{"id":309,"date":"2026-01-13T00:18:49","date_gmt":"2026-01-12T16:18:49","guid":{"rendered":"http:\/\/liulifengblog.com\/?p=309"},"modified":"2026-01-18T21:04:02","modified_gmt":"2026-01-18T13:04:02","slug":"lanqiaob","status":"publish","type":"post","link":"http:\/\/liulifengblog.com\/index.php\/2026\/01\/13\/lanqiaob\/","title":{"rendered":"\u84dd\u6865\u676f\u5355\u7247\u673a\u5ba2\u89c2\u9898\uff08\u5355\u7247\u673a\u90e8\u5206\uff09"},"content":{"rendered":"\n

\u84dd\u6865\u676f\u5355\u7247\u673a\u5ba2\u89c2\u9898\uff08\u5355\u7247\u673a\u90e8\u5206\uff09@\u67f3\u79bb\u98ce<\/p>\n\n\n\n

\u84dd\u6865\u676f\u5355\u7247\u673a\u5ba2\u89c2\u9898\uff08\u5355\u7247\u673a\u90e8\u5206\uff09@\u67f3\u79bb\u98ce<\/a>\u901a\u4fe1\u534f\u8bae<\/a>\u7406\u8bba<\/a>1-Wire<\/a>IIC\uff08\u53ef\u4ee5\u786c\u4ef6\u4e5f\u53ef\u4ee5\u8f6f\u4ef6\u6a21\u62df\uff09<\/a>SPI\uff08\u53ef\u4ee5\u786c\u4ef6\uff0c\u4e5f\u53ef\u4ee5\u7528\u8f6f\u4ef6\u6a21\u62df\uff09<\/a>UART<\/a>RS232\uff08\u9700\u8981\u4e13\u7528\u82af\u7247\uff09<\/a>RS485\uff08\u5dee\u5206\u4fe1\u53f7\uff09\u5dee\u5206\u4fe1\u53f7\u6297\u5e72\u6270\u80fd\u529b\u5f3a\uff08\u9700\u8981\u4e13\u7528\u82af\u7247\uff09<\/a>RS422\uff08\u5dee\u5206\u4fe1\u53f7\uff09\uff08\u9700\u8981\u4e13\u7528\u82af\u7247\uff09<\/a>CAN\uff08\u5dee\u5206\u4fe1\u53f7\uff09\uff08\u9700\u8981\u4e13\u7528\u82af\u7247\uff09<\/a>USB\uff08\u5dee\u5206\u4fe1\u53f7\uff09\uff08\u9700\u8981\u4e13\u7528\u82af\u7247\uff09<\/a>\u9898\u76ee<\/a>\u5355\u7247\u673a\u5916\u56f4\u7535\u8def<\/a>\u7406\u8bba<\/a>\u5185\u90e8\u7535\u8def<\/a>\u590d\u4f4d<\/a>\u6676\u632f<\/a>\u6309\u952e<\/a>RTC<\/a>\u770b\u95e8\u72d7<\/a>ADC\u3001DAC<\/a>\u6570\u7801\u7ba1<\/a>\u8702\u9e23\u5668<\/a>\u7ee7\u7535\u5668<\/a>EEPROM<\/a>DS18B20<\/a>\u9898\u76ee<\/a>\u5355\u7247\u673a datasheet \u67e5\u770b<\/a>\u5173\u952e\uff1a<\/a>\u9898\u76ee<\/a><\/p>\n\n\n\n

\u901a\u4fe1\u534f\u8bae<\/h2>\n\n\n\n

\u7406\u8bba<\/h3>\n\n\n\n

\u540c\u6b65\u5f02\u6b65\u533a\u522b<\/strong>\uff1a\u6709\u65e0\u65f6\u949f\u7ebf\uff0c\u5f02\u6b65\u901a\u4fe1\u65e0\u65f6\u949f\u7ebf\uff0c\u4f46\u8981\u6ce2\u7279\u7387\u4e00\u81f4 \u4e32\u884c\u5e76\u884c\u533a\u522b<\/strong>\uff1a\u6536\u6216\u53d1\u4e0d\u6b62\u4e00\u4e2a\u4fe1\u9053 \u5355\u5de5\u3001\u534a\u53cc\u5de5\u3001\u5168\u53cc\u5de5\u533a\u522b<\/strong>\uff1a\u53ea\u80fd\u6536\u6216\u53d1\u4e3a\u5355\u5de5\u3001\u6536\u53d1\u4e0d\u80fd\u540c\u65f6\u4e3a\u534a\u53cc\u5de5\u3001\u6536\u53d1\u540c\u65f6\u4e3a\u5168\u53cc\u5de5<\/p>\n\n\n\n

\u4e3b\u4ece\u6a21\u5f0f<\/strong>\uff1a\u4e00\u4e3b\u591a\u4ece\u3001\u591a\u4e3b\u591a\u4ece\u3002\u5176\u4e2dUART\u548c232\u975e\u4e3b\u4ece\u6a21\u5f0f\uff0cIIC\uff08\u4e5f\u652f\u6301\u591a\u4e3b\u591a\u4ece\uff09\u30011-Wire\u3001SPI\u3001485\u5747\u4e3a\u4e00\u4e3b\u591a\u4ece\uff0c\u4ece\u673a\u4e0d\u80fd\u4e3b\u52a8\u7ed9\u4e3b\u673a\u53d1\u6570\u636e\u3002CAN\u5c5e\u4e8e\u591a\u4e3b\u591a\u4ece\u3002<\/p>\n\n\n\n

\u6ce2\u7279\u7387<\/strong> \uff1a\u6ce2\u7279\u7387\u662f\u6307\u6bcf\u79d2\u949f\u4f20\u8f93\u7684\u6bd4\u7279\u6570<\/p>\n\n\n\n

1-Wire<\/h4>\n\n\n\n
\"image-20250406173431486\"\/<\/div><\/figure>\n\n\n\n

\u63a5\u7ebf\uff1aDQ\u3001VCC\u3001GND\uff08\u7535\u6e90\u53ef\u4ee5\u4e0d\u63a5\uff0c\u901a\u8fc7 DQ \u4e0a\u62c9\u7535\u963b\u4f9b\u7535\uff0c\u4f46\u9700\u914d\u7f6e\u4e3a\u5bc4\u751f\u7535\u6e90\u6a21\u5f0f\uff0c\u4ec5\u9650\u5355\u8bbe\u5907\uff09 \u200b \u7535\u5e73\uff1aTTL \u200b \u901a\u4fe1\u65b9\u5f0f\uff1a\u5f02\u6b65\u4e32\u884c\u534a\u53cc\u5de5\u901a\u4fe1\uff08\u53cc\u5411\uff09 \u200b \u901a\u4fe1\u901f\u7387\uff1a\u4e00\u822c\u4e3a 16.3Kbit\/s\uff0c\u6700\u5927\u53ef\u8fbe 142 Kbit\/s\uff0c\u901a\u5e38\u60c5\u51b5\u4e0b\u91c7\u7528 100Kbit\/s \u4ee5\u4e0b\u7684\u901f\u7387\u4f20\u8f93\u6570\u636e<\/p>\n\n\n\n

\u4f20\u8f93\u8ddd\u79bb\uff1a\u4e00\u822c\u662f\u7535\u8def\u677f\u5185\u90e8<\/p>\n\n\n\n

\u652f\u6301\u4e00\u5bf9\u591a\uff0c\u901a\u8fc7\u8bbe\u5907\u5730\u5740\u533a\u5206\uff08\u53d7\u9650\u4e8e\u4f9b\u7535\u548c\u901f\u7387\uff0c\u4e00\u822c\u4e0d\u8d85\u8fc7 10-15 \u4e2a\uff09<\/p>\n\n\n\n

IIC\uff08\u53ef\u4ee5\u786c\u4ef6\u4e5f\u53ef\u4ee5\u8f6f\u4ef6\u6a21\u62df\uff09<\/h4>\n\n\n\n
\"image-20250406170739289\"\/<\/div><\/figure>\n\n\n\n

\u63a5\u7ebf\uff1aSDA\u3001SCL\u3001VCC\u3001GND \u200b \u7535\u5e73\uff1aTTL \u200b \u901a\u4fe1\u65b9\u5f0f\uff1a\u540c\u6b65\u4e32\u884c\u534a\u53cc\u5de5\u901a\u4fe1\uff08\u53cc\u5411\uff09 \u200b \u901a\u4fe1\u901f\u7387\uff1aS\uff08\u6807\u51c6\u6a21\u5f0f\uff09\u6d4b\u91cf\u4e0e\u63a7\u5236\u573a\u5408\uff0c100kb\/s F\uff08\u5feb\u901f\u6a21\u5f0f\uff09\uff0c\u901f\u7387\u4e3a 400kb\/s Hs\uff08\u9ad8\u901f\u6a21\u5f0f\uff09\uff0c\u901f\u7387\u4e3a 3.4Mb\/s\u3002\uff08\u5177\u4f53\u770b\u5668\u4ef6\u8981\u6c42\uff0c\u5355\u7247\u673a\u4e00\u822c\u662f 400k \u6216\u4ee5\u4e0b\u5e38\u7528\u3002IIC \u534f\u8bae\u662f\u6709\u89c4\u5b9a\u7684\uff0c\u5176\u603b\u7ebf\u7684\u5bb9\u6027\u8d1f\u8f7d\u8981\u6c42\uff0c\u76ee\u524d\u6700\u9ad8\u7684 1M \u5de6\u53f3\u3002\u666e\u901a\u7684\u82af\u7247\u53ea\u6709 \u4f4e\u901f 100K \u4e0e \u9ad8\u901f 400K \u4e24\u79cd\u89c4\u683c\uff09<\/p>\n\n\n\n

\u4f20\u8f93\u8ddd\u79bb\uff1a\u4e00\u822c\u662f\u7535\u8def\u677f\u5185\u90e8<\/p>\n\n\n\n

\u652f\u6301\u4e00\u5bf9\u591a\uff0c\u5f00\u6f0f\u8f93\u51fa\uff0c\u901a\u8fc7\u8bbe\u5907\u5730\u5740\u533a\u5206\uff08\u4e00\u822c\u4f7f\u7528 7 \u4f4d\u5730\u5740\u6a21\u5f0f\u548c 10 \u4f4d\u5730\u5740\uff0c7 \u4f4d\u6700\u591a\u6302 127 \u4e2a\uff0c10 \u4f4d\u6700\u591a\u6302 1024\uff0c\u6839\u636e\u4e0d\u540c\u8bbe\u5907\u5b9a\uff09<\/p>\n\n\n\n

\u534f\u8bae\uff08\u53ef\u4ee5\u770b PCF8591 \u624b\u518c\uff09<\/p>\n\n\n\n

\"image-20250406170907541\"\/<\/div><\/figure>\n\n\n\n
\"image-20250406170957619\"\/<\/div><\/figure>\n\n\n\n
\"image-20250406171140253\"\/<\/div><\/figure>\n\n\n\n

SPI\uff08\u53ef\u4ee5\u786c\u4ef6\uff0c\u4e5f\u53ef\u4ee5\u7528\u8f6f\u4ef6\u6a21\u62df\uff09<\/h4>\n\n\n\n

\u7ed3\u6784<\/strong><\/p>\n\n\n\n

\"image-20250406175046914\"\/<\/div><\/figure>\n\n\n\n

\u6bcf\u4e2a\u65f6\u949f\u5468\u671f\u5185\uff0c\u4e3b\u4ece\u8bbe\u5907\u901a\u8fc7 MOSI \u548c MISO \u540c\u65f6\u4ea4\u6362 1 \u4f4d\u6570\u636e<\/strong>\uff0c\u5f62\u6210\u73af\u5f62\u79fb\u4f4d\u5bc4\u5b58\u5668\u7ed3\u6784\u3002\u4f8b\u5982\uff0c\u4e3b\u673a\u53d1\u9001\u5b57\u8282 0xA3<\/code>\uff08\u4e8c\u8fdb\u5236 10100011<\/code>\uff09\u65f6\uff0c\u4ece\u673a\u53ef\u540c\u65f6\u8fd4\u56de\u53e6\u4e00\u5b57\u8282 0x46<\/code>\uff0801000110<\/code>\uff09\u3002<\/p>\n\n\n\n

\u63a5\u7ebf<\/strong><\/p>\n\n\n\n

\"image-20250406172025103\"\/<\/div><\/figure>\n\n\n\n

\u7279\u70b9<\/strong><\/p>\n\n\n\n

\u63a5\u7ebf\uff1aCS\uff08\u7247\u9009\uff09\u3001SCK\u3001MOSI\u3001MISO\u3001GND \u200b \u7535\u5e73\uff1aTTL \u200b \u901a\u4fe1\u65b9\u5f0f\uff1a\u540c\u6b65\u4e32\u884c\u5168\u53cc\u5de5\u901a\u4fe1\uff08\u5355\u5411\uff09 \u200b \u901a\u4fe1\u901f\u7387\uff1a\u7531 Motorola \u5f00\u53d1\uff0c\u5e76\u6ca1\u6709\u4e00\u4e2a\u5b98\u65b9\u6807\u51c6\u3002\u5df2\u77e5\u7684\u6709\u7684\u5668\u4ef6 SPI \u5df2\u8fbe\u5230 50Mbps\u3002\u5177\u4f53\u5230\u4ea7\u54c1\u4e2d SPI \u7684\u901f\u7387\u4e3b\u8981\u770b\u4e3b\u4ece\u5668\u4ef6 SPI \u63a7\u5236\u5668\u7684\u6027\u80fd\u9650\u5236<\/p>\n\n\n\n

\u4f20\u8f93\u8ddd\u79bb\uff1a\u4e00\u822c\u662f\u7535\u8def\u677f\u5185\u90e8<\/p>\n\n\n\n

\u652f\u6301\u4e00\u5bf9\u591a\uff0c\u901a\u8fc7\u7247\u9009\u4fe1\u53f7\u9009\u62e9\uff08\u6700\u5927\u8fde\u63a5\u6570\u91cf\u53d7\u9650\u4e8e\u7247\u9009\u4fe1\u53f7\uff09<\/p>\n\n\n\n

\u534f\u8bae<\/strong><\/p>\n\n\n\n

\"image-20250408201957268\"\/<\/div><\/figure>\n\n\n\n

UART<\/h4>\n\n\n\n
\"image-20250406172542921\"\/<\/div><\/figure>\n\n\n\n

\u63a5\u7ebf\uff1aTXD\u3001RXD\u3001VCC\u3001GND \u200b \u7535\u5e73\uff1aTTL \u200b \u901a\u4fe1\u65b9\u5f0f\uff1a\u5f02\u6b65\u4e32\u884c\u5168\u53cc\u5de5\u901a\u4fe1\uff08\u5355\u5411\uff09 \u200b \u901a\u4fe1\u901f\u7387\uff1a\u6700\u5927 10Mbps<\/p>\n\n\n\n

\u4f20\u8f93\u8ddd\u79bb\uff1a\u4e00\u822c\u662f\u7535\u8def\u677f\u5185\u90e8<\/p>\n\n\n\n

\u4e00\u5bf9\u4e00<\/p>\n\n\n\n

\u534f\u8bae\uff1a<\/p>\n\n\n\n

\"image-20250406172502648\"\/<\/div><\/figure>\n\n\n\n

RS232\uff08\u9700\u8981\u4e13\u7528\u82af\u7247\uff09<\/h4>\n\n\n\n
\"image-20250406172718352\"\/<\/div><\/figure>\n\n\n\n

\u63a5\u7ebf\uff1aTXD\u3001RXD\u3001GND \u200b \u7535\u5e73\uff08\u8d1f\u903b\u8f91\uff09\uff1a1\uff1a-15V \u5230-3V 0\uff1a+3V \u5230+15V\uff08\u9ad8\u7535\u538b\u662f\u65e9\u671f\u4e3a\u4e86\u957f\u8ddd\u79bb\u51cf\u5c11\u8870\u51cf\uff0c\u4ee5\u53ca\u6291\u5236\u5e72\u6270\uff09 \u200b \u4f20\u8f93\u8ddd\u79bb\uff1a\u6700\u5927 15m\uff08\u6613\u53d7\u5e72\u6270\uff09\uff0c\u9002\u5408\u77ed\u8ddd\u79bb\u8bbe\u5907\u901a\u4fe1 \u200b \u901a\u4fe1\u65b9\u5f0f\uff1a\u5f02\u6b65\u4e32\u884c\u5168\u53cc\u5de5\u901a\u4fe1\uff08\u5355\u5411\uff09 \u200b \u901a\u4fe1\u901f\u7387\uff1a115.2kbps<\/p>\n\n\n\n

\u4f7f\u7528\u7535\u8377\u6cf5\u7684\u65b9\u5f0f\u5347\u538b<\/p>\n\n\n\n

\u534f\u8bae\uff1aUART\uff0c\u4e00\u5bf9\u4e00<\/p>\n\n\n\n

RS485\uff08\u5dee\u5206\u4fe1\u53f7\uff09\u5dee\u5206\u4fe1\u53f7\u6297\u5e72\u6270\u80fd\u529b\u5f3a\uff08\u9700\u8981\u4e13\u7528\u82af\u7247\uff09<\/h4>\n\n\n\n
\"image-20250406170512848\"\/<\/div><\/figure>\n\n\n\n

\u5339\u914d\u7535\u963b\uff1a120\u03a9<\/p>\n\n\n\n

\u63a5\u7ebf\uff1a\u53ea\u9700\u8981 A\u3001B \u4e24\u6839\u7ebf\uff0c\u6709\u6b63\u8d1f\u533a\u522b \u200b \u7535\u5e73\uff08\u6b63\u903b\u8f91\uff09\uff1a\u903b\u8f91 1<\/strong>\uff1aA \u7ebf\u7535\u538b\u9ad8\u4e8e B \u7ebf\uff08+2V ~ +6V\uff09\u903b\u8f91 0<\/strong>\uff1aB \u7ebf\u7535\u538b\u9ad8\u4e8e A \u7ebf\uff08-2V ~ -6V\uff09 \u200b \u4f20\u8f93\u8ddd\u79bb\uff1a10km \u200b \u901a\u4fe1\u65b9\u5f0f\uff1a\u5f02\u6b65\u4e32\u884c\u534a\u53cc\u5de5\u901a\u4fe1 \u200b \u901a\u4fe1\u901f\u7387\uff1a\u77ed\u8ddd\u79bb(10m)\uff1a10Mbps\uff0c\u4e2d\u8ddd\u79bb(100m)\uff1a1Mbps, \u957f\u8ddd\u79bb(1200m)\uff1a100kbps<\/p>\n\n\n\n

\u5e94\u7528\uff1a\u6c7d\u8f66\u7535\u5b50\u3001\u5de5\u4e1a\u8bbe\u5907<\/p>\n\n\n\n

\u652f\u6301\u4e00\u5bf9\u591a\u901a\u4fe1\uff1a\u901a\u8fc7\u786c\u4ef6\u63a5\u7ebf\u5e76\u8054\uff0c\u8f6f\u4ef6\u901a\u8fc7\u5730\u5740\u533a\u5206\uff08\u7406\u8bba\u6700\u5927 256 \u4e2a\uff0c\u5b9e\u9645\u53d7\u9650\u4e8e\u82af\u7247\u9a71\u52a8\u80fd\u529b\uff0c\u8ddd\u79bb\uff09<\/p>\n\n\n\n

RS422\uff08\u5dee\u5206\u4fe1\u53f7\uff09\uff08\u9700\u8981\u4e13\u7528\u82af\u7247\uff09<\/h4>\n\n\n\n

\u63a5\u7ebf\uff1aTX+\u3001TX-\u3001RX+\u3001RX- \u200b \u7535\u5e73\uff08\u6b63\u903b\u8f91\uff09\uff1a\u903b\u8f91 1<\/strong>\uff1aA \u7ebf\u7535\u538b\u9ad8\u4e8e B \u7ebf\uff08+2V ~ +6V\uff09\u903b\u8f91 0<\/strong>\uff1aB \u7ebf\u7535\u538b\u9ad8\u4e8e A \u7ebf\uff08-2V ~ -6V\uff09 \u200b \u901a\u4fe1\u65b9\u5f0f\uff1a\u5f02\u6b65\u4e32\u884c\u5168\u53cc\u5de5\u901a\u4fe1 \u200b \u901a\u4fe1\u901f\u7387\uff1a\u77ed\u8ddd\u79bb(10m)\uff1a10Mbps\uff0c\u4e2d\u8ddd\u79bb(100m)\uff1a1Mbps, \u957f\u8ddd\u79bb(1200m)\uff1a100kbps<\/p>\n\n\n\n

\u5e94\u7528\uff1a\u6c7d\u8f66\u7535\u5b50\u3001\u5de5\u4e1a\u8bbe\u5907<\/p>\n\n\n\n

\u652f\u6301\u4e00\u5bf9\u591a\u901a\u4fe1\uff1a\u901a\u8fc7\u786c\u4ef6\u63a5\u7ebf\u5e76\u8054\uff0c\u8f6f\u4ef6\u901a\u8fc7\u5730\u5740\u533a\u5206(\u6700\u591a\u63a5 10 \u4e2a\u8282\u70b9)<\/p>\n\n\n\n

CAN\uff08\u5dee\u5206\u4fe1\u53f7\uff09\uff08\u9700\u8981\u4e13\u7528\u82af\u7247\uff09<\/h4>\n\n\n\n
\"image-20250406180538335\"\/<\/div><\/figure>\n\n\n\n

\u5339\u914d\u7535\u963b\uff1a120\u03a9<\/p>\n\n\n\n

\u63a5\u7ebf\uff1aCAN+\u3001CAN- \u200b \u7535\u5e73\uff1a\u9690\u6027\u7535\u5e73\uff08\u903b\u8f91 1\uff0c\u7535\u538b\u5dee\u63a5\u8fd1 0V\uff09\u548c\u663e\u6027\u7535\u5e73\uff08\u903b\u8f91 0\uff0c\u7535\u538b\u5dee \u22652V\uff09 \u200b \u901a\u4fe1\u65b9\u5f0f\uff1a\u5f02\u6b65\u4e32\u884c\u534a\u53cc\u5de5\u901a\u4fe1 \u200b \u901a\u4fe1\u901f\u7387\uff1a\u652f\u6301 1Mbps\uff0840 \u7c73\uff09\u81f3 5kbps\uff0810 \u516c\u91cc\uff09\u7684\u901f\u7387\uff0c\u901a\u8fc7\u964d\u4f4e\u901f\u7387\u5ef6\u957f\u4f20\u8f93\u8ddd\u79bb<\/p>\n\n\n\n

\u5e94\u7528\uff1a\u6c7d\u8f66\u7535\u5b50\u3001\u5de5\u4e1a\u8bbe\u5907<\/p>\n\n\n\n

\u652f\u6301\u4e00\u5bf9\u591a\u901a\u4fe1\uff1a\u901a\u8fc7\u786c\u4ef6\u63a5\u7ebf\u5e76\u8054\uff0c\u8f6f\u4ef6\u901a\u8fc7\u5730\u5740\u533a\u5206\uff08\u6700\u591a 110 \u4e2a\u8282\u70b9\uff0c\u53d7\u62a5\u6587\u6807\u8bc6\u7b26\u548c\u603b\u7ebf\u8d1f\u8f7d\u7387\u9650\u5236\uff09<\/p>\n\n\n\n

USB\uff08\u5dee\u5206\u4fe1\u53f7\uff09\uff08\u9700\u8981\u4e13\u7528\u82af\u7247\uff09<\/h4>\n\n\n\n

\u63a5\u7ebf\uff1aD+\u3001D-\u3001GND\uff08\u53c2\u8003\u5730\uff0c\u4e0d\u53ef\u53bb\uff09 \u200b \u7535\u5e73\uff1a<\/p>\n\n\n\n

\"image-20250406183722189\"\/<\/div><\/figure>\n\n\n\n

\u901a\u4fe1\u65b9\u5f0f\uff1a\u5f02\u6b65\u4e32\u884c\u5168\u53cc\u5de5\u901a\u4fe1 \u200b \u901a\u4fe1\u901f\u7387\uff1a<\/p>\n\n\n\n

\"image-20250406183327757\"\/<\/div><\/figure>\n\n\n\n

1 \u5bf9\u591a\u9700\u8981\u4f7f\u7528 HUB \u82af\u7247<\/p>\n\n\n\n

\u9898\u76ee<\/h3>\n\n\n\n

\uff081\uff09\u7b2c\u5341\u516d\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406021450635\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aABCD<\/p>\n\n\n\n

\u89e3\u6790\uff1a<\/p>\n\n\n\n

\"image-20250406163527592\"\/<\/div><\/figure>\n\n\n\n

\uff082\uff09\u7b2c\u5341\u4e94\u5c4a\u56fd\u8d5b<\/p>\n\n\n\n

\"image-20250405205649571\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aABCD<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u540c\u6b65\u5f02\u6b65\u533a\u522b<\/strong>\uff1a\u6709\u65e0\u65f6\u949f\u7ebf\uff0c\u5f02\u6b65\u901a\u4fe1\u65e0\u65f6\u949f\u7ebf\uff0c\u4f46\u8981\u6ce2\u7279\u7387\u4e00\u81f4 \u4e32\u884c\u5e76\u884c\u533a\u522b<\/strong>\uff1a\u6536\u6216\u53d1\u4e0d\u6b62\u4e00\u4e2a\u4fe1\u9053 \u5355\u5de5\u3001\u534a\u53cc\u5de5\u3001\u5168\u53cc\u5de5\u533a\u522b<\/strong>\uff1a\u53ea\u80fd\u6536\u6216\u53d1\u4e3a\u5355\u5de5\u3001\u6536\u53d1\u4e0d\u80fd\u540c\u65f6\u4e3a\u534a\u53cc\u5de5\u3001\u6536\u53d1\u540c\u65f6\u4e3a\u5168\u53cc\u5de5<\/p>\n\n\n\n

\uff083\uff09\u7b2c\u5341\u4e94\u5c4a\u7701\u8d5b\u7b2c\u4e8c\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n\n\n\n

\u7b54\u6848\uff1aD<\/p>\n\n\n\n

\u89e3\u6790\uff1a120\u03a9 \u4e3a\u7ec8\u7aef\u5339\u914d\u7535\u963b\uff0c\u51cf\u5c0f\u4fe1\u53f7\u53cd\u5c04<\/p>\n\n\n\n

\uff084\uff09\u7b2c\u5341\u4e94\u5c4a\u7701\u8d5b\u7b2c\u4e8c\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n\n\n\n

\u7b54\u6848\uff1aB<\/p>\n\n\n\n

\u89e3\u6790\uff1aIIC\u65e0\u7247\u9009\u4fe1\u53f7\uff0c\u4e0a\u62c9\u7535\u963b\u662f\u56e0\u4e3aIIC\u5f00\u6f0f\u8f93\u51fa<\/p>\n\n\n\n

\uff085\uff09\u7b2c\u5341\u4e94\u5c4a\u7701\u8d5b\u7b2c\u4e00\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aD<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u7247\u9009\u662fSPI \u9009\u62e9\u4ece\u8bbe\u5907\u7684\u4fe1\u53f7<\/p>\n\n\n\n

\uff086\uff09\u7b2c\u5341\u4e94\u5c4a\u7701\u8d5b\u7b2c\u4e00\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aA \u4e00\u822c\u7528\u6ce2\u7279\u7387\u8868\u793a\u901f\u7387\uff0cHZ \u662f\u9891\u7387\uff0cMB \u662f\u5bb9\u91cf<\/p>\n\n\n\n

\uff087\uff09\u7b2c\u5341\u4e94\u5c4a\u6a21\u62df III<\/p>\n\n\n\n

\"image-20250406012208793\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aD<\/p>\n\n\n\n

\u89e3\u6790\uff1aIIC \u4e00\u822c\u662f 7 \u4f4d\u5730\u5740\u6a21\u5f0f<\/p>\n\n\n\n

\uff088\uff09\u7b2c\u5341\u4e94\u5c4a\u6a21\u62df II<\/p>\n\n\n\n

\"image-20250406011639806\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aA<\/p>\n\n\n\n

\u89e3\u6790\uff1aPCF8591\u6570\u636e\u624b\u518cP12<\/p>\n\n\n\n

\"image-20250408202446971\"\/<\/div><\/figure>\n\n\n\n

\uff089\uff09\u7b2c\u5341\u4e94\u5c4a\u6a21\u62df I<\/p>\n\n\n\n

\"image-20250406010759619\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aB<\/p>\n\n\n\n

\u89e3\u6790\uff1a<\/p>\n\n\n\n

9600 \u4f4d\/s \u5f97\u51fa\u5927\u6982 1 \u4f4d 0.1ms,1 \u5b57\u8282\u6570\u636e\u5305\u542b\u8d77\u59cb\u4f4d\u505c\u6b62\u4f4d\u6570\u636e\u4f4d\u662f 10 \u4f4d\uff0c1K \u5dee\u4e0d\u591a\u662f 10000 \u4f4d\uff0c\u6240\u9700\u65f6\u95f4\u4e3a 10000*0.1ms = 1S<\/p>\n\n\n\n

\uff0810\uff09\u7b2c\u5341\u4e94\u5c4a\u6a21\u62df I<\/p>\n\n\n\n

\"image-20250406010937688\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aB<\/p>\n\n\n\n

DS18B20\u3001DHT11 \u4e3a 1-Wire \u63a5\u53e3\uff0cDS1302 \u4e3a SPI \u63a5\u53e3<\/p>\n\n\n\n

\uff0811\uff09\u7b2c\u5341\u4e94\u5c4a\u6a21\u62df I<\/p>\n\n\n\n

\"image-20250406010456791\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aAC\uff0c\u5e38\u89c1\u7684\u4e3a7\u4f4d\u548c10\u4f4d\u5730\u5740\u6a21\u5f0f<\/p>\n\n\n\n

\uff0812\uff09\u7b2c\u5341\u56db\u5c4a\u6a21\u62df(EDA)<\/p>\n\n\n\n

\"image-20250406015629315\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aB\uff0c\u4fe1\u53f7\u7ebf\u4e3aSCL\u3001SDA<\/p>\n\n\n\n

\uff0813\uff09\u7b2c\u5341\u4e09\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aABC \u89e3\u6790\uff1a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n\n\n\n

\uff0814\uff09\u7b2c\u5341\u56db\u5c4a\u56fd\u8d5b<\/p>\n\n\n\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aBCD \u89e3\u6790\uff1a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n\n\n\n

\uff0815\uff09\u7b2c\u5341\u56db\u5c4a \u6a21\u62df<\/p>\n\n\n\n

\"image-20250406013712065\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aABCD<\/p>\n\n\n\n

\uff0816\uff09\u7b2c\u5341\u56db\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406013343520\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848: D<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u5f02\u6b65\u901a\u4fe1\u6ce2\u7279\u7387\u8981\u4e00\u81f4<\/p>\n\n\n\n

\uff0817\uff09\u7b2c\u5341\u56db\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406013419695\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aA<\/p>\n\n\n\n

\"image-20250406013434525\"\/<\/div><\/figure>\n\n\n\n

\uff0818\uff09\u7b2c\u5341\u4e09\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aBC \u89e3\u6790\uff1a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n\n\n\n

\uff0819\uff09\u7b2c\u5341\u4e09\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406021302561\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aB<\/p>\n\n\n\n

\u89e3\u6790\uff1aRXD\u3001TXD\u3001GND<\/p>\n\n\n\n

\uff0820\uff09\u7b2c\u5341\u4e09\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406020025333\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aABC<\/p>\n\n\n\n

\u89e3\u6790\uff1aIIC \u7ed3\u6784\u4e3a SCL\u3001SDA \u5f00\u6f0f\u8f93\u51fa\uff0c\u901a\u8fc7\u4e0a\u62c9\u7535\u963b\u8fde\u63a5\u7535\u6e90<\/p>\n\n\n\n

\uff0821\uff09\u7b2c\u5341\u4e00\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aAC<\/p>\n\n\n\n

\u89e3\u6790\uff1aUART \u548c 1-Wire \u4e3a\u5f02\u6b65\u901a\u4fe1<\/p>\n\n\n\n

\uff0822\uff09\u7b2c\u5341\u4e00\u5c4a\u56fd\u8d5b<\/p>\n\n\n\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aB<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u901a\u8fc7\u5347\u538b\u53ef\u4ee5\u5b9e\u73b0\u66f4\u957f\u7684\u901a\u4fe1\u8ddd\u79bb<\/p>\n\n\n\n

\uff0823\uff09\u7b2c\u5341\u4e00\u5c4a\u7701\u8d5b\u7b2c\u4e8c\u573a<\/p>\n\n\n\n

\"image-20250406002627578\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aA<\/p>\n\n\n\n

\"image-20250406002646552\"\/<\/div><\/figure>\n\n\n\n

\uff0824\uff09\u7b2c \u5341\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aD\uff0c\u6ce2\u7279\u7387\uff1a\u4f4d\/\u79d2<\/p>\n\n\n\n

\uff0825\uff09\u7b2c\u5341\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aB<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u5168\u53cc\u5de5\u662f\u6536\u53d1\u53ef\u4ee5\u540c\u65f6\uff0c\u4e32\u884c\u662f\u53d1\u9001\u548c\u63a5\u53d7\u90fd\u662f\u4e00\u4f4d\u4f4d\u7684<\/p>\n\n\n\n

\uff0826\uff09\u7b2c\u5341\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aAD<\/p>\n\n\n\n

\u89e3\u6790\uff1aRS232 \u4e0d\u662f\u5dee\u5206\uff0cB \u9519 \u5dee\u5206\u901a\u4fe1\u4e0d\u9700\u8981\u63a5\u5730<\/p>\n\n\n\n

\uff0827\uff09\u7b2c\u5341\u4e09\u5c4a\u7701\u8d5b\u7b2c\u4e00\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aAC \u89e3\u6790\uff1a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n\n\n\n

\uff0828\uff09\u7b2c\u5341\u4e09\u5c4a\u7701\u8d5b\u7b2c\u4e00\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aB \u89e3\u6790\uff1a\u5168\u53cc\u5de5\u662f\u6536\u53d1\u53ef\u4ee5\u540c\u65f6\uff0c\u4e32\u884c\u662f\u53d1\u9001\u548c\u63a5\u53d7\u90fd\u662f\u4e00\u4f4d\u4f4d\u7684<\/p>\n\n\n\n

\uff0829\uff09\u7b2c\u5341\u4e8c\u5c4a\u7701\u8d5b\u7b2c\u4e8c\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aB<\/p>\n\n\n\n

\u89e3\u6790\uff1a<\/p>\n\n\n\n

\"image-20250406165343068\"\/<\/div><\/figure>\n\n\n\n

\uff0830\uff09\u7b2c\u5341\u4e8c\u5c4a\u7701\u8d5b\u7b2c\u4e00\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aB<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6ce2\u7279\u7387\uff1a\u4f4d\/\u79d2<\/p>\n\n\n\n

\uff0831\uff09\u7b2c\u5341\u4e00\u5c4a\u7701\u8d5b\u7b2c\u4e00\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aC<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u5168\u53cc\u5de5\u662f\u6536\u53d1\u53ef\u4ee5\u540c\u65f6\uff0c\u4e32\u884c\u662f\u53d1\u9001\u548c\u63a5\u53d7\u90fd\u662f\u4e00\u4f4d\u4f4d\u7684<\/p>\n\n\n\n

\u5355\u7247\u673a\u5916\u56f4\u7535\u8def<\/h2>\n\n\n\n

\u7406\u8bba<\/h3>\n\n\n\n

\u5185\u90e8\u7535\u8def<\/h4>\n\n\n\n
\"image-20250406184811833\"\/<\/div><\/figure>\n\n\n\n

\u4fdd\u62a4\u4e8c\u6781\u7ba1\uff1a\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u6709\u4e24\u4e2a\u4fdd\u62a4\u4e8c\u6781\u7ba1\uff0c\u7528\u4e8e\u4fdd\u62a4\u5185\u90e8\u7535\u8def\uff0c\u9632\u6b62 I\\O \u5f15\u811a\u5916\u90e8\u8fc7\u9ad8\u6216\u8005\u8fc7\u4f4e\u7684\u7535\u538b\u8f93\u5165\u65f6\u9020\u6210\u5185\u90e8\u7535\u8def\u635f\u574f\u3002<\/p>\n\n\n\n

\u5177\u4f53\u6765\u8bb2\uff1a\u5f53\u5f15\u811a\u8f93\u5165\u7535\u538b\u9ad8\u4e8e VDD \u65f6\uff0c\u4e0a\u9762\u7684\u4e8c\u6781\u7ba1\u5bfc\u901a\uff0c\u8f93\u5165\u70b9\u7535\u538b\u88ab\u94b3\u4f4d\u5230\u7ea6 VDD+0.7V\uff1b\u5f53\u5f15\u811a\u8f93\u5165\u7535\u538b\u4f4e\u4e8e VSS \u65f6\uff0c\u4e0b\u9762\u7684\u4e8c\u6781\u7ba1\u5bfc\u901a\uff0c\u8f93\u5165\u70b9\u7535\u538b\u88ab\u94b3\u4f4d\u5230\u7ea6 VSS-0.7V\uff0c\u4ece\u800c\u4f7f\u8f93\u5165\u82af\u7247\u5185\u90e8\u7684\u7535\u538b\u51fa\u4e8e\u6bd4\u8f83\u7a33\u5b9a\u7684\u503c\uff08\u94b3\u4f4d\u4f5c\u7528\uff09\u3002<\/p>\n\n\n\n

\u867d\u7136\u6709\u4e8c\u6781\u7ba1\u7684\u4fdd\u62a4\uff0c\u4f46\u8fd9\u6837\u7684\u4fdd\u62a4\u5f88\u6709\u9650\uff0c\u5927\u7535\u538b\u5927\u7535\u6d41\u7684\u8f93\u5165\u5f88\u5bb9\u6613\u70e7\u574f\u82af\u7247\uff0c\u5728\u5b9e\u9645\u8bbe\u8ba1\u4e2d\u8981\u8003\u8651\u8bbe\u8ba1\u5f15\u811a\u7684\u4fdd\u62a4\u7535\u8def\u3002<\/p>\n\n\n\n

\u590d\u4f4d<\/h4>\n\n\n\n
\"image-20250406184650738\"\/<\/div><\/figure>\n\n\n\n
\"image-20250406191306425\"\/<\/div><\/figure>\n\n\n\n
\"image-20250406191242660\"\/<\/div><\/figure>\n\n\n\n

\u6676\u632f<\/h4>\n\n\n\n
\"image-20250406184557488\"\/<\/div><\/figure>\n\n\n\n

P1.6 \u4e0e P1.7 \u4e3a\u5916\u63a5\u6676\u632f\u5f15\u811a\uff0c\u6676\u632f\u5e76\u8054\u7535\u5bb9\u4e3a\u5339\u914d\u7535\u5bb9<\/p>\n\n\n\n

\"image-20250406184423577\"\/<\/div><\/figure>\n\n\n\n

\u6309\u952e<\/h4>\n\n\n\n
\"image-20250406190050400\"\/<\/div><\/figure>\n\n\n\n

\u6d88\u6296<\/strong>\uff1a\u8f6f\u4ef6\u6d88\u6296\u548c\u786c\u4ef6\u6d88\u6296\uff08\u7535\u5bb9\u3001\u65bd\u5bc6\u7279\u89e6\u53d1\u5668\uff09<\/p>\n\n\n\n

ADC \u6309\u952e<\/p>\n\n\n\n

\"image-20250408203006980\"\/<\/div><\/figure>\n\n\n\n

RTC<\/h4>\n\n\n\n
\"image-20250406160600540\"\/<\/div><\/figure>\n\n\n\n

\u5916\u754c 32.768 \u6676\u632f\uff0c\u4f7f\u7528 SPI \u534f\u8bae<\/p>\n\n\n\n

\u770b\u95e8\u72d7<\/h4>\n\n\n\n

\u9632\u6b62\u7a0b\u5e8f\u6b7b\u673a\uff0c\u5206\u4e3a\u8f6f\u4ef6\u548c\u786c\u4ef6\u4e24\u79cd<\/p>\n\n\n\n

ADC\u3001DAC<\/h4>\n\n\n\n
\"image-20250406190158323\"\/<\/div><\/figure>\n\n\n\n

IIC \u534f\u8bae<\/p>\n\n\n\n

\u6570\u7801\u7ba1<\/h4>\n\n\n\n
\"image-20250406190602722\"\/<\/div><\/figure>\n\n\n\n

\u5229\u7528\u4f59\u6656\u6548\u5e94<\/p>\n\n\n\n

\u8702\u9e23\u5668<\/h4>\n\n\n\n
\"image-20250406190551248\"\/<\/div><\/figure>\n\n\n\n

\u5206\u4e3a\u6709\u6e90\u8702\u9e23\u5668\u548c\u65e0\u6e90\u8702\u9e23\u5668\uff0c\u6709\u6e90\u8702\u9e23\u5668\u5185\u7f6e\u632f\u8361\u5668\uff0c\u63a5\u901a\u7535\u6e90\u5c31\u53ef\u5de5\u4f5c\uff0c\u65e0\u6e90\u8702\u9e23\u5668\u9700\u8981\u63d0\u4f9bPWM\u6ce2\u5f62\u3002\u8702\u9e23\u5668\u548c\u8d85\u58f0\u6ce2\u539f\u7406\u90fd\u662f\u538b\u7535\u6548\u5e94<\/p>\n\n\n\n

\u7ee7\u7535\u5668<\/h4>\n\n\n\n
\"image-20250406190618908\"\/<\/div><\/figure>\n\n\n\n

\u5229\u7528\u7535\u751f\u78c1\u539f\u7406\uff0c\u4e8c\u6781\u7ba1D1\u662f\u7eed\u6d41\u4f5c\u7528\uff08\u7ed9\u65ad\u5f00\u540e\u7684\u7ebf\u5708\uff0c\u9632\u6b62\u4ea7\u751f\u9ad8\u538b\uff09\uff0c<\/p>\n\n\n\n

EEPROM<\/h4>\n\n\n\n
\"image-20250406190339894\"\/<\/div><\/figure>\n\n\n\n

EEPROM(Electrically Erasable Programmable Read-Only Memory): \u7535\u53ef\u64e6\u9664\u53ef\u7f16\u7a0b\u53ea\u8bfb\u5b58\u50a8\u5668\u201d\uff0c\u53ef\u4ee5\u968f\u673a\u8bbf\u95ee\u548c\u4fee\u6539\u4efb\u4f55\u4e00\u4e2a\u5b57\u8282\uff0c\u53ef\u4ee5\u5f80\u6bcf\u4e2a bit \u4e2d\u5199\u5165 0 \u6216\u8005 1\u3002\u8fd9\u662f\u6700\u4f20\u7edf\u7684\u4e00\u79cd EEPROM\uff0c\u6389\u7535\u540e\u6570\u636e\u4e0d\u4e22\u5931\uff0c\u53ef\u4ee5\u4fdd\u5b58 100 \u5e74\uff0c\u53ef\u4ee5\u64e6\u5199 100w \u6b21\u3002\u5177\u6709\u8f83\u9ad8\u7684\u53ef\u9760\u6027\uff0c\u4f46\u662f\u7535\u8def\u590d\u6742\u3001\u6210\u672c\u4e5f\u9ad8\u3002\u56e0\u6b64\u76ee\u524d\u7684 EEPROM \u90fd\u662f\u51e0\u5341\u5343\u5b57\u8282\u5230\u51e0\u767e\u5343\u5b57\u8282\u7684\uff0c\u7edd\u5c11\u6709\u8d85\u8fc7 512K \u7684<\/p>\n\n\n\n

DS18B20<\/h4>\n\n\n\n
\"image-20250406190724462\"\/<\/div><\/figure>\n\n\n\n

\u6570\u5b57\u4f20\u611f\u5668<\/p>\n\n\n\n

\u9898\u76ee<\/h3>\n\n\n\n

\uff081\uff09\u7b2c\u5341\u4e94\u5c4a\u7701\u8d5b\u7b2c\u4e00\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aABC\uff08ADC\u4e2d\u5305\u542bDAC\uff0cPWM\u53c8\u53ef\u4ee5\u7528\u4e8eDAC\uff0c\u5176\u5b9ePWM\u4e5f\u80fd\u5e94\u7528\u4e8eAD\uff0c\u8fd9\u91cc\u7b54\u6848\u5b98\u65b9\u662fABC)<\/p>\n\n\n\n

\uff082\uff09\u7b2c\u5341\u4e94\u5c4a\u6a21\u62df II<\/p>\n\n\n\n

\"image-20250406011305200\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aC<\/p>\n\n\n\n

\u89e3\u6790\uff1a<\/p>\n\n\n\n

\"image-20250406235636592\"\/<\/div><\/figure>\n\n\n\n

\uff083\uff09\u5341\u56db\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406014718581\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aCD<\/p>\n\n\n\n

\u89e3\u6790\uff1aDS18B20\u3001DHT11\u662f\u6570\u5b57\u4f20\u611f\u5668\uff0c\u8bb0\u4f4f\u80fd\u7528ADC\u8bfb\u53d6\u7684\u624d\u662f\u6a21\u62df\u4f20\u611f\u5668\uff0c\u9700\u8981\u901a\u4fe1\u7684\u90fd\u662f\u6570\u5b57\u4f20\u611f\u5668<\/p>\n\n\n\n

\uff084\uff09\u7b2c\u5341\u4e09\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aABD \u89e3\u6790\uff1a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n\n\n\n

\uff085\uff09\u7b2c\u5341\u56db\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aC \u89e3\u6790\uff1a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n\n\n\n

\uff086\uff09\u7b2c\u5341\u4e8c\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aA<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u4f4e\u901a\u6ee4\u6ce2\u5668,\u4f1a\u964d\u4f4e\u4fe1\u53f7\u5e45\u503c\uff0c\u63d0\u9ad8\u4e0a\u9650\u622a\u6b62\u9891\u7387\u5c31\u884c\uff0cfH = 1\/2\u03c0RC\uff0c\u6240\u4ee5\u8981\u51cf\u5c0fR\u6216\u8005C<\/p>\n\n\n\n

\uff087\uff09\u7b2c\u516b\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aC<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6e29\u5ea6\u6548\u5e94\u7528\u4e8e\u6d4b\u6e29\uff0c\u970d\u5c14\u6548\u5e94\u7528\u4e8e\u6d4b\u78c1\u573a\uff0c\u6a2a\u5411\u6548\u5e94\u5e94\u7528\u4e8e\u58f0\u97f3\u4f20\u611f\u5668<\/p>\n\n\n\n

\uff088\uff09\u7b2c\u5341\u4e09\u5c4a\u7701\u8d5b\u7b2c\u4e00\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aD \u89e3\u6790\uff1a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n\n\n\n

\uff089\uff09\u7b2c\u5341\u4e00\u5c4a\u7701\u8d5b\u7b2c\u4e00\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aBD<\/p>\n\n\n\n

\u89e3\u6790\uff1aIAP15F2K60S2 \u5355\u7247\u673a\u7535\u538b\u4e3a 5V\uff0c\u548c 3.3V \u5916\u8bbe\u901a\u4fe1\u9700\u8981\u7535\u5e73\u8f6c\u6362\u3002\u901a\u5e38\u53ef\u4ee5\u4f7f\u7528\u7535\u963b\uff0c\u4e8c\u6781\u7ba1\uff0c\u4e09\u6781\u7ba1\uff0cMOS \u7ba1\u505a\u7535\u5e73\u8f6c\u6362\uff0c\u4e13\u7528\u7535\u5e73\u8f6c\u6362\u82af\u7247<\/p>\n\n\n\n

\u6570\u636e\u624b\u518c P327<\/p>\n\n\n\n

\"image-20250406161004855\"\/<\/div><\/figure>\n\n\n\n

\uff0810\uff09\u7b2c\u4e5d\u5c4a\u7701\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aB<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u5171\u9634\u8bf4\u660e\u9ad8\u7535\u5e73\u70b9\u4eae\uff0cF \u5bf9\u5e94 0111 0001 = 0x71<\/p>\n\n\n\n

\u5355\u7247\u673a datasheet \u67e5\u770b<\/h2>\n\n\n\n

\u5173\u952e\uff1a<\/h3>\n\n\n\n

1\u3001\u8981\u5bf9\u6574\u4f53\u7ed3\u6784\u6709\u4e2a\u4e86\u89e3\uff0c\u5c3d\u91cf\u4ece\u95ee\u9898\u6240\u5728\u7ae0\u8282\u5f00\u59cb\u641c\u7d22\uff0c\u6548\u7387\u4f1a\u9ad8\u5f88\u591a<\/p>\n\n\n\n

\"image-20250408204917411\"\/<\/div><\/figure>\n\n\n\n

2\u3001\u5173\u952e\u8bcd\u8981\u7cbe\u51c6\u800c\u975e\u5168<\/p>\n\n\n\n

3\u3001\u5e38\u8003\u7684\u8981\u6709\u4e2a\u5927\u6982\u4e86\u89e3\uff0c\u67e5\u4e0d\u5230\u7684\u8981\u8bb0\u5fc6<\/p>\n\n\n\n

4\u3001\u4e0d\u80fd 100%\u786e\u5b9a\u7684\u8981\u67e5\u624b\u518c<\/p>\n\n\n\n

5\u3001\u8981\u5b66\u4f1a\u4e3e\u4e00\u53cd\u4e09<\/p>\n\n\n\n

\u9898\u76ee<\/h3>\n\n\n\n

\uff081\uff09\u7b2c\u5341\u516d\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406023019053\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aC<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P24<\/p>\n\n\n\n

\"image-20250406101458263\"\/<\/div><\/figure>\n\n\n\n

\uff082\uff09\u7b2c\u5341\u516d\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406022703481\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aA \u53ea\u6709 A \u63a7\u5236 TCON \u6700\u4f4e\u4f4d\uff0c\u6545 A \u6b63\u786e<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P440<\/p>\n\n\n\n

\"image-20250406102133636\"\/<\/div><\/figure>\n\n\n\n

\uff083\uff09\u7b2c\u5341\u516d\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406022351323\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aC \u65f6\u63a7\u5236\u5668 BIT7<\/p>\n\n\n\n

\u89e3\u6790\uff1ads1302 \u6570\u636e\u624b\u518c P9<\/p>\n\n\n\n

\"image-20250406102347001\"\/<\/div><\/figure>\n\n\n\n

\uff084\uff09\u7b2c\u5341\u516d\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406022231118\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aAD<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P35\uff1a8051 \u662f\u516b\u4f4d\u7684\u5355\u7247\u673a\u662f\u5e38\u8bc6 A \u6b63\u786e FLASH\uff1a60K B \u9519\uff0c\u5de5\u4f5c\u7535\u538b\u8303\u56f4\uff1a3.8V-5.5V C \u9519<\/p>\n\n\n\n

\"image-20250406102923128\"\/<\/div><\/figure>\n\n\n\n

\u6570\u636e\u624b\u518c\u9996\u9875\uff1aD \u6b63\u786e<\/p>\n\n\n\n

\"image-20250406103302807\"\/<\/div><\/figure>\n\n\n\n

\uff085\uff09\u7b2c\u5341\u516d\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406022027501\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aAD<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P309 P4M1 = 0x55 = 0101 0101 P4M0 = 0xAA = 1010 1010<\/p>\n\n\n\n

P40 : \u9ad8\u963b\u8f93\u5165 P41\uff1a\u63a8\u633d\u8f93\u51fa P42 \uff1a\u5f00\u6f0f P43\uff1a\u63a8\u633d P44 \u9ad8\u963b\u8f93\u5165 P45\uff1a\u63a8\u633d P46\uff1a\u9ad8\u963b\u8f93\u5165 P47\uff1a\u63a8\u633d\u8f93\u51fa<\/p>\n\n\n\n

\"image-20250406155514782\"\/<\/div><\/figure>\n\n\n\n

\uff086\uff09\u7b2c\u5341\u516d\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406021930635\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aB<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u5b58\u50a8\u662f\u5b58\u50a8\u5668\uff08RAM \u3001ROM \u3001\u5bc4\u5b58\u5668\uff09\uff0c\u8f93\u5165\u8f93\u51fa\u63a7\u5236\u662f IO\uff0c\u7b97\u672f\u8fd0\u7b97\u662f\u7279\u6b8a\u529f\u80fd\u5bc4\u5b58\u5668\u53c2\u4e0e<\/p>\n\n\n\n

\uff087\uff09\u7b2c\u5341\u516d\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406021906885\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aB<\/p>\n\n\n\n

\u89e3\u6790\uff1aPWM \u53ef\u4ee5\u7528\u6765\u63a7\u5236\u6a21\u62df\u7535\u538b\u8f93\u51fa\uff08DCDC \u7535\u6e90\u3001PWM \u7535\u673a\u3001\u8c03\u5149\uff09\u3001\u7ea2\u5916\u3001\u8d85\u58f0\u6ce2\u8c03\u5236<\/p>\n\n\n\n

\uff088\uff09\u7b2c\u5341\u516d\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406021837481\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aB<\/p>\n\n\n\n

\u89e3\u6790\uff1a51 \u5355\u7247\u673a\u57fa\u7840\u6570\u636e\u4f4d\u6570\u662f 8 \u4f4d<\/p>\n\n\n\n

\uff089\uff09\u7b2c\u5341\u516d\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406021553567\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aABCD<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P439<\/p>\n\n\n\n

\"image-20250406111342507\"\/<\/div><\/figure>\n\n\n\n

\uff0810\uff09\u7b2c\u5341\u516d\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406021529322\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aAB<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P2 \uff1a\u4f4e\u529f\u8017\u6a21\u5f0f\u5206\u522b\u4e3a\u4f4e\u901f\u6a21\u5f0f\u3001\u7a7a\u95f2\u6a21\u5f0f\u3001\u6389\u7535\u6a21\u5f0f<\/p>\n\n\n\n

\"image-20250406111853394\"\/<\/div><\/figure>\n\n\n\n

\uff0811\uff09\u7b2c\u5341\u4e94\u5c4a\u56fd\u8d5b<\/p>\n\n\n\n

\"image-20250405205156843\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aBC<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P2 \u770b\u51fa\u6709 SPI\u3001\u4e32\u53e3 ADC BC \u6b63\u786e<\/p>\n\n\n\n

\"image-20250407000132003\"\/<\/div><\/figure>\n\n\n\n

\u6570\u636e\u624b\u518c P12 \u53ef\u4ee5\u770b\u51fa STC15 \u5e76\u6ca1\u6709 IIC\uff0c\u9700\u8981\u8f6f\u4ef6\u6a21\u62df \u6545 A \u9519<\/p>\n\n\n\n

\"image-20250406112904525\"\/<\/div><\/figure>\n\n\n\n

\u6570\u636e\u624b\u518c P831 \u53ef\u4ee5\u770b\u51fa\u662f PWM \u7ecf\u8fc7\u4f4e\u901a\u6ee4\u6ce2\u5668\u540e \u624d\u80fd\u8f93\u51fa DAC\uff0c\u82af\u7247\u672c\u8eab\u4e0d\u5177\u5907\uff0c\u6545 D \u9519<\/p>\n\n\n\n

\"image-20250406113044627\"\/<\/div><\/figure>\n\n\n\n

\uff0812\uff09\u7b2c\u5341\u4e94\u5c4a\u7701\u8d5b\u7b2c\u4e8c\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aABD<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P747 \u6545 A \u6b63\u786e<\/p>\n\n\n\n

\"image-20250406113519230\"\/<\/div><\/figure>\n\n\n\n

\u6570\u636e\u624b\u518c P748 \u6545 B \u6b63\u786e C \u9519\u8bef<\/p>\n\n\n\n

\"image-20250406113627388\"\/<\/div><\/figure>\n\n\n\n

\u6570\u636e\u624b\u518c P749 \u6545 D \u6b63\u786e<\/p>\n\n\n\n

\"image-20250406113741954\"\/<\/div><\/figure>\n\n\n\n

\uff0813\uff09\u7b2c\u5341\u4e94\u5c4a\u7701\u8d5b\u7b2c\u4e00\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aACD<\/p>\n\n\n\n

\u89e3\u6790\uff1a<\/p>\n\n\n\n

\u6570\u636e\u624b\u518c P206 A \u6b63\u786e B \u9519\u8bef<\/p>\n\n\n\n

\"image-20250406114024817\"\/<\/div><\/figure>\n\n\n\n

\u6570\u636e\u624b\u518c P2 CD \u6b63\u786e<\/p>\n\n\n\n

\"image-20250406111853394\"\/<\/div><\/figure>\n\n\n\n

\uff0814\uff09\u7b2c\u5341\u4e94\u5c4a\u7701\u8d5b\u7b2c\u4e00\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aABCD<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u4e2d\u65ad\u670d\u52a1\u51fd\u6570\u4e2d\u4e0d\u80fd\u6267\u884c\u65f6\u95f4\u8f83\u957f\u7684\u64cd\u4f5c\uff0c\u4f1a\u5bfc\u81f4\u4e2d\u65ad\u5361\u6b7b<\/p>\n\n\n\n

\uff0815\uff09\u7b2c\u5341\u4e94\u5c4a\u7701\u8d5b\u7b2c\u4e00\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aD<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u5806\u6808\u7684\u6700\u7ec8\u5206\u914d\u662f \u786c\u4ef6\u8d44\u6e90\u3001\u5f00\u53d1\u73af\u5883\u914d\u7f6e\u3001\u7a0b\u5e8f\u903b\u8f91\u548c\u5f00\u53d1\u8005\u4f18\u5316<\/strong> \u5171\u540c\u4f5c\u7528\u7684\u7ed3\u679c<\/p>\n\n\n\n

\u786c\u4ef6\u6307\u7684\u662f RAM\uff0c\u548c FLASH \u65e0\u5173 C \u9519\u8bef<\/p>\n\n\n\n

\uff0816\uff09\u7b2c\u5341\u4e94\u5c4a\u6a21\u62df III<\/p>\n\n\n\n

\"image-20250406012236335\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aA\u3001B<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P606 AB \u6b63\u786e CD \u9519\u8bef<\/p>\n\n\n\n

\"image-20250406104528535\"\/<\/div><\/figure>\n\n\n\n
\"image-20250406104653243\"\/<\/div><\/figure>\n\n\n\n

\uff0817\uff09\u7b2c\u5341\u4e94\u5c4a\u6a21\u62df III<\/p>\n\n\n\n

\"image-20250406012101442\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aC<\/p>\n\n\n\n

\u89e3\u6790\uff1aBCD \u7801\u662f 8421 \u7801<\/p>\n\n\n\n

\uff0818\uff09\u7b2c\u5341\u4e94\u5c4a\u6a21\u62df III<\/p>\n\n\n\n

\"image-20250406012019603\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aC<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P312 C \u6b63\u786e<\/p>\n\n\n\n

\"image-20250406115650096\"\/<\/div><\/figure>\n\n\n\n

\uff0819\uff09\u7b2c\u5341\u4e94\u5c4a\u6a21\u62df III<\/p>\n\n\n\n

\"image-20250406011913407\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aB<\/p>\n\n\n\n

\u89e3\u6790\uff1aAT24C02 \u6570\u636e\u624b\u518c P11<\/p>\n\n\n\n

\"image-20250406115921713\"\/<\/div><\/figure>\n\n\n\n

\uff0820\uff09\u7b2c\u5341\u4e94\u5c4a\u6a21\u62df II<\/p>\n\n\n\n

\"image-20250406011728715\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aA\u3001B<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P39<\/p>\n\n\n\n

\"image-20250406120046846\"\/<\/div><\/figure>\n\n\n\n

\uff0821\uff09\u7b2c\u5341\u4e94\u5c4a\u6a21\u62df II<\/p>\n\n\n\n

\"image-20250406011703067\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aAB<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P301<\/p>\n\n\n\n

\"image-20250406155208810\"\/<\/div><\/figure>\n\n\n\n

\uff0822\uff09\u7b2c\u5341\u4e94\u5c4a\u6a21\u62df II<\/p>\n\n\n\n

\"image-20250406011521097\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aD(\u5b58\u7591)\uff0c\u5b98\u65b9\u662f D\uff0c\u4f46\u5e94\u8be5\u662f B<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P285<\/p>\n\n\n\n

\"image-20250407000441485\"\/<\/div><\/figure>\n\n\n\n

\uff0823\uff09\u7b2c\u5341\u4e94\u5c4a\u6a21\u62df II<\/p>\n\n\n\n

\"image-20250406011338995\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aA<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P457<\/p>\n\n\n\n

\"image-20250406154223791\"\/<\/div><\/figure>\n\n\n\n

\u6570\u636e\u624b\u518c P26<\/p>\n\n\n\n

\"image-20250406154601374\"\/<\/div><\/figure>\n\n\n\n

\uff0824\uff09\u7b2c\u5341\u4e94\u5c4a\u6a21\u62df I<\/p>\n\n\n\n

\"image-20250406011023486\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aA<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P39<\/p>\n\n\n\n

\"image-20250406120046846\"\/<\/div><\/figure>\n\n\n\n

\uff0825\uff09\u7b2c\u5341\u4e94\u5c4a\u6a21\u62df I<\/p>\n\n\n\n

\"image-20250406010555676\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aAD<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P487<\/p>\n\n\n\n

\"image-20250407000538991\"\/<\/div><\/figure>\n\n\n\n

\uff0826\uff09\u7b2c\u5341\u56db\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aABD \u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P238 \"image-20250406120955994\"<\/p>\n\n\n\n

\uff0827\uff09\u7b2c\u5341\u56db\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406015011968\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aC<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P244 \u5c06\u6700\u4f4e\u4f4d\u7f6e 1<\/p>\n\n\n\n

\"image-20250406153923702\"\/<\/div><\/figure>\n\n\n\n

\uff0828\uff09\u7b2c\u5341\u56db\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406014941624\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aBC<\/p>\n\n\n\n

\u6570\u636e\u624b\u518c P485<\/p>\n\n\n\n

\"image-20250406153722380\"\/<\/div><\/figure>\n\n\n\n

\uff0829\uff09\u7b2c\u5341\u56db\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406014632536\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aACD<\/p>\n\n\n\n

\u539f\u7406\u56fe<\/p>\n\n\n\n

\"image-20250406153635454\"\/<\/div><\/figure>\n\n\n\n

\uff0830\uff09\u7b2c\u5341\u56db\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406014523474\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aC<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P445<\/p>\n\n\n\n

\"image-20250406153543438\"\/<\/div><\/figure>\n\n\n\n

\uff0831\uff09\u7b2c\u5341\u56db\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406014139990\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aAC<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P748<\/p>\n\n\n\n

\"image-20250406144543809\"\/<\/div><\/figure>\n\n\n\n

\uff0832\uff09\u7b2c\u5341\u56db\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406013509505\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aA<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P231<\/p>\n\n\n\n

\"image-20250406144356179\"\/<\/div><\/figure>\n\n\n\n

\uff0833\uff09\u7b2c\u5341\u56db\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406013532725\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aD<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P34<\/p>\n\n\n\n

\"image-20250406144230991\"\/<\/div><\/figure>\n\n\n\n

\uff0834\uff09\u7b2c\u5341\u56db\u5c4a\u6a21\u62df\uff1a<\/p>\n\n\n\n

\"image-20250406013617946\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aC<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P538<\/p>\n\n\n\n

\"image-20250406144130887\"\/<\/div><\/figure>\n\n\n\n

\uff0835\uff09\u7b2c\u5341\u56db\u5c4a\u6a21\u62df\uff1a<\/p>\n\n\n\n

\"image-20250406013206657\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aC<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P445<\/p>\n\n\n\n

\"image-20250406143948002\"\/<\/div><\/figure>\n\n\n\n

\uff0836\uff09\u7b2c\u5341\u56db\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406013241169\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aD<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P442<\/p>\n\n\n\n

\"image-20250406143800591\"\/<\/div><\/figure>\n\n\n\n

\uff0837\uff09\u7b2c\u5341\u4e09\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aAC \u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P307 \"image-20250406143632297\"<\/p>\n\n\n\n

\uff0838\uff09\u7b2c\u5341\u4e09\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406020708998\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848 A<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P309<\/p>\n\n\n\n

\"image-20250406143542453\"\/<\/div><\/figure>\n\n\n\n

\uff0839\uff09\u7b2c\u5341\u4e09\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406020254468\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aD<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P493<\/p>\n\n\n\n

\"image-20250406143446654\"\/<\/div><\/figure>\n\n\n\n

\uff0840\uff09\u7b2c\u5341\u4e09\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406020326586\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aA<\/p>\n\n\n\n

\u89e3\u6790<\/p>\n\n\n\n

\u6570\u636e\u624b\u518c P449<\/p>\n\n\n\n

\"image-20250406143335336\"\/<\/div><\/figure>\n\n\n\n

\uff0841\uff09\u7b2c\u5341\u4e09\u5c4a\u6a21\u62df<\/p>\n\n\n\n

\"image-20250406020349154\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aAC<\/p>\n\n\n\n

\u6570\u636e\u624b\u518c P448<\/p>\n\n\n\n

\"image-20250406143157622\"\/<\/div><\/figure>\n\n\n\n

\u6570\u636e\u624b\u518c P449<\/p>\n\n\n\n

\"image-20250406143301018\"\/<\/div><\/figure>\n\n\n\n

\uff0842\uff09\u7b2c\u5341\u4e8c\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1a236 120<\/p>\n\n\n\n

\u89e3\u6790\uff1a<\/p>\n\n\n\n

\u6570\u636e\u624b\u518cP493<\/p>\n\n\n\n

$$
\u521d\u503c = 65536 – \\frac{\u5b9a\u65f6\u65f6\u95f4\\cdot \u7cfb\u7edf\u65f6\u949f}{\u5206\u9891\u7cfb\u6570\\cdot 10^6}=65536 – \\frac{10000\\cdot 6}{12}=65536-5000=60536
$$<\/p>\n\n\n\n

TH1 = 60536 \/ 256 = 236 TL1 = 60536%256 = 120<\/p>\n\n\n\n

\"image-20250408210648591\"\/<\/div><\/figure>\n\n\n\n

\uff0843\uff09\u7b2c\u5341\u4e8c\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1axdata 65535<\/p>\n\n\n\n

\u89e3\u6790: \u6570\u636e\u624b\u518c P287<\/p>\n\n\n\n

\"image-20250406153310688\"\/<\/div><\/figure>\n\n\n\n

\uff0844\uff09\u7b2c\u5341\u4e8c\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aB<\/p>\n\n\n\n

\u89e3\u6790\uff1a<\/p>\n\n\n\n

\u6570\u636e\u624b\u518c P453<\/p>\n\n\n\n

\"image-20250406141432606\"\/<\/div><\/figure>\n\n\n\n

\uff0845\uff09\u7b2c\u5341\u4e8c\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aACD<\/p>\n\n\n\n

\u89e3\u6790\uff1aDS18B20 \u6570\u636e\u624b\u518c P1<\/p>\n\n\n\n

\"image-20250406153127324\"\/<\/div><\/figure>\n\n\n\n\n\n\n\n

\uff0846\uff09\u7b2c\u5341\u4e8c\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aBD<\/p>\n\n\n\n

\u6570\u636e\u624b\u518c P2 \u5de5\u4f5c\u7535\u538b 3.8V-5.5V<\/p>\n\n\n\n

\"image-20250406141804954\"\/<\/div><\/figure>\n\n\n\n

\u6570\u636e\u624b\u518c P309<\/p>\n\n\n\n

\"image-20250406141541263\"\/<\/div><\/figure>\n\n\n\n

\u6570\u636e\u624b\u518c P831<\/p>\n\n\n\n

\"image-20250406141618860\"\/<\/div><\/figure>\n\n\n\n

\u6570\u636e\u624b\u518c P39<\/p>\n\n\n\n

\"image-20250406141725332\"\/<\/div><\/figure>\n\n\n\n

\uff0847\uff09\u7b2c\u5341\u4e00\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aA<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P306<\/p>\n\n\n\n

\"image-20250406141911908\"\/<\/div><\/figure>\n\n\n\n

\uff0848\uff09\u7b2c\u5341\u4e00\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aBC<\/p>\n\n\n\n

\u89e3\u6790\uff1a<\/p>\n\n\n\n

\u6570\u636e\u624b\u518c P41 P0 \u4f5c\u4e3a\u5730\u5740\u6570\u636e\u590d\u7528\u65f6\u9700\u8981\u4e0a\u62c9\uff0c\u53ef\u4ee5\u6709\u8f6f\u4ef6\u8fdb\u884c\u914d\u7f6e\uff0c\u4f20\u7edf 51 \u5355\u7247\u673a\u9700\u8981<\/p>\n\n\n\n

\"image-20250406142844003\"\/<\/div><\/figure>\n\n\n\n

\u6570\u636e\u624b\u518c P206 \u6240\u4ee5 BC \u9519\u8bef<\/p>\n\n\n\n

\"image-20250406142134064\"\/<\/div><\/figure>\n\n\n\n

\u6570\u636e\u624b\u518c P24<\/p>\n\n\n\n

\uff0849\uff09\u7b2c\u5341\u4e00\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aABD<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u4e0b\u8f7d\u7684\u7a0b\u5e8f\u662f hex \u6587\u4ef6\uff0c\u4e0d\u9700\u8981 keil \u4e5f\u53ef\u4ee5 \u6545 C \u9519\u8bef<\/p>\n\n\n\n

\uff0850\uff09\u7b2c\u5341\u4e00\u5c4a\u7701\u8d5b\u7b2c\u4e8c\u573a<\/p>\n\n\n\n

\"image-20250406002205847\"\/<\/div><\/figure>\n\n\n\n

\u7b54\u6848\uff1aD<\/p>\n\n\n\n

\u89e3\u6790\uff1a<\/p>\n\n\n\n

\u6570\u636e\u624b\u518c P306<\/p>\n\n\n\n

\"image-20250406140416707\"\/<\/div><\/figure>\n\n\n\n

\u6570\u636e\u624b\u518c P359<\/p>\n\n\n\n

\"image-20250406141030063\"\/<\/div><\/figure>\n\n\n\n

\uff0851\uff09\u7b2c\u5341\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aA<\/p>\n\n\n\n

\u89e3\u6790: \u6570\u636e\u624b\u518c P306<\/p>\n\n\n\n

\"image-20250406140346224\"\/<\/div><\/figure>\n\n\n\n

\uff0852\uff09\u7b2c\u5341\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aB<\/p>\n\n\n\n

\u89e3\u6790\uff1a<\/p>\n\n\n\n

\u6570\u636e\u624b\u518c P309<\/p>\n\n\n\n

\"image-20250406135837740\"\/<\/div><\/figure>\n\n\n\n

\u6570\u636e\u624b\u518c P23<\/p>\n\n\n\n

\"image-20250406135743837\"\/<\/div><\/figure>\n\n\n\n

\u6570\u636e\u624b\u518c P447<\/p>\n\n\n\n

\"image-20250406140012647\"\/<\/div><\/figure>\n\n\n\n

\u6570\u636e\u624b\u518c P456<\/p>\n\n\n\n

\"image-20250406140137295\"\/<\/div><\/figure>\n\n\n\n

\u6570\u636e\u624b\u518c P457<\/p>\n\n\n\n

\"image-20250406140249424\"\/<\/div><\/figure>\n\n\n\n

\uff0853\uff09\u7b2c\u4e5d\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1a2 2<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P606<\/p>\n\n\n\n

\"image-20250406135533089\"\/<\/div><\/figure>\n\n\n\n

\u6570\u636e\u624b\u518c P612<\/p>\n\n\n\n

\"image-20250406132154353\"\/<\/div><\/figure>\n\n\n\n

\uff0854\uff09\u7b2c\u4e5d\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aB<\/p>\n\n\n\n

\u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P306<\/p>\n\n\n\n

\"image-20250406135251464\"\/<\/div><\/figure>\n\n\n\n
\"image-20250406135158427\"\/<\/div><\/figure>\n\n\n\n
\"image-20250406135419193\"\/<\/div><\/figure>\n\n\n\n

\uff0855\uff09\u7b2c\u4e5d\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aAB<\/p>\n\n\n\n

\u89e3\u6790\uff1a<\/p>\n\n\n\n

\u6570\u636e\u624b\u518c P286 \u6545 A \u9519\u8bef<\/p>\n\n\n\n

\"image-20250406134855766\"\/<\/div><\/figure>\n\n\n\n

\u5355\u7247\u673a\u6267\u884c\u7684\u662f\u673a\u5668\u8bed\u8a00\u4e8c\u8fdb\u5236 \u6545 B \u9519\u8bef<\/p>\n\n\n\n

\u5bfb\u5740\u80fd\u529b\u901a\u5e38\u6307\u7684\u662f\u5355\u7247\u673a\u80fd\u591f\u8bbf\u95ee\u7684\u5185\u5b58\u5730\u5740\u8303\u56f4\uff0c\u4e5f\u5c31\u662f\u53ef\u4ee5\u5bfb\u5740\u7684\u5b58\u50a8\u7a7a\u95f4\u5927\u5c0f\uff0cC \u6b63\u786e<\/p>\n\n\n\n

\u5355\u7247\u673a\u7684\u5730\u5740\u603b\u7ebf\u4f4d\u6570\u76f4\u63a5\u51b3\u5b9a\u5176\u7406\u8bba\u6700\u5927\u5bfb\u5740\u8303\u56f4\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n

    \n
  • 8 \u4f4d\u5730\u5740\u603b\u7ebf\uff08\u5982\u90e8\u5206 51 \u5355\u7247\u673a\uff09\u53ef\u5bfb\u5740\u7a7a\u95f4\u4e3a 28 = 256 \u5b57\u8282\u3002<\/li>\n\n\n\n
  • 16 \u4f4d\u5730\u5740\u603b\u7ebf\uff08\u5982\u589e\u5f3a\u578b 51 \u5355\u7247\u673a\uff09\u53ef\u5bfb\u5740 216 = 64KB\u3002<\/li>\n\n\n\n
  • 32 \u4f4d\u5730\u5740\u603b\u7ebf\uff08\u5982 STM32\uff09\u7406\u8bba\u5bfb\u5740\u7a7a\u95f4\u8fbe 4GB\u3002<\/li>\n<\/ul>\n\n\n\n

    \u5916\u90e8 RAM \u8bbf\u95ee\u901f\u5ea6\u4f4e\u4e8e\u5185\u90e8 RAM D \u6b63\u786e<\/p>\n\n\n\n

    \uff0856\uff09\u7b2c\u516b\u5c4a\u56fd\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aD<\/p>\n\n\n\n

    \u89e3\u6790\uff1a<\/p>\n\n\n\n

    \u6570\u636e\u624b\u518c P441<\/p>\n\n\n\n

    \"image-20250406133630913\"\/<\/div><\/figure>\n\n\n\n

    \u6570\u636e\u624b\u518c P440<\/p>\n\n\n\n

    \"image-20250406133720841\"\/<\/div><\/figure>\n\n\n\n

    \u6570\u636e\u624b\u518c P445<\/p>\n\n\n\n

    \"image-20250406133833493\"\/<\/div><\/figure>\n\n\n\n

    \u6570\u636e\u624b\u518c P447<\/p>\n\n\n\n

    \"image-20250406134013253\"\/<\/div><\/figure>\n\n\n\n

    \uff0857\uff09\u7b2c\u5341\u56db\u5c4a\u7701\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aD \u89e3\u6790\uff1a8 \u4f4d\u7cbe\u5ea6\u5bf9\u5e94 256 \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n\n\n\n

    \uff0858\uff09\u7b2c\u5341\u56db\u5c4a\u7701\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aB \u89e3\u6790\uff1aJTAG \u548c SWD \u662f ARM \u7cfb\u5217\u5355\u7247\u673a\u8c03\u8bd5\u63a5\u53e3<\/p>\n\n\n\n

    \u6570\u636e\u624b\u518c P39<\/p>\n\n\n\n

    \"image-20250406120046846\"\/<\/div><\/figure>\n\n\n\n

    \uff0859\uff09\u7b2c\u5341\u56db\u5c4a\u7701\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aABD \u89e3\u6790\uff1a<\/p>\n\n\n\n

    \u6570\u636e\u624b\u518c P309<\/p>\n\n\n\n

    \"image-20250406133000944\"\/<\/div><\/figure>\n\n\n\n

    \u6570\u636e\u624b\u518c P312<\/p>\n\n\n\n

    \"image-20250406152911026\"\/<\/div><\/figure>\n\n\n\n

    \u6570\u636e\u624b\u518c P301<\/p>\n\n\n\n

    \"image-20250406132818599\"\/<\/div><\/figure>\n\n\n\n

    \u6570\u636e\u624b\u518c P442<\/p>\n\n\n\n

    \"image-20250408205328079\"\/<\/div><\/figure>\n\n\n\n

    \uff0860\uff09\u7b2c\u5341\u4e09\u5c4a\u7701\u8d5b\u7b2c\u4e8c\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aAC \u89e3\u6790\uff1a<\/p>\n\n\n\n

    \u6570\u636e\u624b\u518c P301<\/p>\n\n\n\n

    \"image-20250406132621026\"\/<\/div><\/figure>\n\n\n\n

    \uff0861\uff09\u7b2c\u5341\u4e09\u5c4a\u7701\u8d5b\u7b2c\u4e8c\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aABC \u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P207 \"image-20250406132411088\"<\/p>\n\n\n\n

    \uff0862\uff09\u7b2c\u5341\u4e09\u5c4a\u7701\u8d5b\u7b2c\u4e00\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aBC \u89e3\u6790\uff1a<\/p>\n\n\n\n

    \u6570\u636e\u624b\u518c P612<\/p>\n\n\n\n

    \"image-20250406132154353\"\/<\/div><\/figure>\n\n\n\n

    \uff0863\uff09\u7b2c\u5341\u4e09\u5c4a\u7701\u8d5b\u7b2c\u4e00\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aABC \u89e3\u6790\uff1a<\/p>\n\n\n\n

    \u6570\u636e\u624b\u518c P309<\/p>\n\n\n\n

    \"image-20250408205413958\"\/<\/div><\/figure>\n\n\n\n

    \u6570\u636e\u624b\u518c P351<\/p>\n\n\n\n

    \"image-20250406131945443\"\/<\/div><\/figure>\n\n\n\n

    \u6570\u636e\u624b\u518c P231<\/p>\n\n\n\n

    \"image-20250406131908747\"\/<\/div><\/figure>\n\n\n\n

    \u6570\u636e\u624b\u518c P746<\/p>\n\n\n\n

    \"image-20250406132007136\"\/<\/div><\/figure>\n\n\n\n

    \u6570\u636e\u624b\u518c P831<\/p>\n\n\n\n

    \"image-20250406132049460\"\/<\/div><\/figure>\n\n\n\n

    \uff0864\uff09\u7b2c\u5341\u4e8c\u5c4a\u7701\u8d5b\u7b2c\u4e8c\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1a<\/p>\n\n\n\n

    \u89e3\u6790\uff1a<\/p>\n\n\n\n

    \u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P309<\/p>\n\n\n\n

    \"image-20250408205452258\"\/<\/div><\/figure>\n\n\n\n

    \uff0865\uff09\u7b2c\u5341\u4e8c\u5c4a\u7701\u8d5b\u7b2c\u4e8c\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aB<\/p>\n\n\n\n

    \u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P2<\/p>\n\n\n\n

    \"image-20250406131513788\"\/<\/div><\/figure>\n\n\n\n
    \"image-20250406131537634\"\/<\/div><\/figure>\n\n\n\n

    \u6570\u636e\u624b\u518c P831 \u53ef\u4ee5\u770b\u51fa\u662f PWM \u7ecf\u8fc7\u4f4e\u901a\u6ee4\u6ce2\u5668\u540e \u624d\u80fd\u8f93\u51fa DAC\uff0c\u82af\u7247\u672c\u8eab\u4e0d\u5177\u5907\uff0c\u6545 D \u9519<\/p>\n\n\n\n

    \"image-20250406113044627\"\/<\/div><\/figure>\n\n\n\n

    \uff0866\uff09\u7b2c\u5341\u4e8c\u5c4a\u7701\u8d5b\u7b2c\u4e8c\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aABD<\/p>\n\n\n\n

    \u6570\u636e\u624b\u518c P234<\/p>\n\n\n\n

    \"image-20250406130921560\"\/<\/div><\/figure>\n\n\n\n

    \u6570\u636e\u624b\u518c P231<\/p>\n\n\n\n

    \"image-20250406131006061\"\/<\/div><\/figure>\n\n\n\n
    \"image-20250406131054116\"\/<\/div><\/figure>\n\n\n\n

    \uff0867\uff09\u7b2c\u5341\u4e8c\u5c4a\u7701\u8d5b\u7b2c\u4e00\u573a<\/p>\n\n\n\n

    \u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P448<\/p>\n\n\n\n

    \"image-20250406130326069\"\/<\/div><\/figure>\n\n\n\n

    \uff0868\uff09\u7b2c\u5341\u4e8c\u5c4a\u7701\u8d5b\u7b2c\u4e00\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aAC<\/p>\n\n\n\n

    \u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P24 A \u6b63\u786e<\/p>\n\n\n\n

    \"image-20250406152701448\"\/<\/div><\/figure>\n\n\n\n

    \u6570\u636e\u624b\u518c P438 \u9664\u5916\u90e8\u4e2d\u65ad 2\u30013\u30014\uff0c\u5b9a\u65f6\u5668\u4e2d\u65ad 2 \u5916\u5747\u6709 2 \u4e2a\u4e2d\u65ad\u4f18\u5148\u7ea7\uff0c\u6545 B \u9519<\/p>\n\n\n\n

    \"image-20250406104004957\"\/<\/div><\/figure>\n\n\n\n

    \u6570\u636e\u624b\u518c P606 C \u6b63\u786e<\/p>\n\n\n\n

    \"image-20250406104528535\"\/<\/div><\/figure>\n\n\n\n
    \"image-20250406104653243\"\/<\/div><\/figure>\n\n\n\n

    \u6570\u636e\u624b\u518c P23<\/p>\n\n\n\n

    \"image-20250406152557338\"\/<\/div><\/figure>\n\n\n\n

    \u6570\u636e\u624b\u518c P 23 \u6700\u9ad8\u4e3b\u9891\u53ef\u4ee5\u5230 28-35MHZ D \u9519<\/p>\n\n\n\n

    \"image-20250408205529497\"\/<\/div><\/figure>\n\n\n\n

    \uff0869\uff09\u7b2c\u5341\u4e8c\u5c4a\u7701\u8d5b\u7b2c\u4e00\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aD<\/p>\n\n\n\n

    \u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P747 ADRJ \u4e3a 0 \u65f6 ADC \u5bc4\u5b58\u5668\u4e3a 11000011\uff0c\u5bf9\u5e94\u5341\u8fdb\u5236 195\uff0cADC \u7ed3\u679c\u8ba1\u7b97<\/p>\n\n\n\n

    $$
    V_{in} = \\frac {195\\cdot {5V} }{1024} = 0.95V
    $$<\/p>\n\n\n\n

    \"image-20250406124840983\"\/<\/div><\/figure>\n\n\n\n
    \"image-20250406124707900\"\/<\/div><\/figure>\n\n\n\n

    \uff0870\uff09\u7b2c\u5341\u4e00\u5c4a\u7701\u8d5b\u7b2c\u4e00\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aD<\/p>\n\n\n\n

    \u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P301 \u53ea\u6709 B8 \u5728\u53ef\u4f4d\u5bfb\u5740\u533a<\/p>\n\n\n\n

    \"image-20250406124410843\"\/<\/div><\/figure>\n\n\n\n

    \uff0871\uff09\u7b2c\u5341\u4e00\u5c4a\u7701\u8d5b\u7b2c\u4e00\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aB<\/p>\n\n\n\n

    \u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P485<\/p>\n\n\n\n

    \"image-20250406123942364\"\/<\/div><\/figure>\n\n\n\n

    \uff0872\uff09\u7b2c\u5341\u4e00\u5c4a\u7701\u8d5b\u7b2c\u4e00\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aABCD<\/p>\n\n\n\n

    \u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P231<\/p>\n\n\n\n

    \"image-20250406123643328\"\/<\/div><\/figure>\n\n\n\n

    RST \u5f15\u811a\u590d\u4f4d\u5c31\u662f\u52a0\u4e00\u5b9a\u5bbd\u5ea6\u590d\u4f4d\u8109\u51b2<\/p>\n\n\n\n

    \"image-20250406123821367\"\/<\/div><\/figure>\n\n\n\n

    \u8f6f\u4ef6\u590d\u4f4d\u5c31\u662f\u8bbe\u7f6e\u7279\u6b8a\u529f\u80fd\u5bc4\u5b58\u5668<\/p>\n\n\n\n

    \"image-20250406123737928\"\/<\/div><\/figure>\n\n\n\n

    \uff0873\uff09\u7b2c\u5341\u5c4a\u7701\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aC<\/p>\n\n\n\n

    \u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P41<\/p>\n\n\n\n

    \"image-20250408130910511\"\/<\/div><\/figure>\n\n\n\n

    \uff0874\uff09\u7b2c\u5341\u5c4a\u7701\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aB<\/p>\n\n\n\n

    \u89e3\u6790\uff1a<\/p>\n\n\n\n

    \u6570\u636e\u624b\u518c P483<\/p>\n\n\n\n

    \"image-20250406152254540\"\/<\/div><\/figure>\n\n\n\n

    \uff0875\uff09\u7b2c\u5341\u5c4a\u7701\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aBD<\/p>\n\n\n\n

    \u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P484 \u56fe\u4e2d\u65e0SCON\u3001PCON \u6545BD\u9519\u8bef<\/p>\n\n\n\n

    \"image-20250406152052725\"\/<\/div><\/figure>\n\n\n\n

    \uff0876\uff09\u7b2c\u5341\u5c4a\u7701\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aABD<\/p>\n\n\n\n

    \u89e3\u6790\uff1a<\/p>\n\n\n\n

    \u6570\u636e\u624b\u518cP39 \u5f97\u51fa\u901a\u8fc7\u4e32\u53e3\u4e0b\u8f7d\u548c\u4eff\u771f<\/p>\n\n\n\n

    \"image-20250408130005121\"\/<\/div><\/figure>\n\n\n\n

    IO\u548cMM\u6a21\u5f0f\u90fd\u53ef\u4ee5\u64cd\u4f5c\u5916\u8bbe\uff0cB\u6b63\u786e<\/p>\n\n\n\n

    DS1302\u6570\u636e\u624b\u518cP8,\u5199\u6570\u636e\u662f\u65f6\u949f\u4e0a\u5347\u6cbf\u5199\u5165 C\u9519\u8bef<\/p>\n\n\n\n

    \"image-20250408125830770\"\/<\/div><\/figure>\n\n\n\n

    IIC\u4ece\u8bbe\u5907\u4e0d\u4f1a\u4e3b\u52a8\u53d1\u8d77\u901a\u4fe1\uff0c\u5fc5\u987b\u7531\u4e3b\u8bbe\u5907\u901a\u8fc7\u8d77\u59cb\u4fe1\u53f7\uff08START\uff09\u548c\u5730\u5740\u5e27\uff08Address Frame\uff09\u89e6\u53d1\u54cd\u5e94\u3002\u53ea\u6709\u5728\u63a5\u6536\u5230\u5339\u914d\u76847\u4f4d\/10\u4f4d\u8bbe\u5907\u5730\u5740\u540e\uff0c\u624d\u4f1a\u8fdb\u5165\u901a\u4fe1\u72b6\u6001\u3002D\u6b63\u786e<\/p>\n\n\n\n

    \uff0877\uff09\u7b2c\u4e5d\u5c4a\u7701\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aP0 P2 P0<\/p>\n\n\n\n

    \u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P41<\/p>\n\n\n\n

    \"image-20250408205914803\"\/<\/div><\/figure>\n\n\n\n
    \"image-20250408205947500\"\/<\/div><\/figure>\n\n\n\n

    \uff0878\uff09\u7b2c\u4e5d\u5c4a\u7701\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1a\u9ad8 2 \u9ad8<\/p>\n\n\n\n

    \u89e3\u6790\uff1a1 \u4e2a\u673a\u5668\u5468\u671f = 12 \u4e2a\u65f6\u949f\u5468\u671f\uff0c\u6545 24 \u4e2a\u65f6\u949f\u5468\u671f\u662f 2 \u4e2a\u673a\u5668\u5468\u671f\uff08\u8bb0\u5fc6\uff09<\/p>\n\n\n\n

    \"image-20250406151356169\"\/<\/div><\/figure>\n\n\n\n

    \u6570\u636e\u624b\u518c P302 \u67e5\u770b IO \u590d\u4f4d\u90fd\u4e3a\u9ad8\u7535\u5e73<\/p>\n\n\n\n

    \"image-20250406151304558\"\/<\/div><\/figure>\n\n\n\n

    \uff0879\uff09\u7b2c\u4e5d\u5c4a\u7701\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aBD<\/p>\n\n\n\n

    RAM \u548c ROM \u6269\u5c55\u90fd\u662f\u7528 P0 \u548c P2 \u5f53\u5730\u5740\u7ebf\uff0c\u6700\u5927\u5bfb\u5740 2^{16} = 64k \u6545 A \u6b63\u786e<\/p>\n\n\n\n

    \u6570\u636e\u624b\u518c P606 B \u9519\u8bef<\/p>\n\n\n\n

    \"image-20250406150749421\"\/<\/div><\/figure>\n\n\n\n

    \u6309\u952e\u6d88\u6296\u53ef\u4ee5\u7528\u8f6f\u4ef6\uff0c\u4e5f\u53ef\u4ee5\u7528\u786c\u4ef6\uff08\u7535\u5bb9\u3001\u65bd\u5bc6\u7279\u89e6\u53d1\u5668\uff09 C \u6b63\u786e<\/p>\n\n\n\n

    RAM \u4e2d\u7684\u7279\u6b8a\u5bc4\u5b58\u5668\u590d\u4f4d\u540e\u5f88\u591a\u4e0d\u4e3a 0 \uff0c\u6570\u636e\u624b\u518c P302<\/p>\n\n\n\n

    \"image-20250406151304558\"\/<\/div><\/figure>\n\n\n\n

    \u89e3\u6790\uff1a<\/p>\n\n\n\n

    \uff0880\uff09\u7b2c\u516b\u5c4a\u7701\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1a4 65536<\/p>\n\n\n\n

    \u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P483 \u5b9a\u65f6\u56680\u67094\u79cd\u5de5\u4f5c\u6a21\u5f0f<\/p>\n\n\n\n

    \"image-20250406121819890\"\/<\/div><\/figure>\n\n\n\n

    \u6570\u636e\u624b\u518c P494 \u5f97\u51fa 12M \u65f6\u949f\u8f93\u51fa\u6700\u5c0f\u9891\u7387\u4e3a 1MHZ\uff0c\u5f53\u521d\u503c\u4e3a 0 \u65f6\uff0c\u8ba1\u65f6\u6700\u957f\uff0c\u4e3a 65536\\cdot1us = 65536us<\/p>\n\n\n\n

    \"image-20250406122257782\"\/<\/div><\/figure>\n\n\n\n

    \uff0881\uff09\u7b2c\u516b\u5c4a\u7701\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aD<\/p>\n\n\n\n

    \u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P453 \u4f18\u5148\u7ea7\u4ece\u9ad8\u5230\u4f4e\u5206\u522b\u662f\uff1a\u5916\u90e8\u4e2d\u65ad0\u3001\u5b9a\u65f6\u5668\u4e2d\u65ad0\u3001\u5b9a\u65f6\u5668\u4e2d\u65ad1\u3001\u4e32\u53e3\u4e2d\u65ad1<\/p>\n\n\n\n

    \"image-20250406150428313\"\/<\/div><\/figure>\n\n\n\n

    \uff0882\uff09\u7b2c\u516b\u5c4a\u7701\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aD<\/p>\n\n\n\n

    \u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P41<\/p>\n\n\n\n

    \"image-20250406121555474\"\/<\/div><\/figure>\n\n\n\n

    \uff0883\uff09\u7b2c\u516b\u5c4a\u7701\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aA<\/p>\n\n\n\n

    \u89e3\u6790\uff1a\u6d88\u9690\u662f\u8ba9\u6570\u7801\u7ba1\u90fd\u7184\u706d\uff0c\u7ed9 P0 \u8d4b\u503c 0xFF A\u6b63\u786e\uff0c\u7b2c\u56db\u884c\u662f\u4f4d\u9009\uff0c\u7b2c\u4e94\u884c\u65f6\u6bb5\u9009\uff0c\u7b2c\u4e03\u884c\u662f\u79fb\u4f4d<\/p>\n\n\n\n

    \uff0884\uff09\u7b2c\u516b\u5c4a\u7701\u8d5b \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u7b54\u6848\uff1aAD<\/p>\n\n\n\n

    \u89e3\u6790\uff1a\u6570\u636e\u624b\u518c P302<\/p>\n\n\n\n

    P0-P3 \u4e0a\u7535\u590d\u4f4d\u4e3a\u9ad8\u7535\u5e73 A \u9519\u8bef<\/p>\n\n\n\n

    \"image-20250406145232755\"\/<\/div><\/figure>\n\n\n\n

    \u6570\u636e\u624b\u518c\uff1aP831PWM \u63a5\u4f4e\u901a\u6ee4\u6ce2\u5668\u53ef\u4ee5\u8f93\u51fa DA B \u6b63\u786e<\/p>\n\n\n\n

    \"image-20250406145351183\"\/<\/div><\/figure>\n\n\n\n

    \u6570\u636e\u624b\u518c P24 C \u6b63\u786e<\/p>\n\n\n\n

    \"image-20250406145726309\"\/<\/div><\/figure>\n\n\n\n

    \u6570\u636e\u624b\u518c P243 \u5206\u4e3a\u70ed\u542f\u52a8\u548c\u8f6f\u542f\u52a8\u4e24\u79cd D \u9519\u8bef<\/p>\n\n\n\n

    <\/p>\n","protected":false},"excerpt":{"rendered":"

    \u84dd\u6865\u676f\u5355\u7247\u673a\u5ba2\u89c2\u9898\uff08\u5355\u7247\u673a\u90e8\u5206\uff09@\u67f3\u79bb\u98ce \u84dd\u6865\u676f\u5355\u7247\u673a\u5ba2\u89c2\u9898\uff08\u5355\u7247\u673a\u90e8\u5206\uff09@\u67f3\u79bb\u98ce\u901a\u4fe1\u534f\u8bae\u7406\u8bba1-WireII […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-309","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/liulifengblog.com\/index.php\/wp-json\/wp\/v2\/posts\/309","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/liulifengblog.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/liulifengblog.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/liulifengblog.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/liulifengblog.com\/index.php\/wp-json\/wp\/v2\/comments?post=309"}],"version-history":[{"count":4,"href":"http:\/\/liulifengblog.com\/index.php\/wp-json\/wp\/v2\/posts\/309\/revisions"}],"predecessor-version":[{"id":316,"href":"http:\/\/liulifengblog.com\/index.php\/wp-json\/wp\/v2\/posts\/309\/revisions\/316"}],"wp:attachment":[{"href":"http:\/\/liulifengblog.com\/index.php\/wp-json\/wp\/v2\/media?parent=309"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/liulifengblog.com\/index.php\/wp-json\/wp\/v2\/categories?post=309"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/liulifengblog.com\/index.php\/wp-json\/wp\/v2\/tags?post=309"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}