{"id":2464,"date":"2019-05-22T00:57:44","date_gmt":"2019-05-22T00:57:44","guid":{"rendered":""},"modified":"2019-05-22T08:58:03","modified_gmt":"2019-05-22T00:58:03","slug":"51%e5%8d%95%e7%89%87%e6%9c%ba%e7%9a%84%e5%a4%8d%e4%bd%8d%e6%93%8d%e4%bd%9c%e6%96%b9%e6%b3%95%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=2464","title":{"rendered":"51\u5355\u7247\u673a\u7684\u590d\u4f4d\u64cd\u4f5c\u65b9\u6cd5\u89e3\u6790"},"content":{"rendered":"
\n\t\u5355\u7247\u673a<\/u>\u7684\u65f6\u949f<\/u>\u4fe1\u53f7\u7528\u6765\u63d0\u4f9b\u5355\u7247\u673a\u7247\u5185\u5404\u79cd\u5fae\u64cd\u4f5c\u7684\u65f6\u95f4\u57fa\u51c6\uff0c\u590d\u4f4d\u64cd\u4f5c\u5219\u4f7f\u5355\u7247\u673a\u7684\u7247\u5185\u7535\u8def<\/u>\u521d\u59cb\u5316\uff0c\u4f7f\u5355\u7247\u673a\u4ece\u4e00\u79cd\u786e\u5b9a\u7684\u521d\u6001\u5f00\u59cb\u8fd0\u884c\u3002<\/p>\n
\n\t\u65f6\u949f\u7535\u8def\uff1a<\/p>\n
\n\t8031\u5355\u7247\u673a\u7684\u65f6\u949f\u4fe1\u53f7\u901a\u5e38\u7528\u4e24\u79cd\u7535\u8def\u5f62\u5f0f\u5f97\u5230\uff1a\u5185\u90e8\u632f\u8361\u65b9\u5f0f\u548c\u5916\u90e8\u632f\u8361\u65b9\u5f0f\u3002<\/p>\n
\n\t\u5728\u5f15\u811aXTAL1\u548cXTAL2\u5916\u63a5\u6676\u4f53\u632f\u8361\u5668<\/u>\uff08\u7b80\u79f0\u6676\u632f\uff09\u6216\u9676\u74f7\u8c10\u632f\u5668<\/u>\uff0c\u5c31\u6784\u6210\u4e86\u5185\u90e8\u632f\u8361\u65b9\u5f0f\u3002\u7531\u4e8e\u5355\u7247\u673a\u5185\u90e8\u6709\u4e00\u4e2a\u9ad8\u589e\u76ca\u53cd\u76f8\u653e\u5927\u5668<\/u>\uff0c\u5f53\u5916\u63a5\u6676\u632f\u540e\uff0c\u5c31\u6784\u6210\u4e86\u81ea\u6fc0\u632f\u8361\u5668\u5e76\u4ea7\u751f\u632f\u8361\u65f6\u949f\u8109\u51b2\u3002\u5185\u90e8\u632f\u8361\u65b9\u5f0f\u7684\u5916\u90e8\u7535\u8def\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n
\n\t\u56fe\u4e2d\uff0c\u7535\u5bb9\u5668<\/u>Col\uff0cC02\u8d77\u7a33\u5b9a\u632f\u8361\u9891\u7387\u3001\u5feb\u901f\u8d77\u632f\u7684\u4f5c\u7528\uff0c\u5176\u7535\u5bb9<\/u>\u503c\u4e00\u822c\u57285-30pF\u3002\u6676\u632f\u9891\u7387\u7684\u5178\u578b\u503c\u4e3a12MH2\uff0c\u91c7\u75286MHz\u7684\u60c5\u51b5\u4e5f\u6bd4\u8f83\u591a\u3002\u5185\u90e8\u632f\u8361\u65b9\u5f0f\u6240\u5f97\u7684\u65f6\u949f\u60c5\u53f7\u6bd4\u8f83\u7a33\u5b9a\uff0c\u5b9e\u7528\u7535\u8def\u4e2d\u4f7f\u7528\u8f83\u591a\u3002<\/p>\n
\n\t\u5916\u90e8\u632f\u8361\u65b9\u5f0f\u662f\u628a\u5916\u90e8\u5df2\u6709\u7684\u65f6\u949f\u4fe1\u53f7\u5f15\u5165\u5355\u7247\u673a\u5185\u3002\u8fd9\u79cd\u65b9\u5f0f\u9002\u5b9c\u7528\u6765\u4f7f\u5355\u7247\u673a\u7684\u65f6\u949f\u4e0e\u5916\u90e8\u4fe1\u53f7\u4fdd\u6301\u540c\u6b65\u3002\u5916\u90e8\u632f\u8361\u65b9\u5f0f\u7684\u5916\u90e8\u7535\u8def\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n
\n\t<\/p>\n
\n\t\u7531\u4e0a\u56fe\u53ef\u89c1\uff0c\u5916\u90e8\u632f\u8361\u4fe1\u53f7\u7531XTAL2\u5f15\u5165\uff0cXTAL1\u63a5\u5730\u3002\u4e3a\u4e86\u63d0\u9ad8\u8f93\u5165\u7535\u8def\u7684\u9a71\u529d\u80fd\u529b\uff0c\u901a\u5e38\u4f7f\u5916\u90e8\u4fe1\u53f7\u7ecf\u8fc7\u4e00\u4e2a\u5e26\u6709\u4e0a\u62c9\u7535\u963b<\/u>\u7684TTL\u53cd\u76f8\u95e8\u540e\u63a5\u5165XTAL2\u3002<\/p>\n
\n\t\u57fa\u672c\u65f6\u5e8f\u5355\u4f4d\uff1a<\/p>\n
\n\t\u5355\u7247\u673a\u4ee5\u6676\u4f53\u632f\u8361\u5668\u7684\u632f\u8361\u5468\u671f\uff08\u6216\u5916\u90e8\u5f15\u5165\u7684\u65f6\u949f\u5468\u671f\uff09\u4e3a\u6700\u5c0f\u7684\u65f6\u5e8f\u5355\u4f4d\uff0c\u7247\u5185\u7684\u5404\u79cd\u5fae\u64cd\u4f5c\u90fd\u4ee5\u6b64\u5468\u671f\u4e3a\u65f6\u5e8f\u57fa\u51c6\u3002<\/p>\n
\n\t\u632f\u8361\u9891\u7387\u4e8c\u5206\u9891\u540e\u5f62\u6210\u72b6\u6001\u5468\u671f\u6216\u79f0s\u5468\u671f\uff0c\u6240\u4ee5\uff0c1\u4e2a\u72b6\u6001\u5468\u671f\u5305\u542b\u67092\u4e2a\u632f\u8361\u5468\u671f\u3002\u632f\u8361\u9891\u7387foscl2\u5206\u9891\u540e\u5f62\u6210\u673a\u5668\u5468\u671fMC\u3002\u6240\u4ee5\uff0c1\u4e2a\u673a\u5668\u5468\u671f\u5305\u542b\u67096\u4e2a\u72b6\u6001\u5468\u671f\u621612\u4e2a\u632f\u8361\u5468\u671f\u30021\u4e2a\u52304\u4e2a\u673a\u5668\u5468\u671f\u786e\u5b9a\u4e00\u6761\u6307\u4ee4\u7684\u6267\u884c\u65f6\u95f4\uff0c\u8fd9\u4e2a\u65f6\u95f4\u5c31\u662f\u6307\u4ee4\u5468\u671f\u30028031\u5355\u7247\u673a\u6307\u4ee4\u7cfb\u7edf\u4e2d\uff0c\u5404\u6761\u6307\u4ee4\u7684\u6267\u884c\u65f6\u95f4\u90fd\u57281\u4e2a\u52304\u4e2a\u673a\u5668\u5468\u671f\u4e4b\u95f4\u3002<\/p>\n
\n\t4\u79cd\u65f6\u5e8f\u5355\u4f4d\u4e2d\uff0c\u632f\u8361\u5468\u671f\u548c\u673a\u5668\u5468\u671f\u662f\u5355\u7247\u673a\u5185\u8ba1\u7b97\u5176\u5b83\u65f6\u95f4\u503c\uff08\u4f8b\u5982\uff0c\u6ce2\u7279\u7387\u3001\u5b9a\u65f6\u5668<\/u>\u7684\u5b9a\u65f6\u65f6\u95f4\u7b49\uff09\u7684\u57fa\u672c\u65f6\u5e8f\u5355\u4f4d\u3002\u4e0b\u9762\u662f\u5355\u7247\u673a\u5916\u63a5\u6676\u632f\u9891\u738712MHZ\u65f6\u7684\u5404\u79cd\u65f6\u5e8f\u5355\u4f4d\u7684\u5927\u5c0f\uff1a<\/p>\n
\n\t\u632f\u8361\u5468\u671f\uff1d1\/fosc=1\/12MHZ=0.0833us<\/p>\n
\n\t<\/p>\n
\n\t\u590d\u4f4d\u7535\u8def\uff1a<\/p>\n
\n\t\u5f53MCS-5l\u7cfb\u5217\u5355\u7247\u673a\u7684\u590d\u4f4d\u5f15\u811aRS<\/u>T\uff08\u5168\u79f0RESET\uff09\u51fa\u73b02\u4e2a\u673a\u5668\u5468\u671f\u4ee5\u4e0a\u7684\u9ad8\u7535\u5e73\u65f6\uff0c\u5355\u7247\u673a\u5c31\u6267\u884c\u590d\u4f4d\u64cd\u4f5c\u3002\u5982\u679cRST\u6301\u7eed\u4e3a\u9ad8\u7535\u5e73\uff0c\u5355\u7247\u673a\u5c31\u5904\u4e8e\u5faa\u73af\u590d\u4f4d\u72b6\u6001\u3002<\/p>\n
\n\t\u6839\u636e\u5e94\u7528\u7684\u8981\u6c42\uff0c\u590d\u4f4d\u64cd\u4f5c\u901a\u5e38\u6709\u4e24\u79cd\u57fa\u672c\u5f62\u5f0f\uff1a\u4e0a\u7535\u590d\u4f4d\u548c\u4e0a\u7535\u6216\u5f00\u5173\u590d\u4f4d\u3002<\/p>\n
\n\t\u4e0a\u7535\u590d\u4f4d\u8981\u6c42\u63a5\u901a\u7535\u6e90\u540e\uff0c\u81ea\u52a8\u5b9e\u73b0\u590d\u4f4d\u64cd\u4f5c\u3002\u5e38\u7528\u7684\u4e0a\u7535\u590d\u4f4d\u7535\u8def\u5982\u4e0b\u56feA\u4e2d\u5de6\u56fe\u6240\u793a\u3002\u56fe\u4e2d\u7535\u5bb9C1\u548c\u7535\u963bR1\u5bf9\u7535\u6e90\u53415V\u6765\u8bf4\u6784\u6210\u5fae\u5206\u7535\u8def\u3002\u4e0a\u7535\u540e\uff0c\u4fdd\u6301RST\u4e00\u6bb5\u9ad8\u7535\u5e73\u65f6\u95f4\uff0c\u7531\u4e8e\u5355\u7247\u673a\u5185\u7684\u7b49\u6548\u7535\u963b\u7684\u4f5c\u7528\uff0c\u4e0d\u7528\u56fe\u4e2d\u7535\u963bR1\uff0c\u4e5f\u80fd\u8fbe\u5230\u4e0a\u7535\u590d\u4f4d\u7684\u64cd\u4f5c\u529f\u80fd\uff0c\u5982\u4e0b\u56fe\uff08A\uff09\u4e2d\u53f3\u56fe\u6240\u793a\u3002<\/p>\n
\n\t<\/p>\n
\n\t\u4e0a\u7535\u6216\u5f00\u5173\u590d\u4f4d\u8981\u6c42\u7535\u6e90\u63a5\u901a\u540e\uff0c\u5355\u7247\u673a\u81ea\u52a8\u590d\u4f4d\uff0c\u5e76\u4e14\u5728\u5355\u7247\u673a\u8fd0\u884c\u671f\u95f4\uff0c\u7528\u5f00\u5173\u64cd\u4f5c\u4e5f\u80fd\u4f7f\u5355\u7247\u673a\u590d\u4f4d\u3002\u5e38\u7528\u7684\u4e0a\u7535\u6216\u5f00\u5173\u590d\u4f4d\u7535\u8def\u5982\u4e0a\u56fe\uff08B\uff09\u6240\u793a\u3002\u4e0a\u7535\u540e\uff0c\u7531\u4e8e\u7535\u5bb9C3\u7684\u5145\u7535\u548c\u53cd\u76f8\u95e8\u7684\u4f5c\u7528\uff0c\u4f7fRST\u6301\u7eed\u4e00\u6bb5\u65f6\u95f4\u7684\u9ad8\u7535\u5e73\u3002\u5f53\u5355\u7247\u673a\u5df2\u5728\u8fd0\u884c\u5f53\u4e2d\u65f6\uff0c\u6309\u4e0b\u590d\u4f4d\u952eK\u540e\u677e\u5f00\uff0c\u4e5f\u80fd\u4f7fRST\u4e3a\u4e00\u6bb5\u65f6\u95f4\u7684\u9ad8\u7535\u5e73\uff0c\u4ece\u800c\u5b9e\u73b0\u4e0a\u7535\u6216\u5f00\u5173\u590d\u4f4d\u7684\u64cd\u4f5c\u3002<\/p>\n
\n\t\u6839\u636e\u5b9e\u9645\u64cd\u4f5c\u7684\u7ecf\u9a8c\uff0c\u4e0b\u9762\u7ed9\u51fa\u8fd9\u4e24\u79cd\u590d\u4f4d\u7535\u8def\u7684\u7535\u5bb9\u3001\u7535\u963b\u53c2\u8003\u503c\u3002<\/p>\n
\n\t\u4e0a\u56fe\uff08A\uff09\u4e2d\uff1aCl\uff1d10-30uF\uff0cR1\uff1d1kO<\/p>\n
\n\t\u4e0a\u56fe1\uff0e27\uff08B\uff09\u4e2d\uff1aC\uff1a\uff1d1uF\uff0cRl\uff1dlkO\uff0cR2\uff1d10kO<\/p>\n
\n\t\u5355\u7247\u673a\u590d\u4f4d\u540e\u7684\u72b6\u6001\uff1a<\/p>\n
\n\t\u5355\u7247\u673a\u7684\u590d\u4f4d\u64cd\u4f5c\u4f7f\u5355\u7247\u673a\u8fdb\u5165\u521d\u59cb\u5316\u72b6\u6001\uff0c\u5176\u4e2d\u5305\u62ec\u4f7f\u7a0b\u5e8f\u8ba1\u6570\u5668PC\uff1d0000H\uff0c\u8fd9\u8868\u660e\u7a0b\u5e8f\u4ece0000H\u5730\u5740\u5355\u5143\u5f00\u59cb\u6267\u884c\u3002\u5355\u7247\u673a\u51b7\u542f\u52a8\u540e\uff0c\u7247\u5185RAM<\/u>\u4e3a\u968f\u673a\u503c\uff0c\u8fd0\u884c\u4e2d\u7684\u590d\u4f4d\u64cd\u4f5c\u4e0d\u6539\u53d8\u7247\u5185RAM\u533a\u4e2d\u7684\u5185\u5bb9\uff0c21\u4e2a\u7279\u6b8a\u529f\u80fd\u5bc4\u5b58\u5668<\/u>\u590d\u4f4d\u540e\u7684\u72b6\u6001\u4e3a\u786e\u5b9a\u503c\uff0c\u89c1\u4e0b\u8868\u3002<\/p>\n
\n\t\u503c\u5f97\u6307\u51fa\u7684\u662f\uff0c\u8bb0\u4f4f\u4e00\u4e9b\u7279\u6b8a\u529f\u80fd\u5bc4\u5b58\u5668\u590d\u4f4d\u540e\u7684\u4e3b\u8981\u72b6\u6001\uff0c\u5bf9\u4e8e\u4e86\u89e3\u5355\u7247\u673a\u7684\u521d\u6001\uff0c\u51cf\u5c11\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u97e7\u59cb\u5316\u90e8\u5206\u662f\u5341\u5206\u5fc5\u8981\u7684\u3002<\/p>\n
\n\t\u8bf4\u660e\uff1a\u8868\u4e2d\u7b26\u53f7*\u4e3a\u968f\u673a\u72b6\u6001\uff1b<\/p>\n
\n\tA\uff1d00H\uff0c\u8868\u660e\u7d2f\u52a0\u5668\u5df2\u88ab\u6e05\u96f6\uff1b<\/p>\n
\n\t\u7279\u6b8a\u529f\u80fd\u5bc4\u5b58\u5668\u521d\u59cb\u72b6\u6001\u7279\u6b8a\u529f\u80fd\u5bc4\u5b58\u5668\u521d\u59cb\u72b6\u6001A00HTMOD00HB00HTCON00HPSW00HTH000HSP07HTL000HDPL00HTH100HDPH00HTL100HP0~P3FFHSBUF\u4e0d\u5b9a<\/p>\n
\t IP***00000BSCON00HIE0**00000BPCON0*******B<\/p>\n
\n\tPSW\uff1d00H\uff0c\u8868\u660e\u9009\u5bc4\u5b58\u56680\u7ec4\u4e3a\u5de5\u4f5c\u5bc4\u5b58\u5668\u7ec4\uff1b<\/p>\n
\n\tSP\uff1d07H\uff0c\u8868\u660e\u5806\u6808\u6307\u9488\u6307\u5411\u7247\u5185RAM 07H\u5b57\u8282\u5355\u5143\uff0c\u6839\u636e\u5806\u6808\u64cd\u4f5c\u7684\u5148\u52a0\u540e\u538b\u6cd5\u5219\uff0c\u7b2c\u4e00\u4e2a\u88ab\u538b\u5165\u7684\u5185\u5bb9\u5199\u5165\u523008H\u5355\u5143\u4e2d\uff1b<\/p>\n
\n\tPo-P3\uff1dFFH\uff0c\u8868\u660e\u5df2\u5411\u5404\u7aef\u53e3\u7ebf\u5199\u51651\uff0c\u6b64\u65f6\uff0c\u5404\u7aef\u53e3\u65e2\u53ef\u7528\u4e8e\u8f93\u5165\u53c8\u53ef\u7528\u4e8e\u8f93\u51fa\uff1b<\/p>\n
\n\tIP\uff1d×××00000B\uff0c\u8868\u660e\u5404\u4e2a\u4e2d\u65ad\u6e90\u5904\u4e8e\u4f4e\u4f18\u5148\u7ea7\uff1b<\/p>\n
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