{"id":55257,"date":"2025-08-13T20:05:03","date_gmt":"2025-08-13T12:05:03","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/55257.html"},"modified":"2025-08-13T20:05:03","modified_gmt":"2025-08-13T12:05:03","slug":"51%e5%8d%95%e7%89%87%e6%9c%ba-51%e5%8d%95%e7%89%87%e6%9c%ba%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/55257.html","title":{"rendered":"51\u5355\u7247\u673a-51\u5355\u7247\u673a\u4ecb\u7ecd"},"content":{"rendered":"

51\u5355\u7247\u673a\u4ecb\u7ecd<\/h2>\n

\u5355\u7247\u673a\u7b80\u4ecb<\/h3>\n

\u4ec0\u4e48\u662f\u5355\u7247\u673a\u5462？<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5355\u7247\u673a\u662f\u4e00\u79cd\u96c6\u6210\u7535\u8def\u82af\u7247，\u91c7\u7528\u8d85\u5927\u89c4\u6a21\u96c6\u6210\u7535\u8def\u6280\u672f\u5c06\u4e2d\u592e\u5904\u7406\u5668（CPU）\u3001\u968f\u673a\u5b58\u50a8\u5668（RAM）\u3001\u53ea\u8bfb\u5b58\u50a8\u5668（ROM）\u3001\u591a\u79cdI\/O\u53e3\u3001\u4e2d\u65ad\u7cfb\u7edf\u3001\u5b9a\u65f6\u5668\/\u8ba1\u6570\u5668\u7b49\u529f\u80fd\u96c6\u6210\u5230\u4e00\u5757\u7845\u7247\u4e0a，\u6784\u6210\u4e00\u4e2a\u5c0f\u800c\u5b8c\u5584\u7684\u5fae\u63a7\u5236\u5668MCU\u3002（\u6240\u4ee5\u5b83\u8ddf\u8ba1\u7b97\u673a\u662f\u6709\u975e\u5e38\u591a\u7684\u76f8\u540c\u70b9，\u4f46\u662f\u4e0d\u80fd\u7b49\u540c\u54df）；<\/p>\n

\n

\u5355\u7247\u673a\u6838\u5fc3\u7ec4\u6210\u4e0e\u529f\u80fd<\/h3>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0CPU：\u4f5c\u4e3a\u5355\u7247\u673a\u7684\u63a7\u5236\u4e2d\u5fc3，\u8d1f\u8d23\u6267\u884c\u7a0b\u5e8f\u6307\u4ee4，\u5904\u7406\u6570\u636e\u8fd0\u7b97，\u5e76\u534f\u8c03\u5404\u90e8\u4ef6\u534f\u540c\u5de5\u4f5c\u3002<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5b58\u50a8\u5668：\u5206\u4e3a\u4e24\u79cdROM\u548cRAM；ROM：\u5b58\u50a8\u56fa\u5316\u7a0b\u5e8f，\u5982\u542f\u52a8\u4ee3\u7801\u3001\u56fa\u5b9a\u53c2\u6570\u7b49，\u65ad\u7535\u540e\u6570\u636e\u4e0d\u4e22\u5931\u3002RAM：\u7528\u4e8e\u8fd0\u884c\u65f6\u6570\u636e\u5b58\u50a8，\u5982\u53d8\u91cf\u3001\u4e2d\u95f4\u7ed3\u679c\u7b49，\u65ad\u7535\u540e\u6570\u636e\u4e22\u5931\u3002<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0I\/O\u63a5\u53e3：\u901a\u8fc7\u8f93\u5165\u8f93\u51fa\u7aef\u53e3\u4e0e\u4f20\u611f\u5668\u3001\u6267\u884c\u5668\u7b49\u5916\u90e8\u8bbe\u5907\u4ea4\u4e92，\u5b9e\u73b0\u6570\u636e\u91c7\u96c6\u4e0e\u63a7\u5236\u8f93\u51fa\u3002<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5b9a\u65f6\u5668\/\u8ba1\u6570\u5668：\u5b9e\u73b0\u7cbe\u51c6\u65f6\u95f4\u63a7\u5236，\u5982\u5b9a\u65f6\u4e2d\u65ad\u3001PWM\u8f93\u51fa\u7b49，\u6216\u5bf9\u5916\u90e8\u4e8b\u4ef6\u8fdb\u884c\u8ba1\u6570\u3002<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4e2d\u65ad\u7cfb\u7edf：\u5904\u7406\u7d27\u6025\u4e8b\u4ef6，\u5982\u5916\u90e8\u6309\u952e\u6309\u4e0b\u3001\u5b9a\u65f6\u5668\u6ea2\u51fa\u7b49，\u901a\u8fc7\u4e2d\u65ad\u673a\u5236\u5b9e\u73b0\u5b9e\u65f6\u54cd\u5e94\u3002<\/p>\n

\u5355\u7247\u673a\u8fd8\u6709\u8bb8\u591a\u529f\u80fd\u7ec4\u6210\u8fd9\u91cc\u4e0d\u4e00\u4e00\u89e3\u91ca\u5566！\u5728\u540e\u9762\u7684\u5b66\u4e60\u4e2d\u6211\u4eec\u9010\u6b65\u638c\u63e1（\u5e72\u4e2d\u5b66）！<\/p>\n

\n

51\u5355\u7247\u673a\u7b80\u4ecb<\/h3>\n

\u4ec0\u4e48\u662f51\u5355\u7247\u673a\u5462？<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a051\u5355\u7247\u673a\u662f\u5bf9\u517c\u5bb9\u82f1\u7279\u5c148051\u6307\u4ee4\u96c6\u7cfb\u7edf\u76848\u4f4d\u5355\u7247\u673a\u7684\u7edf\u79f0，\u5176\u6280\u672f\u6e90\u81eaIntel 1980\u5e74\u4ee3\u63a8\u51fa\u76848051\u5185\u6838，\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5bb6\u7535\u63a7\u5236\u3001\u6c7d\u8f66\u7535\u5b50\u3001\u5de5\u4e1a\u6d4b\u63a7\u53ca\u901a\u4fe1\u8bbe\u5907\u9886\u57df\u3002（\u6240\u4ee5\u8bf451\u5355\u7247\u673a\u4e0d\u662f\u4e00\u4e2a\u82af\u7247\u54df，\u800c\u662f\u57fa\u4e8eIntel\u516c\u53f8\u63a8\u51fa\u76848051\u6307\u4ee4\u96c6\u7cfb\u7edf\u76848\u4f4d\u5355\u7247\u673a\u7684\u7edf\u79f0，\u6709\u975e\u5e38\u591a\u7684\u516c\u53f8\u57fa\u4e8eIntel\u516c\u53f8\u63a8\u51fa\u76848051\u6307\u4ee4\u96c6\u7cfb\u7edf\u751f\u4ea7\u7684\u82af\u7247\u5462\u3002\u8fd9\u91cc\u5c0f\u4f19\u4f34\u4eec\u8fd8\u662f\u4e0d\u7406\u89e3\u7684\u8bdd，\u5c31\u7b80\u5355\u7406\u89e3\u4e3a\u5f88\u591a\u516c\u53f8\u7528\u4e86Intel\u516c\u53f8\u63a8\u51fa\u76848051\u6307\u4ee4\u96c6\u8fd9\u4e2a\u6280\u672f\u751f\u4ea7\u51fa\u76848\u4f4d\u5355\u7247\u673a\u5c31\u662f51\u5355\u7247\u673a\u5566！）；<\/p>\n

\n

51\u5355\u7247\u673a\u751f\u4ea7\u516c\u53f8\u751f\u4ea7\u7684\u578b\u53f7<\/h3>\n

Intel：80C31\u300180C51\u300187C51\u300180C32\u300180C52\u300187C52\u7b49\u3002<\/p>\n

Atmel：89C51\u300189C52\u300189C2051\u300189S51（RC）\u300189S52（RC）\u7b49\u3002<\/p>\n

Philips\u3001\u534e\u90a6\u3001Dallas\u3001Siemens\u7b49\u516c\u53f8\u7684\u8bb8\u591a\u4ea7\u54c1\u3002<\/p>\n

STC（\u5b8f\u6676）：STC89C51\u3001STC90C51\u3001STC11\u7cfb\u5217\u3001STC15\u7cfb\u5217\u3001STC8\u7cfb\u5217\u7b49\u3002（\u8fd9\u5bb6\u516c\u53f8\u771f\u7684\u975e\u5e38\u725b\u63b0！\u751f\u4ea7\u768451\u5355\u7247\u673a\u76ee\u524d\u53ef\u4ee5\u8bf4\u662f\u5904\u4e8e\u5784\u65ad\u5730\u4f4d\u3002\u662f\u6211\u4eec\u7684\u56fd\u8d27\u4e4b\u5149！）<\/p>\n

\n

STC89\u7cfb\u521751\u5355\u7247\u673a\u603b\u4f53\u7b80\u4ecb<\/h2>\n

STC89\u7cfb\u521751\u5355\u7247\u673a\u4ecb\u7ecd<\/h3>\n

\"\"<\/p>\n

1.\u00a0\u589e\u5f3a\u578b8051\u5355\u7247\u673a，6\u65f6\u949f\/\u673a\u5668\u5468\u671f\u548c12\u65f6\u949f\/\u673a\u5668\u5468\u671f\u53ef\u4efb\u610f\u9009\u62e9，\u6307\u4ee4\u4ee3\u7801\u5b8c\u5168\u517c\u5bb9\u4f20\u7edf8051<\/p>\n

2.\u5de5\u4f5c\u7535\u538b：5.5V-3.3V(5V\u5355\u7247\u673a)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03.8V-2.0V(3V\u5355\u7247\u673a)；<\/p>\n

3.\u5de5\u4f5c\u9891\u7387\u8303\u56f4:0~40MHz，\u76f8\u5f53\u4e8e\u666e\u901a8051\u7684 0~80MHz，\u5b9e\u9645\u5de5\u4f5c\u9891\u7387\u53ef\u8fbe48MHz；<\/p>\n

4. \u7528\u6237\u5e94\u7528\u7a0b\u5e8f\u7a7a\u95f4:4K\/8K\/13K\/16K\/32K\/64K\u5b57\u8282；<\/p>\n

5. \u7247\u4e0a\u96c6\u62101280\u5b57\u8282\u6216512\u5b57\u8282RAM；<\/p>\n

6.\u00a0\u901a\u7528I0\u53e3(35\/39\u4e2a)，\u590d\u4f4d\u540e\u4e3a:P1\/P2\/P3\/P4\u662f\u51c6\u53cc\u5411\u53e3\/\u5f31\u4e0a\u62c9(\u666e\u901a8051\u4f20\u7edfI0\u53e3);PO\u53e3\u662f\u5f00\u6f0f\u8f93\u51fa，\u4f5c\u4e3a\u603b\u7ebf\u6269\u5c55\u7528\u65f6，\u4e0d\u7528\u52a0\u4e0a\u62c9\u7535\u963b，\u4f5c\u4e3a0\u53e3\u7528\u65f6，\u9700\u52a0\u4e0a\u62c9\u7535\u963b\u3002<\/p>\n

7.ISP(\u5728\u7cfb\u7edf\u53ef\u7f16\u7a0b)\/IAP(\u5728\u5e94\u7528\u53ef\u7f16\u7a0b)，\u65e0\u9700\u4e13\u7528\u7f16\u7a0b\u5668，\u65e0\u9700\u4e13\u7528\u4eff\u771f\u5668\u53ef\u901a\u8fc7\u4e32\u53e3(RxD\/P3.0,TxD\/P3.1)\u76f4\u63a5\u4e0b\u8f7d\u7528\u6237\u7a0b\u5e8f，\u6570\u79d2\u5373\u53ef\u5b8c\u6210\u4e00\u7247；<\/p>\n

8.\u6709EEPROM\u529f\u80fd；<\/p>\n

9.\u5185\u7f6e\u770b\u95e8\u72d7\u529f\u80fd，\u9632\u6b62\u7a0b\u5e8f\u8dd1\u98de，\u63d0\u9ad8\u7cfb\u7edf\u7a33\u5b9a\u6027\u3002<\/p>\n

10.\u5185\u90e8\u96c6\u6210MAX810\u4e13\u7528\u590d\u4f4d\u7535\u8def(HD\u7248\u672c\u548c90C\u7248\u672c\u624d\u6709)，\u5916\u90e8\u6676\u4f5320M\u4ee5\u4e0b\u65f6，\u53ef\u7701\u5916\u90e8\u590d\u4f4d\u7535\u8def\u3002<\/p>\n

11.\u51713\u4e2a16\u4f4d\u5b9a\u65f6\u5668\/\u8ba1\u6570\u5668，\u5176\u4e2d\u5b9a\u65f6\u56680\u8fd8\u53ef\u4ee5\u5f53\u62102\u4e2a8\u4f4d\u5b9a\u65f6\u5668\u4f7f\u7528\u3002<\/p>\n

12.\u5916\u90e8\u4e2d\u65ad4\u8def,\u4e0b\u964d\u6cbf\u4e2d\u65ad\u6216\u4f4e\u7535\u5e73\u89e6\u53d1\u4e2d\u65ad，Power Down\u6a21\u5f0f\u53ef\u7531\u5916\u90e8\u4e2d\u65ad\u4f4e\u7535\u5e73\u89e6\u53d1\u4e2d\u65ad\u65b9\u5f0f\u5524\u9192\u3002<\/p>\n

13.\u901a\u7528\u5f02\u6b65\u4e32\u884c\u53e3(UART)，\u8fd8\u53ef\u7528\u5b9a\u65f6\u5668\u8f6f\u4ef6\u5b9e\u73b0\u591a\u4e2aUART.<\/p>\n

14.\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4:-40~+85\u2103(\u5de5\u4e1a\u7ea7)\/0~75\u2103(\u5546\u4e1a\u7ea7);<\/p>\n

15.\u5c01\u88c5:LQFP-44,PDIP-40.PLCC-44,PQFP-44;<\/p>\n

\n

STC89\u7cfb\u5217\u5355\u7247\u673a\u7684\u5185\u90e8\u7ed3\u6784<\/h3>\n

STC89C51RC\/RD+\u5355\u7247\u673a\u4e2d\u5305\u542b\u4e2d\u592e\u5904\u7406\u5668(CPU)\u3001\u7a0b\u5e8f\u5b58\u50a8\u5668(Flash)\u3001\u6570\u636e\u5b58\u50a8\u5668(SRAM)\u3001\u5b9a\u65f6\/\u8ba1\u6570\u5668\u3001UART\u4e32\u53e3\u3001I\/0\u63a5\u53e3\u3001EEPROM\u3001\u770b\u95e8\u72d7\u7b49\u6a21\u5757\u3002STC89C51RCIRD+\u7cfb\u5217\u5355\u7247\u673a\u51e0\u4e4e\u5305\u542b\u4e86\u6570\u636e\u91c7\u96c6\u548c\u63a7\u5236\u4e2d\u6240\u9700\u7684\u6240\u6709\u5355\u5143\u6a21\u5757，\u53ef\u79f0\u5f97\u4e0a\u4e00\u4e2a\u7247\u4e0a\u7cfb\u7edf\u3002<\/p>\n

\"\"<\/p>\n

STC89\u7cfb\u521751\u5355\u7247\u673a\u7ba1\u811a\u56fe<\/h3>\n

\"\"<\/p>\n

\u56fe\u4e2d\u867d\u7136\u6709\u4e09\u79cd\u82af\u7247\u56fe，\u4f46\u662f\u90fd\u662f51\u82af\u7247\u54df\u3002\u53ea\u662f\u5c01\u88c5\u683c\u5f0f\u4e0d\u540c\u5566，\u6709\u8d34\u7247\u5f0f\u548c\u63d2\u4ef6\u5f0f\u3002<\/p>\n

\u4ee5PDIP\u5c01\u88c5\u56fe\u4e3a\u4f8b，40\u5f15\u811a\u6211\u4eec\u6309\u5176\u529f\u80fd\u7c7b\u522b\u53ef\u5206\u4e3a\u56db\u7c7b:<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01.\u7535\u6e90\u5f15\u811a：VCC\u3001GND<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02.\u65f6\u949f\u5f15\u811a：XTAL1\u3001XTAL2<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03.\u7f16\u7a0b\u63a7\u5236\u5f15\u811a：\u5982RST\u3001PSEN\u3001ALE\/PROG\u3001EA\/Vpp<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a04.I\/O\u53e3\u5f15\u811a：P0\u3001P1\u3001P2\u3001P3；4\u7ec48\u4f4dI\/O<\/p>\n

VCC（40 \u811a）\u3001GND（20 \u811a）：\u7535\u6e90\u5f15\u811a，\u4e0d\u540c\u578b\u53f7\u5355\u7247\u673a\u63a5\u5165\u5bf9\u5e94\u7535\u538b， \u5e38\u538b\u4e3a+5V，\u4f4e\u538b\u4e3a+3.3V，\u5927\u5bb6\u5728\u4f7f\u7528\u65f6\u8981\u67e5\u770b\u5176\u82af\u7247\u6240\u8981\u6c42\u7684\u7535\u538b;<\/p>\n

XTAL1（19 \u811a）\u3001XTAL2（18 \u811a）：\u5916\u63a5\u65f6\u949f\u5f15\u811a\u3002XTAL1 \u4e3a\u7247\u5185\u632f\u8361\u7535\u8def\u7684 \u8f93\u5165\u7aef，XTAL2\u4e3a\u7247\u5185\u632f\u8361\u7535\u8def\u7684\u8f93\u51fa\u7aef\u30028051 \u7684\u65f6\u949f\u6709\u4e24\u79cd\u65b9\u5f0f，\u4e00\u79cd\u662f\u7247\u5185 \u65f6\u949f\u632f\u8361\u65b9\u5f0f，\u5373\u9700\u5728\u8fd9\u4e24\u4e2a\u5f15\u811a\u5904\u5916\u63a5\u77f3\u82f1\u6676\u632f\u548c\u632f\u8361\u7535\u5bb9，\u632f\u8361\u7535\u5bb9\u7684\u503c\u4e00 \u822c\u53d6 10p~30p；\u53e6\u4e00\u79cd\u662f\u5916\u90e8\u65f6\u949f\u65b9\u5f0f，\u5373\u5c06 XTAL1 \u63a5\u5730，\u5916\u90e8\u65f6\u949f\u4fe1\u53f7\u4ece XTAL2 \u811a\u8f93\u5165\u3002\u901a\u5e38\u4f7f\u7528\u7b2c\u4e00\u79cd\u65b9\u5f0f\u3002<\/p>\n

P0 \u53e3（39 \u811a~32 \u811a）：\u53cc\u5411 8 \u4f4d\u4e09\u6001 I\/O \u53e3，\u6bcf\u4e2a\u53e3\u53ef\u72ec\u7acb\u63a7\u5236\u300251 \u5355\u7247\u673a P0 \u53e3\u5185\u90e8\u6ca1\u6709\u4e0a\u62c9\u7535\u963b，\u82e5\u8f93\u51fa\u9ad8\u65f6\u4e3a\u9ad8\u963b\u6001，\u4e0d\u80fd\u6b63\u5e38\u8f93\u51fa\u9ad8\u7535\u5e73，\u56e0\u6b64\u8be5\u7ec4 I\/O \u53e3，\u6bcf\u4e2a\u53e3\u53ef\u72ec\u7acb\u63a7\u5236\u300251 \u5355\u7247\u673a P0 \u53e3\u5185\u90e8\u6ca1\u6709\u4e0a\u62c9\u7535\u963b，\u82e5\u8f93\u51fa\u9ad8 \u65f6\u4e3a\u9ad8\u963b\u6001，\u4e0d\u80fd\u6b63\u5e38\u8f93\u51fa\u9ad8\u7535\u5e73，\u56e0\u6b64\u8be5\u7ec4 I\/O \u53e3\u5728\u4f7f\u7528\u65f6\u52a1\u5fc5\u8981\u5916\u63a5\u4e0a\u62c9\u7535 \u963b，\u4e00\u822c\u6211\u4eec\u9009\u62e9\u63a5\u5165 10K \u6b27\u4e0a\u62c9\u7535\u963b\u3002<\/p>\n

P1 \u53e3（1 \u811a~8 \u811a）：\u51c6\u53cc\u5411 8 \u4f4d I\/O \u53e3，\u6bcf\u4e2a\u53e3\u53ef\u72ec\u7acb\u63a7\u5236，\u5185\u90e8\u81ea\u5e26\u4e0a\u62c9 \u7535\u963b，\u8fd9\u79cd\u63a5\u53e3\u8f93\u51fa\u6ca1\u6709\u9ad8\u963b\u6001，\u8f93\u5165\u4e5f\u4e0d\u80fd\u9501\u5b58，\u6545\u4e0d\u662f\u771f\u6b63\u7684\u53cc\u5411 I\/O \u53e3\u3002 \u4e4b\u6240\u4ee5\u79f0\u5b83\u4e3a\u201c\u51c6\u53cc\u5411\u201d\u662f\u56e0\u4e3a\u8be5\u53e3\u5728\u4f5c\u4e3a\u8f93\u5165\u4f7f\u7528\u524d，\u8981\u5148\u5411\u8be5\u53e3\u8fdb\u884c\u5199 1 \u64cd\u4f5c，\u7136\u540e\u5355\u7247\u673a\u5185\u90e8\u624d\u53ef\u6b63\u786e\u8bfb\u51fa\u5916\u90e8\u4fe1\u53f7，\u4e5f\u5c31\u662f\u8981\u4f7f\u5176\u5148\u6709\u4e2a\u201c\u51c6\u201d\u5907\u7684 \u8fc7\u7a0b，\u6240\u4ee5\u624d\u79f0\u4e3a\u51c6\u53cc\u5411\u53e3\u3002\u5bf9 52 \u5355\u7247\u673a P1.0 \u5f15\u811a\u7684\u7b2c\u4e8c\u529f\u80fd\u672a T2 \u5b9a\u65f6\u5668\/ \u8ba1\u6570\u5668\u7684\u5916\u90e8\u8f93\u5165，P1.1 \u5f15\u811a\u7684\u7b2c\u4e8c\u529f\u80fd\u4e3a T2EX \u6355\u6349\u3001\u91cd\u88c5\u89e6\u53d1，\u5373 T2 \u7684\u5916 \u90e8\u63a7\u5236\u7aef\u3002<\/p>\n

P2 \u53e3（21 \u811a~28 \u811a）：\u51c6\u53cc\u5411 8 \u4f4d I\/O \u53e3，\u6bcf\u4e2a\u53e3\u53ef\u72ec\u7acb\u63a7\u5236，\u5185\u90e8\u81ea\u5e26\u4e0a\u62c9\u7535\u963b，\u4e0e P1 \u53e3\u76f8\u4f3c\u3002<\/p>\n

P3 \u53e3（10 \u811a~17 \u811a）：\u51c6\u53cc\u5411 8 \u4f4d I\/O \u53e3，\u6bcf\u4e2a\u53e3\u53ef\u72ec\u7acb\u63a7\u5236，\u5185\u90e8\u81ea\u5e26\u4e0a\u62c9\u7535\u963b\u3002\u4f5c\u4e3a\u7b2c\u4e00\u529f\u80fd\u4f7f\u7528\u65f6\u5c31\u5f53\u505a\u666e\u901a I\/O \u53e3，\u4e0e P1 \u53e3\u76f8\u4f3c\u3002\u4f5c\u4e3a\u7b2c\u4e8c\u529f\u80fd \u4f7f\u7528\u65f6，\u5404\u5f15\u811a\u7684\u5b9a\u4e49\u5982\u4e0b：<\/p>\n

\"\"<\/p>\n

\n

\u666e\u4e2d51\u5f00\u53d1\u677f\u6a21\u5757\u5316\u529f\u80fd\u4ecb\u7ecd<\/h2>\n

\u666e\u4e2d51\u5f00\u53d1\u677f\u6a21\u5757\u5316\u529f\u80fd\u4ecb\u7ecd：<\/h3>\n

\u672c\u4e13\u680f\u91c7\u7528\u666e\u4e2d51-\u5b9e\u9a8c\u677f\u8fdb\u884c\u5f00\u53d1，\u5982\u56fe\u6240\u793a：<\/p>\n

\"\"<\/p>\n

\u63a5\u4e0b\u6765\u6211\u5728\u666e\u4e2d\u5b98\u7f51\u4e2d\u91c7\u7528\u7f16\u53f7\u56fe\u7247\u4e3a\u5927\u5bb6\u8bb2\u89e3\u666e\u4e2d51-\u5b9e\u9a8c\u677f\u7684\u5404\u4e2a\u6a21\u5757\u5316\u529f\u80fd:<\/p>\n

\"\"<\/p>\n

\u7f16\u53f71：\u6b65\u8fdb\u7535\u673a\u6a21\u5757<\/h4>\n

\u6b65\u8fdb\u7535\u673a\u6a21\u5757：\u901a\u5e38\u91c7\u7528\u4e94\u7ebf\u56db\u76f8\u6b65\u8fdb\u7535\u673a，\u642d\u914dULN2003A\u9a71\u52a8\u82af\u7247，\u5b9e\u73b0\u6b65\u8fdb\u7535\u673a\u7684\u7cbe\u786e\u63a7\u5236\u3002<\/p>\n

\u6b65\u8fdb\u7535\u673a\u4ee528BYJ-48\u4e3a\u4f8b，\u8fd9\u662f\u4e00\u6b3e\u4e94\u7ebf\u56db\u76f8\u5355\u6781\u6027\u6b65\u8fdb\u7535\u673a，\u5177\u6709\u4f53\u79ef\u5c0f\u3001\u626d\u77e9\u9002\u4e2d\u3001\u63a7\u5236\u7b80\u5355\u7b49\u7279\u70b9\u3002<\/p>\n

ULN2003\u82af\u7247\u662f\u4e00\u79cd\u9ad8\u8010\u538b\u3001\u5927\u7535\u6d41\u590d\u5408\u6676\u4f53\u7ba1\u9635\u5217，\u7531\u4e03\u5bf9NPN\u7684\u8fbe\u6797\u987f\u7ba1\u7ec4\u6210，\u53ef\u4ee5\u9a71\u52a8\u7535\u673a\u3001\u7ee7\u7535\u5668\u3001\u706f\u7b49\u5927\u529f\u7387\u5668\u4ef6\u3002<\/p>\n

\u5728\u6b65\u8fdb\u7535\u673a\u6a21\u5757\u4e2d，ULN2003\u82af\u7247\u7528\u4e8e\u653e\u5927\u5355\u7247\u673a\u8f93\u51fa\u7684\u8109\u51b2\u4fe1\u53f7，\u4ee5\u9a71\u52a8\u6b65\u8fdb\u7535\u673a\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n

\u7f16\u53f72：\u8702\u9e23\u5668\u6a21\u5757<\/h4>\n

\u8702\u9e23\u5668\u6a21\u5757：\u91c7\u7528\u65e0\u6e90\u8702\u9e23\u5668（\u538b\u7535\u5f0f），\u9700\u5916\u90e8\u63d0\u4f9b1.5-5kHz\u7684\u8109\u51b2\u4fe1\u53f7\u624d\u80fd\u53d1\u58f0\u3002\u53ef\u901a\u8fc7\u8c03\u6574\u9891\u7387\u5b9e\u73b0\u97f3\u8c03\u53d8\u5316（\u5982\u64ad\u653e\u7b80\u5355\u97f3\u4e50\/\u62a5\u8b66\u63d0\u793a），\u4f46\u9700\u5355\u7247\u673a\u8f93\u51fa\u7279\u5b9a\u9891\u7387\u7684\u65b9\u6ce2\u4fe1\u53f7\u9a71\u52a8\u3002<\/p>\n

\u7f16\u53f73：DS1302\u65f6\u949f\u6a21\u5757<\/h4>\n

DS1302\u65f6\u949f\u6a21\u5757：\u901a\u8fc7\u7b80\u5355\u7684\u4e32\u884c\u63a5\u53e3\u4e0e\u5355\u7247\u673a\u901a\u4fe1，\u4e3a\u7528\u6237\u63d0\u4f9b\u7a33\u5b9a\u7684\u65f6\u95f4\u57fa\u51c6\u3002\u53ef\u7528\u4e8e\u5b9e\u73b0\u9700\u8981\u7cbe\u786e\u65f6\u95f4\u8bb0\u5f55\u7684\u573a\u5408，\u5982\u7535\u5b50\u65f6\u949f\u3001\u6570\u636e\u8bb0\u5f55\u8bbe\u5907\u7b49\u3002<\/p>\n

\u7f16\u53f74：ADC\/DAC\u6a21\u5757<\/h4>\n

ADC\/DAC\u6a21\u5757：\u5c06\u6a21\u62df\u4fe1\u53f7（\u5982\u7535\u538b\u3001\u6e29\u5ea6\u3001\u5149\u5f3a\u7b49）\u8f6c\u6362\u4e3a\u6570\u5b57\u4fe1\u53f7，\u4f9b\u5355\u7247\u673a\u5904\u7406\u3002\u4f8b\u5982\u5bf9XPT2046\u548cLM258\u7b49\u82af\u7247，\u53ef\u5bf9\u6a21\u62df\u4fe1\u53f7\u91c7\u96c6\u8f6c\u6362，\u53ef\u8bbe\u8ba1\u7b80\u6613\u7535\u538b\u8868\u3001\u70df\u96fe\u76d1\u63a7\u7cfb\u7edf\u7b49；<\/p>\n

\u7f16\u53f75：\u5355\u7247\u673a\u590d\u4f4d\u6a21\u5757<\/h4>\n

\u5355\u7247\u673a\u590d\u4f4d\u6a21\u5757：\u6309\u952e\u624b\u52a8\u590d\u4f4d\u548c\u4e0a\u7535\u81ea\u52a8\u590d\u4f4d\u76f8\u7ed3\u5408\u7684\u8bbe\u8ba1，\u624b\u52a8\u590d\u4f4d\u662f\u5bf9\u7f16\u53f75\u4e2d\u7684\u6309\u952e\u6309\u4e0b，\u5b9e\u73b0\u590d\u4f4d\u529f\u80fd\u3002\u4e0a\u7535\u81ea\u52a8\u590d\u4f4d\u662f\u5f00\u53d1\u677f\u4e0a\u7535\u540e\u81ea\u52a8\u590d\u4f4d；<\/p>\n

\u7f16\u53f76：\u7535\u6e90\u5f00\u5173<\/h4>\n

\u7535\u6e90\u5f00\u5173\u6a21\u5757：\u5f00\u53d1\u677f\u901a\u8fc7USB\u63a5\u53e3\u4f9b\u7535\u65f6，\u7535\u6e90\u5f00\u5173\u4e0d\u6309\u4e0b\u677f\u5b50\u662f\u6ca1\u6709\u4e0a\u7535\u7684\u3002\u6309\u4e0b\u540e\u677f\u5b50\u624d\u4f1a\u4e0a\u7535\u3002\u5b9e\u73b0\u7cfb\u7edf\u7535\u6e90\u63a7\u5236\u3002<\/p>\n

\u7f16\u53f77：USB\u8f6cTTL\u6a21\u5757<\/h4>\n

USB\u8f6cTTL\u6a21\u5757：\u5176\u6838\u5fc3\u901a\u4fe1\u7ec4\u4ef6，\u901a\u5e38\u91c7\u7528CH340\u82af\u7247\u5b9e\u73b0USB\u4fe1\u53f7\u4e0eTTL\u7535\u5e73\u7684\u53cc\u5411\u8f6c\u6362，\u4e3a\u5f00\u53d1\u677f\u4e0e\u7535\u8111\u4e4b\u95f4\u7684\u4e32\u53e3\u901a\u4fe1\u63d0\u4f9b\u6865\u6881\u3002\u5b9e\u73b0\u4e24\u4e2a\u529f\u80fd：\u5373\u53ef\u4e0b\u8f7d\u7a0b\u5e8f，\u53c8\u53ef\u4e32\u53e3\u901a\u4fe1<\/p>\n

\u7f16\u53f78：MiniUSB\u63a5\u53e3\u6a21\u5757<\/h4>\n

MiniUSB\u63a5\u53e3\u6a21\u5757：\u517c\u5bb9\u5b89\u5353\u624b\u673a\u6570\u636e\u7ebf\u5b9e\u73b0\u677f\u5b50\u548c\u7535\u8111\u7684\u6570\u636e\u548c\u7535\u6e90\u4f20\u8f93<\/p>\n

\u7f16\u53f79：\u7535\u6e90\u6a21\u5757<\/h4>\n

\u7535\u6e90\u6a21\u5757：AMS1117\u82af\u7247\u4f5c\u4e3a\u7535\u6e90\u6a21\u5757\u7684\u6838\u5fc3\u7ec4\u4ef6，\u4e3b\u8981\u627f\u62c55V\u8f6c3.3V\u7a33\u538b\u4f9b\u7535\u4efb\u52a1，\u4e3a\u5f00\u53d1\u677f\u4e0a\u76843.3V\u903b\u8f91\u5668\u4ef6（\u5982\u5355\u7247\u673a\u6838\u5fc3\u3001\u4f20\u611f\u5668\u6a21\u5757\u3001\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u7b49）\u63d0\u4f9b\u7a33\u5b9a\u7535\u6e90\u3002<\/p>\n

\u7f16\u53f710：\u7535\u6e90\u8f93\u51fa\u7aef\u5b50\u6a21\u5757<\/h4>\n

\u7535\u6e90\u8f93\u51fa\u7aef\u5b50\u6a21\u5757：\u662f\u5229\u7528AMS1117\u82af\u7247\u8f93\u51fa\u7684\u7535\u538b\u4f5c\u4e3a\u5916\u90e8\u4f7f\u7528，\u7528\u6237\u53ef\u6839\u636e\u9700\u8981\u4f7f\u7528\u675c\u90a6\u7ebf\u9009\u62e9\u4f7f\u75283V\u8fd8\u662f5V\u7535\u6e90\u7535\u538b\u3002<\/p>\n

\u7f16\u53f711：\u72ec\u7acb\u6309\u952e\u6a21\u5757<\/h4>\n

\u72ec\u7acb\u6309\u952e\u6a21\u5757：\u5305\u542b4\u4e2a\u72ec\u7acb\u6309\u952e（K1-K4），\u901a\u8fc7\u673a\u68b0\u5f39\u6027\u5f00\u5173\u5b9e\u73b0\u4fe1\u53f7\u8f93\u5165，\u91c7\u7528\u8f6f\u4ef6\u6d88\u6296\u5904\u7406\u6309\u952e\u6296\u52a8，\u76f4\u63a5\u8fde\u63a5\u81f3\u5355\u7247\u673aP3\u53e3\u7684\u4f4e4\u4f4d（P3.0-P3.3），\u652f\u6301\u901a\u8fc7\u68c0\u6d4bIO\u53e3\u7535\u5e73\u72b6\u6001\u5b9e\u73b0\u6309\u952e\u529f\u80fd\u5f00\u53d1\u3002<\/p>\n

\u7f16\u53f712：NRF24L01\u63a5\u53e3\u6a21\u5757<\/h4>\n

NRF24L01\u63a5\u53e3\u6a21\u5757：\u662f\u4e00\u6b3e\u4f4e\u529f\u8017\u3001\u9ad8\u901f\u7387\u76842.4GHz\u65e0\u7ebf\u6536\u53d1\u6a21\u5757，\u9002\u7528\u4e8e\u77ed\u8ddd\u79bb\u65e0\u7ebf\u901a\u4fe1\u573a\u666f\u3002<\/p>\n

\u7f16\u53f713：STC89C52\u5355\u7247\u673a\u63a5\u53e3\u5ea7\u548cIO\u5f15\u811a\u6a21\u5757<\/h4>\n

STC89C52\u5355\u7247\u673a\u63a5\u53e3\u5ea7\u548cIO\u5f15\u811a\u6a21\u5757：STC89C52\u5355\u7247\u673a\u63a5\u53e3\u5ea7\u662f\u5b9e\u9a8c\u677f\u4e0a\u7528\u4e8e\u5b89\u88c5STC89C52\u5355\u7247\u673a\u7684\u63d2\u5ea7，\u5b83\u63d0\u4f9b\u4e86\u5355\u7247\u673a\u4e0e\u5b9e\u9a8c\u677f\u4e0a\u5176\u4ed6\u6a21\u5757\u4e4b\u95f4\u7684\u7535\u6c14\u8fde\u63a5\u3002\u901a\u8fc7\u8fd9\u4e2a\u63a5\u53e3\u5ea7，\u7528\u6237\u53ef\u4ee5\u65b9\u4fbf\u5730\u66f4\u6362\u5355\u7247\u673a，\u8fdb\u884c\u4e0d\u540c\u7684\u5b9e\u9a8c\u6216\u9879\u76ee\u5f00\u53d1\u3002IO\u5f15\u811a\u6a21\u5757：STC89C52\u5355\u7247\u673a\u5177\u670940\u4e2a\u5f15\u811a，\u5176\u4e2d\u5305\u542b\u4e86\u591a\u4e2aIO（\u8f93\u5165\/\u8f93\u51fa）\u5f15\u811a，\u8fd9\u4e9b\u5f15\u811a\u88ab\u5206\u4e3a\u56db\u4e2a\u5e76\u884c\u7aef\u53e3\u65b9\u4fbf\u4e8c\u6b21\u5f00\u53d1，\u6bcf\u4e2a\u7aef\u53e3\u90fd\u6709\u5176\u7279\u5b9a\u7684\u529f\u80fd\u548c\u7528\u9014；<\/p>\n

\u7f16\u53f714：DS18B20\u6a21\u5757<\/h4>\n

DS18B20\u6a21\u5757：\u662f\u4e00\u6b3e\u57fa\u4e8e\u5355\u603b\u7ebf\u534f\u8bae\u7684\u6570\u5b57\u6e29\u5ea6\u4f20\u611f\u5668，\u5177\u6709\u9ad8\u7cbe\u5ea6\u3001\u4f4e\u529f\u8017\u3001\u6297\u5e72\u6270\u6027\u5f3a\u7b49\u7279\u70b9，\u9002\u7528\u4e8e\u5404\u79cd\u6e29\u5ea6\u76d1\u6d4b\u573a\u666f\u3002<\/p>\n

\u7f16\u53f715：\u7ea2\u5916\u63a5\u6536\u6a21\u5757<\/h4>\n

\u7ea2\u5916\u63a5\u6536\u6a21\u5757：\u662f\u4e00\u4e2a\u7528\u4e8e\u63a5\u6536\u7ea2\u5916\u4fe1\u53f7\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u7535\u4fe1\u53f7\u7684\u5173\u952e\u7ec4\u4ef6，\u901a\u5e38\u91c7\u7528\u4e00\u4f53\u5316\u7ea2\u5916\u63a5\u6536\u5934，\u652f\u630138kHz\u8f7d\u6ce2\u9891\u7387，\u5177\u6709\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u3001\u4fe1\u606f\u4f20\u8f93\u53ef\u9760\u3001\u529f\u8017\u4f4e\u3001\u6210\u672c\u4f4e\u7b49\u7279\u70b9，\u9002\u7528\u4e8e\u5404\u79cd\u65e0\u7ebf\u9065\u63a7\u573a\u666f\u3002<\/p>\n

\u7f16\u53f716：\u77e9\u9635\u6309\u952e\u6a21\u5757<\/h4>\n

\u77e9\u9635\u6309\u952e\u6a21\u5757：\u662f\u4e00\u79cd\u901a\u8fc7\u884c\u5217\u4ea4\u53c9\u8fde\u63a5\u6309\u952e\u9635\u5217\u7684\u8bbe\u8ba1，\u65e8\u5728\u51cf\u5c11\u5355\u7247\u673aI\/O\u53e3\u7684\u4f7f\u7528，\u540c\u65f6\u652f\u6301\u591a\u4e2a\u6309\u952e\u7684\u68c0\u6d4b\u3002<\/p>\n

\u7f16\u53f717：LED\u706f\u6a21\u5757<\/h4>\n

LED\u706f\u6a21\u5757：\u662f\u4e00\u79cd\u57fa\u7840\u4e14\u5e38\u7528\u7684\u8f93\u51fa\u8bbe\u5907，\u4e3b\u8981\u7528\u4e8e\u901a\u8fc7\u53d1\u5149\u4e8c\u6781\u7ba1（LED）\u7684\u4eae\u706d\u72b6\u6001\u6765\u76f4\u89c2\u5c55\u793a\u5355\u7247\u673a\u7684\u63a7\u5236\u6548\u679c\u6216\u7a0b\u5e8f\u8fd0\u884c\u72b6\u6001\u3002<\/p>\n

\u7f16\u53f718：8*8\u5355\u8272LED\u706f\u70b9\u9635\u6a21\u5757<\/h4>\n

8*8\u5355\u8272LED\u706f\u70b9\u9635\u6a21\u5757：\u662f\u4e00\u79cd\u753164\u4e2aLED\u706f\u7ec4\u6210\u7684\u77e9\u9635，\u80fd\u591f\u72ec\u7acb\u63a7\u5236\u6bcf\u4e2aLED\u706f\u7684\u4eae\u706d，\u4ee5\u663e\u793a\u6570\u5b57\u3001\u5b57\u7b26\u3001\u7b80\u5355\u6c49\u5b57\u6216\u56fe\u5f62\u3002<\/p>\n

\u7f16\u53f719：74HC595\u82af\u7247\u6a21\u5757<\/h4>\n

74HC595\u82af\u7247\u6a21\u5757：\u5728\u666e\u4e2d51-A2\u5b9e\u9a8c\u677f\u4e0a，74HC595\u6a21\u5757\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u4e32\u884c\u8f93\u5165\u3001\u5e76\u884c\u8f93\u51fa\u79fb\u4f4d\u5bc4\u5b58\u5668\u82af\u7247，\u7528\u4e8e\u6269\u5c55\u5355\u7247\u673a\u7684I\/O\u53e3，\u9a71\u52a88\u00d78\u5355\u8272LED\u70b9\u9635\u6a21\u5757\u3002<\/p>\n

\u7f16\u53f720：LCD12864\u6db2\u6676\u63a5\u53e3\u6a21\u5757<\/h4>\n

LCD12864\u6db2\u6676\u63a5\u53e3\u6a21\u5757：\u53ef\u4ee5\u517c\u5bb9LCD9648\u3001Mini LCD1286\u3001\u5e26\u5b57\u5e93LCD12864\u6db2\u6676\u3001\u7528\u4e8e\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\u663e\u793a\u56fe\u5f62\u548c\u6587\u672c\u4fe1\u606f\u3002<\/p>\n

\u7f16\u53f721：LCD1602\u6db2\u6676\u63a5\u53e3\u6a21\u5757<\/h4>\n

LCD1602\u6db2\u6676\u63a5\u53e3\u6a21\u5757：\u53ef\u4ee5\u517c\u5bb9LCD1602\/LCD9648\u6db2\u6676\u5c4f，\u7528\u4e8e\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\u663e\u793a\u6570\u636e\u4fe1\u606f\u3002<\/p>\n

\u7f16\u53f722：\u52a8\u6001\u6570\u7801\u7ba1\u6a21\u5757<\/h4>\n

\u52a8\u6001\u6570\u7801\u7ba1\u6a21\u5757\u4ecb\u7ecd：\u662f\u4e00\u79cd\u5e38\u7528\u7684\u6570\u5b57\u663e\u793a\u8bbe\u5907，\u7531\u591a\u4e2a\u53d1\u5149\u4e8c\u6781\u7ba1（LED）\u5c01\u88c5\u5728\u4e00\u8d77\u7ec4\u6210\u201c8\u201d\u5b57\u578b\u7684\u5668\u4ef6\u3002\u8be5\u6a21\u5757\u901a\u5e38\u5305\u542b\u591a\u4e2a（\u59828\u4e2a）\u6570\u7801\u7ba1，\u901a\u8fc7\u52a8\u6001\u626b\u63cf\u7684\u65b9\u5f0f\u5b9e\u73b0\u591a\u4f4d\u6570\u5b57\u7684\u663e\u793a\u3002\u52a8\u6001\u6570\u7801\u7ba1\u6a21\u5757\u5177\u6709\u663e\u793a\u6e05\u6670\u3001\u529f\u8017\u4f4e\u3001\u5bff\u547d\u957f\u7b49\u4f18\u70b9，\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u5d4c\u5165\u5f0f\u7cfb\u7edf\u548c\u5355\u7247\u673a\u5f00\u53d1\u4e2d\u3002<\/p>\n

\u7f16\u53f723：EEPROM\u6a21\u5757<\/h4>\n

EEPROM\u6a21\u5757：\u91c7\u7528AT24C02\u82af\u7247，\u8fd9\u662f\u4e00\u79cdI2C\u63a5\u53e3\u7684\u4e32\u884cEEPROM\u5b58\u50a8\u5668\u3002256\u5b57\u8282\u5b58\u50a8\u5bb9\u91cf，\u5b58\u50a8\u6570\u636e\u6389\u7535\u4e0d\u4e22\u5931，\u53ef\u5b58\u50a8\u91cd\u8981\u6570\u636e；<\/p>\n

\u7f16\u53f724：74HC138\u8bd1\u7801\u5668\u6a21\u5757<\/h4>\n

74HC138\u8bd1\u7801\u5668\u6a21\u5757：\u662f\u4e00\u4e2a\u9ad8\u901fCMOS\u8bd1\u7801\u5668，\u7528\u4e8e\u5c063\u4f4d\u4e8c\u8fdb\u5236\u8f93\u5165\u8f6c\u6362\u4e3a8\u4e2a\u4e92\u65a5\u7684\u4f4e\u7535\u5e73\u6709\u6548\u8f93\u51fa，\u4ee5\u5b9e\u73b0\u52a8\u6001\u6570\u7801\u7ba1\u7684\u7247\u9009\u529f\u80fd，\u8282\u7ea6I\/O\u53e3\u8d44\u6e90\u3002\u00a0<\/p>\n

\n

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