{"id":2792,"date":"2019-09-10T08:37:42","date_gmt":"2019-09-10T08:37:42","guid":{"rendered":""},"modified":"2019-09-10T16:38:00","modified_gmt":"2019-09-10T08:38:00","slug":"pic%e7%b3%bb%e5%88%97%e5%8d%95%e7%89%87%e6%9c%ba%e7%9a%84%e4%bc%98%e5%8a%bf%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=2792","title":{"rendered":"PIC\u7cfb\u5217\u5355\u7247\u673a\u7684\u4f18\u52bf\u662f\u4ec0\u4e48"},"content":{"rendered":"

\n\t\u4e00\u3001\u5f15\u8a00<\/p>\n

\n\t\u636e\u7edf\u8ba1\uff0c\u6211\u56fd\u7684\u5355\u7247\u673a<\/u>\u5e74\u5bb9\u91cf\u5df2\u8fbe1\uff0d3\u4ebf\u7247\uff0c\u4e14\u6bcf\u5e74\u4ee5\u5927\u7ea616%\u7684\u901f\u5ea6\u589e\u957f\uff0c\u4f46\u76f8\u5bf9\u4e8e\u4e16\u754c\u5e02\u573a\u6211\u56fd\u7684\u5360\u6709\u7387\u8fd8\u4e0d\u52301%\u3002\u8fd9\u8bf4\u660e\u5355\u7247\u673a\u5e94\u7528\u5728\u6211\u56fd\u624d\u521a\u521a\u8d77\u6b65\uff0c\u6709\u7740\u5e7f\u9614\u7684\u524d\u666f\u3002\u57f9\u517b\u5355\u7247\u673a\u5e94\u7528\u4eba\u624d\uff0c\u7279\u522b\u662f\u5728\u5de5\u7a0b\u6280\u672f\u4eba\u5458\u4e2d\u666e\u53ca\u5355\u7247\u673a\u77e5\u8bc6\u6709\u7740\u91cd\u8981\u7684\u73b0\u5b9e\u610f\u4e49\u3002<\/p>\n

\n\t <\/div>\n

\n\t\u5f53\u4eca\u5355\u7247\u673a\u5382\u5546\u7433\u7405\u6ee1\u76ee\uff0c\u4ea7\u54c1\u6027\u80fd\u5404\u5f02\u3002\u9488\u5bf9\u5177\u4f53\u60c5\u51b5\uff0c\u6211\u4eec\u5e94\u9009\u4f55\u79cd\u578b\u53f7\u5462\uff1f\u9996\u5148\uff0c\u6211\u4eec\u6765\u5f04\u6e05\u4e24\u4e2a\u6982\u5ff5\uff1a\u96c6\u4e2d\u6307\u4ee4\u96c6\uff08CISC\uff09\u548c\u7cbe\u7b80\u6307\u4ee4\u96c6\uff08RISC<\/u>\uff09\u3002\u91c7\u7528CISC\u7ed3\u6784\u7684\u5355\u7247\u673a\u6570\u636e\u7ebf\u548c\u6307\u4ee4\u7ebf\u5206\u65f6\u590d\u7528\uff0c\u5373\u6240\u8c13\u51af.\u8bfa\u4f0a\u66fc\u7ed3\u6784\u3002\u5b83\u7684\u6307\u4ee4\u4e30\u5bcc\uff0c\u529f\u80fd\u8f83\u5f3a\uff0c\u4f46\u53d6\u6307\u4ee4\u548c\u53d6\u6570\u636e\u4e0d\u80fd\u540c\u65f6\u8fdb\u884c\uff0c\u901f\u5ea6\u53d7\u9650\uff0c\u4ef7\u683c\u4ea6\u9ad8\u3002\u91c7\u7528RISC\u7ed3\u6784\u7684\u5355\u7247\u673a\u6570\u636e\u7ebf\u548c\u6307\u4ee4\u7ebf\u5206\u79bb\uff0c\u5373\u6240\u8c13\u54c8\u4f5b\u7ed3\u6784\u3002\u8fd9\u4f7f\u5f97\u53d6\u6307\u4ee4\u548c\u53d6\u6570\u636e\u53ef\u540c\u65f6\u8fdb\u884c\uff0c\u4e14\u7531\u4e8e\u4e00\u822c\u6307\u4ee4\u7ebf\u5bbd<\/u>\u4e8e\u6570\u636e\u7ebf\uff0c\u4f7f\u5176\u6307\u4ee4\u8f83\u540c\u7c7bCISC\u5355\u7247\u673a\u6307\u4ee4\u5305\u542b\u66f4\u591a\u7684\u5904\u7406\u4fe1\u606f\uff0c\u6267\u884c\u6548\u7387\u66f4\u9ad8\uff0c\u901f\u5ea6\u4ea6\u66f4\u5feb\u3002\u540c\u65f6\uff0c\u8fd9\u79cd\u5355\u7247\u673a\u6307\u4ee4\u591a\u4e3a\u5355\u5b57\u8282\uff0c\u7a0b\u5e8f\u5b58\u50a8\u5668<\/u>\u7684\u7a7a\u95f4\u5229\u7528\u7387\u5927\u5927\u63d0\u9ad8\uff0c\u6709\u5229\u4e8e\u5b9e\u73b0\u8d85\u5c0f\u578b\u5316\u3002\u5c5e\u4e8eCISC\u7ed3\u6784\u7684\u5355\u7247\u673a\u6709Intel<\/u>8051\u7cfb\u5217\u3001Motorola\u548cM68HC\u7cfb\u5217\u3001Atmel<\/u>\u7684AT89\u7cfb\u5217\u3001\u53f0\u6e7eWinbond(\u534e\u90a6)W78\u7cfb\u5217\u3001\u8377\u5170Pi<\/u>lips\u7684PCF80C51\u7cfb\u5217\u7b49\uff1b\u5c5e\u4e8eRISC\u7ed3\u6784\u7684\u6709MICroChip<\/u>\u516c\u53f8\u7684PIC\u7cfb\u5217\u3001Zilog\u7684Z86\u7cfb\u5217\u3001Atmel\u7684AT90S\u7cfb\u5217\u3001\u97e9\u56fd\u4e09\u661f<\/u>\u516c\u53f8\u7684KS57C\u7cfb\u52174\u4f4d\u5355\u7247\u673a\u3001\u53f0\u6e7e\u4e49\u9686\u7684EM-78\u7cfb\u5217\u7b49\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u63a7\u5236\u5173\u7cfb\u8f83\u7b80\u5355\u7684\u5c0f\u5bb6\u7535\uff0c\u53ef\u4ee5\u91c7\u7528RISC\u578b\u5355\u7247\u673a\uff1b\u63a7\u5236\u5173\u7cfb\u8f83\u590d\u6742\u7684\u573a\u5408\uff0c\u5982\u901a\u8baf\u4ea7\u54c1\u3001\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u5e94\u91c7\u7528CISC\u5355\u7247\u673a\u3002\u4e0d\u8fc7\uff0cRISC\u5355\u7247\u673a\u7684\u8fc5\u901f\u5b8c\u5584\uff0c\u4f7f\u5176\u4f7c\u4f7c\u8005\u5728\u63a7\u5236\u5173\u7cfb\u590d\u6742\u7684\u573a\u5408\u4e5f\u6beb\u4e0d\u900a\u8272\u3002
\n\t\u6839\u636e\u7a0b\u5e8f\u5b58\u50a8<\/u>\u65b9\u5f0f\u7684\u4e0d\u540c\uff0c\u5355\u7247\u673a\u53ef\u5206\u4e3aEPROM<\/u>\u3001OTP\uff08\u4e00\u6b21\u53ef\u7f16\u7a0b\uff09\u3001QTP\uff08\u63a9\u819c\uff09\u4e09\u79cd\u3002\u6211\u56fd\u4e00\u5f00\u59cb\u90fd\u91c7\u7528ROMless\u578b\u5355\u7247\u673a\uff08\u7247\u5185\u65e0ROM\uff0c\u9700\u7247\u5916\u914dEPROM\uff09\uff0c\u5bf9\u5355\u7247\u673a\u7684\u666e\u53ca\u8d77\u4e86\u5f88\u5927\u4f5c\u7528\uff0c\u4f46\u8fd9\u79cd\u5f3a\u8c03\u63a5\u53e3<\/u>\u7684\u5355\u7247\u673a\u65e0\u6cd5\u5e7f\u6cdb\u5e94\u7528\uff0c\u751a\u81f3\u8d70\u5165\u4e86\u8bef\u533a\u3002\u5982\u5355\u7247\u673a\u7684\u5e94\u7528\u4e00\u5473\u5f3a\u8c03\u63a5\u53e3\uff0c\u5916\u63a5I\/O<\/u>\u53ca\u5b58\u50a8\u5668\uff0c\u4fbf\u5931\u53bb\u4e86\u5355\u7247\u673a\u7684\u7279\u8272\u3002\u76ee\u524d\u5355\u7247\u673a\u5927\u90fd\u5c06\u7a0b\u5e8f\u5b58\u50a8\u4f53\u7f6e\u4e8e\u5176\u5185\uff0c\u7ed9\u5e94\u7528\u5e26\u6765\u4e86\u6781\u5927\u7684\u65b9\u4fbf\u3002\u503c\u5f97\u4e00\u63d0\u7684\u662f\uff0c\u4ee5\u5f80OTP\u578b\u5355\u7247\u673a\u7684\u4ef7\u683c\u662fQTP\u76843\u500d\uff0c\u800c\u73b0\u5728\u5df2\u964d\u81f31.5\uff0d1.2\u500d\uff0c\u9009\u7528OTP\u578b\u4ee5\u514d\u8ba2\u8d27\u5468\u671f\u3001\u6279\u91cf\u7684\u9ebb\u70e6\u662f\u53ef\u53d6\u7684\u3002<\/p>\n

\n\t\"PIC\u7cfb\u5217\u5355\u7247\u673a\u7684\u4f18\u52bf\u662f\u4ec0\u4e48\"
\n\t <\/p>\n

\n\t\u4e8c\u3001PIC\u7cfb\u5217\u5355\u7247\u673a\u6709\u4ec0\u4e48\u4f18\u52bf\uff1f<\/p>\n

\n\t\u81ea\u4ece\u621195\u5e74\u63a5\u89e6PIC\u5355\u7247\u673a\u4ee5\u6765\uff0c\u4fbf\u4e00\u76f4\u70ed\u8877\u4e8e\u8fd9\u79cd\u5355\u7247\u673a\u7684\u5f00\u53d1\u4e0e\u5e94\u7528\u3002\u6709\u4e0d\u5c11\u670b\u53cb\u95ee\u6211\uff1aPIC\u5230\u5e95\u6709\u4ec0\u4e48\u4f18\u52bf\uff1f\u4e5f\u8bb8\u4f60\u4e5f\u4f1a\u6709\u8fd9\u6837\u7684\u7591\u95ee\uff0c\u6240\u4ee5\u6211\u5728\u8fd9\u91cc\u7565\u8c08\u51e0\u70b9\u81ea\u5df1\u7684\u770b\u6cd5\u3002<\/p>\n

\t        PIC\u6700\u5927\u7684\u7279\u70b9\u662f\u4e0d\u641e\u5355\u7eaf\u7684\u529f\u80fd\u5806\u79ef\uff0c\u800c\u662f\u4ece\u5b9e\u9645\u51fa\u53d1\uff0c\u91cd\u89c6\u4ea7\u54c1\u7684\u6027\u80fd\u4e0e\u4ef7\u683c\u6bd4\uff0c\u9760\u53d1\u5c55\u591a\u79cd\u578b\u53f7\u6765\u6ee1\u8db3\u4e0d\u540c\u5c42\u6b21\u7684\u5e94\u7528\u8981\u6c42\u3002\u5c31\u5b9e\u9645\u800c\u8a00\uff0c\u4e0d\u540c\u7684\u5e94\u7528\u5bf9\u5355\u7247\u673a\u529f\u80fd\u548c\u8d44\u6e90\u7684\u9700\u6c42\u4e5f\u662f\u4e0d\u540c\u7684\u3002\u6bd4\u5982\uff0c\u4e00\u4e2a\u6469\u6258\u8f66\u7684\u70b9\u706b\u5668\u9700\u8981\u4e00\u4e2aI\/O\u8f83\u5c11\u3001RAM<\/u>\u53ca\u7a0b\u5e8f\u5b58\u50a8\u7a7a\u95f4\u4e0d\u5927\u3001\u53ef\u9760\u6027\u8f83\u9ad8\u7684\u5c0f\u578b\u5355\u7247\u673a\uff0c\u82e5\u91c7\u752840\u811a\u4e14\u529f\u80fd\u5f3a\u5927\u7684\u5355\u7247\u673a\uff0c\u6295\u8d44\u5927\u4e0d\u8bf4\uff0c\u4f7f\u7528\u8d77\u6765\u4e5f\u4e0d\u65b9\u4fbf\u3002PIC\u7cfb\u5217\u4ece\u4f4e\u5230\u9ad8\u6709\u51e0\u5341\u4e2a\u578b\u53f7\uff0c\u53ef\u4ee5\u6ee1\u8db3\u5404\u79cd\u9700\u8981\u3002\u5176\u4e2d\uff0cPIC12C508\u5355\u7247\u673a\u4ec5\u67098\u4e2a\u5f15\u811a\uff0c\u662f\u4e16\u754c\u4e0a\u6700\u5c0f\u7684\u5355\u7247\u673a\uff0c<\/p>\n

\n\t\u8be5\u578b\u53f7\u6709512\u5b57\u8282ROM\u300125\u5b57\u8282RAM\u3001\u4e00\u4e2a8\u4f4d\u5b9a\u65f6\u5668<\/u>\u3001\u4e00\u6839\u8f93\u5165\u7ebf\u30015\u6839I\/O\u7ebf\uff0c\u5e02\u9762\u552e\u4ef7\u57283\uff0d6\u5143\u4eba\u4eba\u6c11\u5e01\u3002\u8fd9\u6837\u4e00\u6b3e\u5355\u7247\u673a\u5728\u8c61\u6469\u6258\u8f66\u70b9\u706b\u5668\u8fd9\u6837\u7684\u5e94\u7528\u65e0\u7591\u662f\u975e\u5e38\u9002\u5408\u3002PIC\u7684\u9ad8\u6863\u578b\u53f7\uff0c\u5982PIC16C74\uff08\u5c1a\u4e0d\u662f\u6700\u9ad8\u6863\u578b\u53f7\uff09\u670940\u4e2a\u5f15\u811a\uff0c\u5176\u5185\u90e8\u8d44\u6e90\u4e3aROM\u51714K\u3001192\u5b57\u8282RAM\u30018\u8defA\/D\u30013\u4e2a8\u4f4d\u5b9a\u65f6\u5668\u30012\u4e2aCCP\u6a21\u5757\u3001\u4e09\u4e2a\u4e32\u884c\u53e3\u30011\u4e2a\u5e76\u884c\u53e3\u300111\u4e2a\u4e2d\u65ad\u6e90\u300133\u4e2aI\/O\u811a\u3002\u8fd9\u6837\u4e00\u4e2a\u578b\u53f7\u53ef\u4ee5\u548c\u5176\u5b83\u54c1\u724c\u7684\u9ad8\u6863\u578b\u53f7\u5ab2\u7f8e\u3002<\/p>\n

\n\t2) \u7cbe\u7b80\u6307\u4ee4\u4f7f\u5176\u6267\u884c\u6548\u7387\u5927\u4e3a\u63d0\u9ad8\u3002PIC\u7cfb\u52178\u4f4dCMOS\u5355\u7247\u673a\u5177\u6709\u72ec\u7279\u7684RISC\u7ed3\u6784\uff0c\u6570\u636e\u603b\u7ebf\u548c\u6307\u4ee4\u603b\u7ebf\u5206\u79bb\u7684\u54c8\u4f5b\u603b\u7ebf\uff08Harvard\uff09\u7ed3\u6784\uff0c\u4f7f\u6307\u4ee4\u5177\u6709\u5355\u5b57\u957f\u7684\u7279\u6027\uff0c\u4e14\u5141\u8bb8\u6307\u4ee4\u7801\u7684\u4f4d\u6570\u53ef\u591a\u4e8e8\u4f4d\u7684\u6570\u636e\u4f4d\u6570\uff0c\u8fd9\u4e0e\u4f20\u7edf\u7684\u91c7\u7528CISC\u7ed3\u6784\u76848\u4f4d\u5355\u7247\u673a\u76f8\u6bd4\uff0c\u53ef\u4ee5\u8fbe\u52302:1\u7684\u4ee3\u7801\u538b\u7f29\uff0c\u901f\u5ea6\u63d0\u9ad84\u500d\u3002<\/p>\n

\n\t3) \u4ea7\u54c1\u4e0a\u5e02\u96f6\u7b49\u5f85\uff08Zero ti<\/u>me to market\uff09\u3002\u91c7\u7528PIC\u7684\u4f4e\u4ef7OTP\u578b\u82af\u7247\uff0c\u53ef\u4f7f\u5355\u7247\u673a\u5728\u5176\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u5b8c\u6210\u540e\u7acb\u523b\u4f7f\u8be5\u4ea7\u54c1\u4e0a\u5e02\u3002<\/p>\n

\n\t4) PIC\u6709\u4f18\u8d8a\u5f00\u53d1\u73af\u5883\u3002OTP\u5355\u7247\u673a\u5f00\u53d1\u7cfb\u7edf\u7684\u5b9e\u65f6\u6027\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u6307\u6807\uff0c\u8c61\u666e\u901a51\u5355\u7247\u673a\u7684\u5f00\u53d1\u7cfb\u7edf\u5927\u90fd\u91c7\u7528\u9ad8\u6863\u578b\u53f7\u4eff\u771f\u4f4e\u6863\u578b\u53f7\uff0c\u5176\u5b9e\u65f6\u6027\u4e0d\u5c3d\u7406\u60f3\u3002PIC\u5728\u63a8\u51fa\u4e00\u6b3e\u65b0\u578b\u53f7\u7684\u540c\u65f6\u63a8\u51fa\u76f8\u5e94\u7684\u4eff\u771f\u82af\u7247\uff0c\u6240\u6709\u7684\u5f00\u53d1\u7cfb\u7edf\u7531\u4e13\u7528\u7684\u4eff\u771f\u82af\u7247\u652f\u6301\uff0c\u5b9e\u65f6\u6027\u975e\u5e38\u597d\u3002\u5c31\u6211\u4e2a\u4eba\u7684\u7ecf\u9a8c\u770b\uff0c\u8fd8\u6ca1\u6709\u51fa\u73b0\u8fc7\u4eff\u771f\u7ed3\u679c\u4e0e\u5b9e\u9645\u8fd0\u884c\u7ed3\u679c\u4e0d\u540c\u7684\u60c5\u51b5\u3002<\/p>\n

\n\t5) \u5176\u5f15\u811a\u5177\u6709\u9632\u77ac\u6001\u80fd\u529b,\u901a\u8fc7\u9650\u6d41\u7535\u963b<\/u>\u53ef\u4ee5\u63a5\u81f3220V\u4ea4\u6d41\u7535\u6e90,\u53ef\u76f4\u63a5\u4e0e\u7ee7\u7535\u5668<\/u>\u63a7\u5236\u7535\u8def<\/u>\u76f8\u8fde,\u65e0\u987b\u5149\u7535\u8026\u5408\u5668<\/u>\u9694\u79bb\uff0c\u7ed9\u5e94\u7528\u5e26\u6765\u6781\u5927\u65b9\u4fbf\u3002<\/p>\n

\n\t6) \u5f7b\u5e95\u7684\u4fdd\u5bc6\u6027\u3002PIC\u4ee5\u4fdd\u5bc6\u7194\u4e1d\u6765\u4fdd\u62a4\u4ee3\u7801\uff0c\u7528\u6237\u5728\u70e7\u5165\u4ee3\u7801\u540e\u7194\u65ad\u7194\u4e1d\uff0c\u522b\u4eba\u518d\u4e5f\u65e0\u6cd5\u8bfb\u51fa\uff0c\u9664\u975e\u6062\u590d\u7194\u4e1d\u3002\u76ee\u524d\uff0cPIC\u91c7\u7528\u7194\u4e1d\u6df1\u57cb\u5de5\u827a\uff0c\u6062\u590d\u7194\u4e1d\u7684\u53ef\u80fd\u6027\u6781\u5c0f\u3002<\/p>\n

\n\t7) \u81ea\u5e26\u770b\u95e8\u72d7<\/u>\u5b9a\u65f6\u5668\uff0c\u53ef\u4ee5\u7528\u6765\u63d0\u9ad8\u7a0b\u5e8f\u8fd0\u884c\u7684\u53ef\u9760\u6027\u3002<\/p>\n

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