{"id":2377,"date":"2019-04-26T02:59:53","date_gmt":"2019-04-26T02:59:53","guid":{"rendered":""},"modified":"2019-04-26T11:00:25","modified_gmt":"2019-04-26T03:00:25","slug":"at89c5l%e5%8d%95%e7%89%87%e6%9c%ba%e7%94%a8%e7%94%b5%e6%95%85%e9%9a%9c%e6%8e%a7%e5%88%b6%e7%b3%bb%e7%bb%9f%e7%9a%84%e8%ae%be%e8%ae%a1","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=2377","title":{"rendered":"AT89C5l\u5355\u7247\u673a\u7528\u7535\u6545\u969c\u63a7\u5236\u7cfb\u7edf\u7684\u8bbe\u8ba1"},"content":{"rendered":"

\n\t1 \u5f15\u8a00<\/p>\n

\n\t\u5bf9\u4e8e\u7535\u7f51\u77ed\u8def<\/u>\u548c\u7ebf\u8def\u6545\u969c\u68c0\u6d4b\u4fdd\u62a4\u5df2\u6709\u4e0d\u5c11\u7814\u7a76\u3002\u5e02\u9762\u4e0a\u7684\u7535\u5668\u77ed\u8def\u3001\u8fc7\u8f7d\u3001\u8d85\u538b\u7684\u4fdd\u62a4\u5668\u529f\u80fd\u5355\u4e00\u3002\u5bb9\u6613\u635f\u574f\uff0c\u6ca1\u7528\u63d0\u793a\u529f\u80fd\uff0c\u4e0d\u591f\u4eba\u6027\u5316\u3002\u4f46\u968f\u4eba\u4eec\u751f\u6d3b\u6c34\u5e73\u7684\u4e0d\u65ad\u63d0\u9ad8\u3002\u7528\u7535\u8bbe\u5907\u4e5f\u4e0d\u65ad\u589e\u52a0\uff0c\u4ea7\u751f\u4e86\u8093\u76ee\u7528\u7535\u73b0\u8c61\u3002\u8fd9\u7ed9\u4eba\u4eec\u9020\u6210\u6781\u5927\u7684\u5b89\u5168\u9690\u60a3\u3002\u5176\u4e2d\u5371\u5bb3\u6027\u6700\u5927\u7684\u7528\u7535\u6545\u969c\u6709\u4e09\u79cd\uff1a\u8f93\u5165\u7535\u538b\u8fc7\u9ad8\u3001\u5ba4\u5185\u7ebf\u8def\u4e25\u91cd\u8fc7\u8f7d\u3001\u7528\u7535\u5668\u77ed\u8def\u3002\u672c\u6587\u8bbe\u8ba1\u7684\u5355\u7247\u673a<\/u>AT89C5l\u7528\u7535\u6545\u969c\u63a7\u5236\u7cfb\u7edf\u7684\u76ee\u7684\u5c31\u662f\u4e3a\u4e86\u9632\u6b62\u8fd9\u4e09\u79cd\u6545\u969c\u5e26\u6765\u7684\u5371\u5bb3\u3002<\/p>\n

\n\t <\/div>\n

\n\t2 \u786c\u4ef6\u7684\u7ec4\u6210<\/p>\n

\n\t\u5355\u7247\u673a\u7528\u7535\u6545\u969c\u63a7\u5236\u7cfb\u7edf\u7684\u786c\u4ef6\u5206\u522b\u662f\uff1a\u7531\u964d\u538b\u53d8\u538b\u5668<\/u>\u30012\u4e2a\u76f8\u74e6\u4e32\u8054\u7684\u611f\u5e94\u7ebf\u5708\u3001\u5347\u538b\u53d8JK\u5668\u3001\u7535\u78c1\u5f00\u5173\u30015V\u7a33\u538b\u7535\u6e90<\/u>\u3001\u8d85\u538b\u8fc7\u6d41\u4fe1\u53f7\u83b7\u53d6\u6bd4\u8f83\u7535\u8def<\/u>\u3001\u53ef\u7f16\u7a0b\u63a5\u95e8\u6269\u5c55\u82af\u72478255\u3001HD44780\u5b57\u7b26<\/u>\u6db2\u6676\u663e\u793a<\/u>\u6a21\u5757\u3001ISD2650\u8bed\u97f3\u82af\u7247\u3002\u626c\u58f0\u5668\u548c\u7535\u5bb9<\/u>\u7535\u963b<\/u>\u7b49\u5143\u5668\u4ef6<\/u>\u7ec4\u6210\uff0c\u7cfb\u7edf\u4f7f\u7528\u4e00\u7247805l\u4e3a\u63a7\u5236\u82af\u7247\u3002\u63a7\u5236\u548c\u63d0\u793a\u7cfb\u7edf\u7684\u57fa\u672c\u7535\u8def\u5982\u56fe1\u6240\u793a\u3002<\/p>\n

\n\t\"AT89C5l\u5355\u7247\u673a\u7528\u7535\u6545\u969c\u63a7\u5236\u7cfb\u7edf\u7684\u8bbe\u8ba1\"<\/p>\n

\n\t\u56fe1 \u5355\u7247\u673a\u7528\u7535\u6545\u969c\u63a7\u5236\u7cfb\u7edf\u539f\u7406\u56fe<\/p>\n

\n\t3 \u5de5\u4f5c\u539f\u7406<\/p>\n

\n\t3.1\u83b7\u53d6\u6545\u969c\u68c0\u6d4b\u7535\u538b<\/p>\n

\n\t\u7531\u7535\u78c1\u5b66\u7406\u8bba\u5f97\uff0c\u901a\u7535\u5bfc\u7ebf\u5468\u55e3\u6709\u7535\u78c1\u573a\u4ea7\u751f\u3002\u5728\u4f9b\u7535\u7684\u7535\u7ebf\u65c1\u5b89\u7f6e\u4e24\u4e2a\u4e32\u8054\u7684\u7535\u78c1\u611f\u5e94<\/u>\u7ebf\u5708\uff08\u5f62\u72b6\u4e3a\u77e9\u5f62\uff09\u6765\u83b7\u53d6\u7531\u5bfc\u7ebf\u7535\u6d41<\/u>\u53d8\u5316\u4ea7\u751f\u7684\u4fe1\u53f7\u7535\u538b\u3002<\/p>\n

\n\t\u7531\u6587\u732e\u4e2d\u5f97\uff0c\u611f\u5e94\u7ebf\u5708\u7535\u538b\u8ba1\u7b97\u516c\u5f0f\u4e3a\uff1a<\/p>\n

\n\t<\/p>\n

\n\t\u5176\u4e2d\uff0cμ0\u4e3a\u771f\u7a7a\u78c1\u5bfc\u7387\uff0cW\u4e3a\u4ea4\u6d41\u7535\u7684\u89d2\u9891\u7387\uff0cIm\u4e3a\u7528\u6237\u603b\u7ebf\u7684\u6700\u5927\u989d\u5b9a\u7535\u6d41\uff08\u53ef\u53d8\u503c\uff09\uff0cN\u611f\u5e94\u7ebf\u5708\u7684\u603b\u531d\u6570\uff0cl\u4e3a\u611f\u5e94\u7ebf\u5708\u7684\u957f\u3002d\u4e3a\u611f\u5e94\u7ebf\u5708\u8ddd\u5bfc\u7ebf\u7684\u8ddd\u79bb\u3002a\u4e3a\u611f\u5e94\u7ebf\u5708\u7684\u5bbd\u3002<\/p>\n

\n\t3.2 \u8fc7\u8f7d\u6545\u969c\u4fdd\u62a4\u7535\u8def<\/u>\u5de5\u4f5c\u539f\u7406<\/p>\n

\n\t\u4e3a\u4e86\u63d0\u9ad8\u63a7\u5236\u6548\u679c\u548c\u51cf\u5c11\u611f\u5e94\u7ebf\u5708\u7684\u531d\u6570\u3002\u5219\u91c7\u7528\u5347\u538b\u53d8\u538b\u5668T1\u628a\u4fe1\u53f7\u7535\u538b\u5347\u9ad8\u7684\u65b9\u6cd5\u8fdb\u884c\u7535\u538b\u63d0\u5347\uff0c\u8bbe\u5347\u538b\u53d8\u538b\u5668T1\u7684\u53d8\u6bd4\u4e3a10\/1\u3002\u5f53\u7528\u7535\u8fc7\u8f7d\u65f6\u3002\u6d41\u8fc7\u8fdb\u6237\u706b\u7ebf\u7684\u7535\u6d41\u5927\u5927\u589e\u52a0\uff0c\u7531\u7535\u78c1\u611f\u5e94\u5b9a\u5f8b\u5f97\uff0c\u611f\u5e94\u7ebf\u5708\u4e24\u7aef\u7684\u611f\u5e94\u7535\u538b\u5927\u5927\u589e\u52a0\uff0c\u901a\u8fc7\u5bf9\u8fd9\u4e2a\u611f\u5e94\u7535\u538b\u7684\u68c0\u6d4b\u5c31\u80fd\u5224\u65ad\u51fa\u5f53\u524d\u662f\u5426\u51fa\u73b0\u8fc7\u8f7d\u73b0\u8c61\uff0c\u8bbe\u8fd9\u4e2a\u4fe1\u53f7\u7535\u538b\u8fbe\u5230V\uff08\u5347\u538b\u53d8\u538b\u5668\u7684\u6b21\u7ea7\u8f93\u51fa\u4e3a1.5V\uff09\u65f6\u5f00\u59cb\u62a5\u8b66\u63d0\u793a\uff0c\u5f53\u4fe1\u53f7\u7535\u538b\u8d85\u8fc70.159V\uff08\u5347\u538b\u53d8\u538b\u5668\u7684\u6b21\u7ea7\u8f93\u51fa\u4e3a1.59V\uff09\u65f6\u7acb\u5373\u8df3\u95f8\u5e76\u62a5\u8b66\u63d0\u793a\u3002\u4e3a\u4e86\u4f7f\u63a7\u5236\u7cfb\u7edf\u83b7\u53d6\u8fc7\u8f7d\u63a7\u5236\u7684\u53d6\u6837\u7535\u538b\u4fe1\u53f7\u3002\u91c7\u7528\u5982\u56fe2\u6240\u793a\u7684\u7535\u8def\u3002<\/p>\n

\n\t<\/p>\n

\n\t\u56fe2 \u8fc7\u8f7d\u6545\u969c\u4fe1\u53f7\u7535\u538b\u4f20\u8f93\u539f\u7406\u7f51<\/p>\n

\n\t\u96c6\u6210\u7535\u8defTA7666\u539f\u4e3a\u5f55\u97f3\u7535\u5e73LED\u663e\u793a\u9a71\u52a8\u96c6\u6210\u7535\u8def\uff0c\u5185\u90e8\u5305\u542b5\u4e2a\u7535\u538b\u6bd4\u8f83\u5668<\/u>\uff0c1\u811a\u4e3a\u4fe1\u53f7\u7535\u538b\u8f93\u5165\u7aef\uff0c3\u30014\u30015\u30016\u548c7\u811a\u4e3a\u4fe1\u53f7\u7535\u538b\u8f93\u51fa\u7aef\u3002\u73b0\u5728\u91c7\u7528\u96c6\u6210\u7535\u8defTA7666\u662f\u4e3a\u4e86\u5f97\u52305\u4e2a\u4e0d\u95f4\u7ea7\u522b\u7684\u4fe1\u53f7\u7535\u538b\u503c\u3002TA7666\u5185\u90e8\u7684\u7535\u538b\u6bd4\u8f83\u5668\u7684\u57fa\u51c6\u7535\u538b\u662f\u75318051\u5355\u7247\u673a\u82af\u7247\u6839\u636e\u7528\u6237\u7ebf\u7684\u89c4\u683c\u7c73\u786e\u5b9a\uff0c\u5e76\u901a\u8fc7\u5355\u7247\u673a\u82af\u7247\u76848\u811a\uff08P17\uff09\u8f93\u51fa\u7ed9TA7666\u3002\u5f53\u5347\u538b\u53d8\u538b\u5668\u8f93\u51fa\u7684\u7535\u538b\u8d85\u8fc71.5V\uff0c\u6574\u6d41\u540e\u5f97\u5927\u4e8eV\u7684\u7535\u538b\uff0c\u7ecfR14\u548cR15\u5206\u538b\u540e\u4ecd\u8d85\u8fc7lV\u7684\u7535\u538b\uff0c\u7ecfTA7666\u5185\u90e8\u7535\u538b\u6bd4\u8f83\u5668\u6bd4\u8f83\u30023\u811a\u7531\u9ad8\u7535\u53d8\u4e3a\u4f4e\u7535\u5e73\uff08\u4f4e\u7535\u5e73\u4e3a0.3v\uff09\uff0c\u4e8e\u662f\uff0c\u4e8c\u6781\u7ba1<\/u>VD4\u5bfc\u901a\uff0c\u7531R58\u548cR59\u5206\u538b\u5f97\u7ea6\u4e3a2V\u7535\u538b\u52a0\u5230805l\u5355\u7247\u673a\u7684P22IO\u53e3\u4e0a\u3002\u5982\u679c\u8f93\u51fa\u7684\u7535\u538b\u4e0d\u65ad\u53d8\u9ad8\uff0c\u5219TA7666\u76844\uff0c5\uff0c6\uff0c7\u811a\u4f9d\u6b21\u7531\u9ad8\u7535\u5e73\u53d8\u4e3a\u4f4e\u7535\u5e73\u3002\u8fd9\u6837\u5728\u5355\u7247\u673a\u7684IO 13\uff1aP22\uff0cP23\uff0cP24\uff0cP25\uff0c\u548cP26\u4f9d\u6b21\u67aa\u6d4b\u5230\u4f4e\u7535\u5e73\u8f93\u5165\uff0c\u75318051\u5355\u7247\u673a\u82af\u7247\u5185\u90e8\u8fd0\u7b97\u8bc6\u522b\u4eceP00\uff5eP07\u811a\u8f93\u51fa\u8fc7\u8f7d\u4fe1\u53f7\uff0c\u7531DO\uff5eD07\u811a\u8f93\u5165\u52308255\u6269\u5c55\u7535\u8def\u5185\uff0c\u518d\u75318255\u5185\u90e8\u8bc6\u522b\uff0c\u4ece\u5b58\u50a8\u5668\u4e2d\u8c03\u51fa\u8fc7\u8f7d\u5b57\u7b26\u663e\u793a\u4fe1\u53f7\uff0c\u4ece8255\u7684PA0\uff5ePA7\u811a\u8f93\u51fa\u7ed9HD44780\u76847\uff5e14\u811a\uff0c\u7531HD44780\u5b57\u7b26\u663e\u793a\u6a21\u5757\u663e\u793a\u51fa\u8fc7\u8f7d\uff0c\u4e0d\u5b89\u5168\u7684\u6587\u5b57\u3002\u540c\u65f68255\u7684PB0-PB7\u811a\u4e5f\u8f93\u51fa\u8fc7\u8f7d\u7684\u4fe1\u53f7\uff0c\u7531A0\u4e00A7\u811a\u8f93\u5165\u5230ISD2560\u5185\u90e8\uff0cISD2560\u4ece\u5b58\u50a8\u5668\u4e2d\u8c03\u51fa\u8fc7\u8f7d\uff0c\u4e0d\u5b89\u5168\u7684\u8bed\u97f3\u4fe1\u53f7\uff0c\u7531ISD2560\u768414\uff0c15\u811a\u8f93\u51fa\uff0c\u4e8e\u662f\uff0c\u626c\u58f0\u5668\u5668\u8fde\u7eed\u53d1\u51fa\u4e94\u53e5“\u8fc7\u8f7d\uff0c\u4e0d\u5b89\u5168”\u7684\u58f0\u97f3\u3002<\/p>\n

\n\t\u5f53\u8fc7\u8f7d\u8d85\u8fc7\u989d\u5b9a5%\u5c31\u5f00\u59cb\u8fdb\u884c\u5b89\u5168\u63d0\u793a\uff0c\u5206\u4e94\u4e2a\u7ea7\u522b\u63d0\u793a\uff08\u6bcf\u4e2a\u7ea7\u5dee\u4e3alO%\uff09\uff0c\u6700\u9ad8\u4e3a145%\uff0c\u5f53\u8fc7\u8f7d\u4e0d\u662f\u5f88\u591a\uff0c\u53ea\u662f\u8bed\u97f3\u548c\u6587\u5b57\u63d0\u793a\uff0c\u4f46\u6ca1\u6709\u5207\u65ad\u7535\u6e90\uff0c\u5982\u679c\u8fc7\u8f7d\u975e\u5e38\u4e25\u91cd\uff08\u5982145%\uff0c\u6b64\u65f6\u96c6\u6210\u7535\u8defTA7666\u76847\u811a\u9ad8\u7535\u5e73\u53d8\u4e3a\u4f4e\u7535\u5e73\u3002805l\u5355\u7247\u673a\u7684\u63a7\u5236\u811a\u4e3a\u9ad8\u7535\u5e73\uff0cVD2\u5bfc\u901a\uff0c\u4fdd\u62a4\u4eea\u5668\u4e0d\u53d7\u635f\u574f\u3002\u7535\u8def\u56fe\u4e2d\u7684\u82af\u7247\u7684IO\u53e3P26\u811a\u83b7\u5f97\u4f4e\u7535\u5e73\u8f93\u5165\uff09\uff0c\u7531\u7528\u7535\u4fdd\u62a4\u7535\u8def\u539f\u7406\u56fe3\u53ef\u89c1\uff0c\u4e0e\u95e8\u7535\u8defU8\u7684\u8f93\u4eba\u4e3a\u4f4e\u7535\u5e73\uff0c\u8f93\u51fa\u4e5f\u4e3a\u4f4e\u7535\u5e73\uff0c\u63a7\u5236\u7ba1Q1\u5bfc\u901a\uff0c\u7535\u78c1\u5f00\u5173\u6709\u7535\u6d41\u901a\u8fc7\u800c\u8df3\u95f8\u3002<\/p>\n

\n\t<\/p>\n

\n\t\u56fe3 \u8d85\u538b\u6545\u969c\u4fe1\u53f7\u4f20\u8f93\u539f\u7406\u56fe<\/p>\n

\n\t\u5f53\u8d1f\u8f7d\u77ed\u8def\u65f6\uff0c\u7535\u7ebf\u7535\u6d41\u7a81\u7136\u5347\u5f97\u5f88\u5927\uff0c\u78c1\u611f\u7ebf\u5708\u7684\u611f\u5e94\u7535\u538b\u4e5f\u5f88\u9ad8\uff0c\u8fd9\u4f1a\u70e7\u6bc1\u5bb6\u5ead\u7528\u7535\u6545\u969c\u63d0\u793a\u5668\u3002\u4e3a\u4e86\u9632\u6b62\u8fd9\u79cd\u60c5\u51b5\u53d1\u751f\uff0c\u4eea\u5668\u4e0a\u8bbe\u8ba1\u6709\u4e24\u4e2a\u4fdd\u9669\u4e1d\uff0c\u540c\u65f6\u4eea\u5668\u4e0a\u8fd8\u8bbe\u8ba1\u6709\u4e24\u4e2a\u8d85\u538b\u4fdd\u62a4\u7535\u8def\u3002\u77ed\u8def\u6545\u969c\u53d1\u751f\u65f6\uff0cTA7666\u76847\u811a\u4e3a\u4f4e\u7535\u5e73\uff0c\u7ecf\u95e8\u7535\u8def\u4f7f\u4fdd\u62a4\u4e8c\u6781\u7ba1\u7684\u63a7\u5236\u7aef\u4e3a\u9ad8\u7535\u5e73\u3002\u4e8e\u662f\u4e8c\u6781\u7ba1\u77ed\u8def\u5bfc\u901a\u3002\u786e\u4fdd\u4eea\u5668\u5b89\u5168\u3002<\/p>\n

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