\n\t
\n\t![\"PIC\u5355\u7247\u673aRC\u632f\u8361\u5668\u7684\u4f7f\u7528\u53ca\u6821\u51c6\u65b9\u6cd5\"](\"http:\/\/www.szryc.com\/uploads\/allimg\/190314\/1F409C48-0.png\")
<\/p>\n
\n\t12C508A\u7684\u590d\u4f4d\u77e2\u91cf\u662f\u7a0b\u5e8f\u7684\u6700\u9ad8\u5b570x1FF\uff0c\u8fd9\u4e2a\u5b57\u8282\u751f\u4ea7\u5546\u5df2\u7ecf\u56fa\u5b9a\u7684\u70e7\u5199\u4e3aMOVLW 0xXX\uff0c\u6307\u4ee4\u6267\u884c\u540e\uff0cW\u5bc4\u5b58\u5668\u4e2d\u5373\u4e3a\u6821\u51c6\u503cXX\uff0c\u5f53\u6211\u4eec\u9700\u8981\u6821\u51c6\u65f6\uff0c\u90a3\u4e48\uff0c\u5728\u7d27\u63a5\u7740\u7684\u5730\u57400x0\u5e94\u8be5\u662f\u4e00\u6761\u8fd9\u6837\u7684\u6307\u4ee4\uff1aMOVWF OSCCAL\u3002\u63a5\u4e0b\u53bbRC\u632f\u8361\u5668\u5c31\u4f1a\u4ee5\u6807\u51c6\u7684\u632f\u8361\u9891\u7387\u8fd0\u884c\u4e86\u3002<\/p>\n
\n\t12F629\u7684\u6821\u51c6\u503c\u4e5f\u5b58\u653e\u5728\u6700\u9ad8\u5b57\uff0d\uff0d0x3FF\u4e2d\uff0c\u5185\u5bb9\u662fRETLW 0xXX\uff0c\u4f46\u5b83\u7684\u590d\u4f4d\u77e2\u91cf\u5374\u662f0x0\u3002\u8fd9\u6837\uff0c\u5728\u6211\u4eec\u9700\u8981\u6821\u51c6RC\u632f\u8361\u5668\u65f6\uff0c\u5728\u521d\u59cb\u5316\u8fc7\u7a0b\u4e2d\u8981\u52a0\u4e0a\u4e0b\u9762\u4e24\u53e5\uff1a<\/p>\n
\n\tCALL 0x3ff<\/p>\n
\n\tMOVWF OSCCAL<\/p>\n
\n\t\u5f53\u7136\uff0c\u4f60\u8fd8\u8981\u6ce8\u610f\u5bc4\u5b58\u5668\u7684\u5757\u9009\u62e9\u4f4d\u3002<\/p>\n
\n\t\u4ee5\u524d\uff0c\u6211\u5728\u505a\u9879\u76ee\u65f6\uff0c\u6ca1\u592a\u6ce8\u610f\u8fd9\u4e2a\u95ee\u9898\uff0c\u8fd9\u662f\u56e0\u4e3a\u5728\u4f7f\u752812C508A\u65f6\uff0cHI\uff0dTE<\/u>CH\u5728\u8fdb\u884c\u7f16\u8bd1\u65f6\u5df2\u7ecf\u5077\u5077\u5730\u66ff\u6211\u4eec\u505a\u4e86\u8fd9\u9879\u5de5\u4f5c\u3002\u5b83\u4f1a\u5728\u7a0b\u5e8f\u76840x0\u5904\u81ea\u52a8\u52a0\u4e00\u6761MOVWF OSCCAL\u3002\u752812F629\u505a\u63a5\u6536\u89e3\u7801\u4ee3\u66ff2272\u65f6\u4e5f\u6ca1\u53d1\u751f\u4ec0\u4e48\u95ee\u9898\uff0c\u4f46\u662f\u5728\u7528\u88ab\u5b83\u4f5c\u6eda\u52a8\u7801\u89e3\u7801\u5668\u65f6\u5374\u53d1\u73b0\u63a5\u6536\u8ddd\u79bb\u7684\u79bb\u6563\u6027\u5f88\u5927\u3002\u7ecf\u591a\u6b21\u8bd5\u9a8c\u7ec8\u4e8e\u627e\u51fa\u662f\u6ca1\u5bf9\u632f\u8361\u5668\u7684\u632f\u8361\u9891\u7387\u8fdb\u884c\u6821\u6b63\u6240\u81f3\u3002<\/p>\n
\n\t\u56e0\u6b64\uff0c\u9700\u8981\u53e6\u5916\u7f16\u5199\u7528\u4e8e\u6821\u6b63\u7684\u8bed\u53e5\uff0c\u6211\u7528\u4e86\u4e24\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u8fd9\u4e2a\u76ee\u7684\uff1a<\/p>\n
\n\t1\u3001\u7528\u5185\u5d4c\u6c47\u7f16\u7684\u5f62\u5f0f<\/p>\n
\n\t#asm \/\/\u6b64\u6bb5\u6c47\u7f16\u7a0b\u5e8f\u7528\u4e8e\u5c06\u4f4d\u4e8e\u7a0b\u5e8f\u6bb53FFH\u7684<\/p>\n
\n\tcall 3ffh \/\/\u5185\u90e8RC\u632f\u8361\u5668\u7684\u6821\u51c6\u503c\u653e\u5165\u6821\u51c6\u5bc4\u5b58\u5668\uff0c<\/p>\n
\n\tbsf _STATUS\uff0c5 \/\/\u5728\u8fdb\u884cC\u8bed\u8a00\u8c03\u8bd5\u65f6\u5e94\u5c4f\u853d\u8fd9\u6bb5\u7a0b\u5e8f<\/p>\n
\n\tmovwf _OSCCAL<\/p>\n
\n\t#endasm<\/p>\n
\n\t2\u3001\u7528C\u8bed\u8a00\u6807\u51c6\u5f62\u5f0f<\/p>\n
\n\tconst unsigned char cs @ 0x3ff; \/\/\u5728\u51fd\u6570\u4f53\u5916<\/p>\n
\n\t\u3002..<\/p>\n
\n\tOSCCAL=cs; \/\/\u4eff\u771f\u65f6\u5c4f\u853d\u6b64\u53e5<\/p>\n
\n\t\u7528\u8fd9\u4e24\u79cd\u65b9\u6cd5\u90fd\u6709\u4e00\u4e2a\u5c0f\u7f3a\u9677\uff0d\uff0d\u4eff\u771f\u65f6\uff0c\u7a0b\u5e8f\u65e0\u6cd5\u8fd0\u884c\uff0c\u8fd9\u662f\u7531\u4e8eC\u7f16\u8bd1\u5668\u5e76\u6ca1\u6709\u4e3a\u6211\u4eec\u57280x3FF\u653e\u7f6e\u4e00\u6761RETLW 0xXX\u7684\u8bed\u53e5\u3002\u56e0\u6b64\uff0c\u7a0b\u5e8f\u8fd0\u884c\u5230\u8fd9\u91cc\u4e4b\u540e\uff0c\u5e76\u6ca1\u6709\u628a\u4e00\u4e2a\u5e38\u6570\uff08\u6821\u51c6\u503c\uff09\u653e\u5165W\u5bc4\u5b58\u5668\u7136\u540e\u8fd4\u56de\uff0c\u800c\u662f\u7ee7\u7eed\u6267\u884c\u8fd9\u6761\u8bed\u53e5\u7684\u4e0b\u4e00\u53e5\uff0d\uff0d0x0\u53ca\u5176\u4e4b\u540e\u7684\u7a0b\u5e8f\uff0c\u4e5f\u5c31\u662f\u8bf4\u7a0b\u5e8f\u5230\u6b64\u5c31\u4e71\u4e86\u3002\u56e0\u6b64\u5982\u7a0b\u5e8f\u540e\u9762\u6ce8\u91ca\u6240\u793a\uff0c\u5728\u4eff\u771f\u65f6\uff0c\u5e94\u5148\u5c4f\u853d\u8fd9\u51e0\u53e5\u7a0b\u5e8f\u3002\u5728\u7a0b\u5e8f\u8c03\u8bd5\u5b8c\u6210\u540e\uff0c\u9700\u8981\u70e7\u5199\u65f6\uff0c\u628a\u6ce8\u91ca\u7b26\u53bb\u6389\uff0c\u518d\u7f16\u8bd1\u4e00\u6b21\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n
\n\t\u6211\u8fd8\u6709\u4e00\u79cd\u60f3\u6cd5\uff0c\u4e0d\u7528\u5c4f\u853d\u8bed\u53e5\uff0c\u90a3\u5c31\u662f\u7528\u51fd\u6570\u6765\u5b9e\u73b0\uff0c\u5c31\u662f\u57280x3FF\u8d77\u5efa\u7acb\u4e00\u4e2a\u51fd\u6570\uff0c\u51fd\u6570\u4f53\u5185\u53ea\u6709\u4e00\u6761\u8bed\u53e5\uff0c\u5982\u4e0b\uff1a<\/p>\n
\n\tchar jz\uff08\uff09<\/p>\n
\n\t{<\/p>\n
\n\treturn 0;<\/p>\n
\n\t}<\/p>\n
\n\t\u5f53\u7136\uff0c\u8fd8\u8981\u8003\u8651C\u51fd\u6570\u8fd4\u56de\u65f6\uff0c\u4e00\u5b9a\u4f1a\u9009\u62e9\u5bc4\u5b58\u56680\uff0c\u5b9e\u9645\u4e0a\u8fd9\u4e2a\u51fd\u6570\u7684\u8d77\u59cb\u5730\u5740\u5e94\u5c0f\u4e8e0x3FF\u3002\u4f46\u662f\u6211\u627e\u4e86\u6211\u6240\u80fd\u627e\u5230\u7684\u53c2\u8003\u8d44\u6599\uff0c\u5e76\u4e0a\u7f51\u627e\u4e86\u591a\u6b21\uff0c\u4e5f\u6ca1\u627e\u5230\u4e3a\u51fd\u6570\u7edd\u5bf9\u5b9a\u4f4d\u7684\u65b9\u6cd5\uff0c\u5e0c\u671b\u6709\u77e5\u9053\u7684\u670b\u53cb\u6307\u70b9\u4e00\u4e0b\u3002<\/p>\n
\n\t\u8fd8\u6709\uff0c12C508A\u662f\u4e00\u6b21\u6027\u7f16\u7a0b\u7684\uff0c\u5e76\u4e140x1FF\u5904\u7684\u5185\u5bb9\uff0c\u6211\u4eec\u662f\u65e0\u6cd5\u6539\u53d8\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4\u4f60\u5728\u6b64\u5904\u7f16\u5199\u4efb\u4f55\u6307\u4ee4\uff0c\u7f16\u7a0b\u5668\u90fd\u4e0d\u4f1a\u4e3a\u4f60\u70e7\u5199\uff0c\u6216\u8005\u8bf4\u5373\u4f7f\u70e7\u5199\u4e86\u4e5f\u4e0d\u4f1a\u6539\u53d8\u5176\u4e2d\u7684\u5185\u5bb9\u3002<\/p>\n
\n\t\u53ef12F629\u662fFLASH\u5668\u4ef6\uff0c\u53ef\u591a\u6b21\u7f16\u7a0b\uff0c\u5982\u679c\u4f60\u6ca1\u6709\u6545\u610f\u9009\u62e9\uff0c\u6b63\u54c1\u7684\u7f16\u7a0b\u5668\uff08\u5982Microchip<\/u>\u7684PICSTART PLUS\uff09\u662f\u4e0d\u4f1a\u5bf9\u5b58\u6709\u6821\u51c6\u503c\u7684\u7a0b\u5e8f\u7a7a\u95f4\u8fdb\u884c\u7f16\u7a0b\u7684\u3002\u5373\u4f7f\u4f60\u65e0\u610f\u4e2d\u5bf9\u8fd9\u4e2a\u7a0b\u5e8f\u7a7a\u95f4\u8fdb\u884c\u4e86\u7f16\u7a0b\uff0c\u4f60\u4e5f\u53ef\u4ee5\u7528\u4e00\u6761RETLW 0xXX\u653e\u57280x3FF\u5904\u518d\u7f16\u7a0b\u4e00\u6b21\u5c31\u53ef\u4ee5\u4e86\uff0c\u4f46\u8fd9\u4e2aXX\u503c\u53ef\u80fd\u662f\u4e0d\u6b63\u786e\u7684\uff0c\u9700\u7ecf\u5b9e\u9a8c\u786e\u5b9a\uff08\u8bf7\u53c2\u8003\u540e\u9762\u8bf4\u660e\uff09\u3002<\/p>\n
\n\t\u4e3a\u4e86\u68c0\u9a8cOSCCAL\u7684\u503c\u5bf9\u632f\u8361\u5668\u9891\u7387\u7684\u5f71\u54cd\uff0c\u7279\u7f16\u5199\u4e86\u4e0b\u9762\u4e00\u4e2a\u5c0f\u7a0b\u5e8f\u8fdb\u884c\u9a8c\u8bc1\uff1a<\/p>\n
\n\t#include<\/p>\n
\n\t\/\/*********************************************************<\/p>\n
\n\t__CONFIG\uff08INTI<\/u>O & WDTDIS & PWRTEN & MCLRDIS & BOREN & PROTECT & CPD\uff09;<\/p>\n
\n\t\/\/\u5185\u90e8RC\u632f\u8361\u5668\u666e\u901aIO\u53e3;\u65e0\u6548\u770b\u95e8\u72d7<\/u>;\u4e0a\u7535\u5ef6\u65f6;\u5185\u90e8\u590d\u4f4d;\u6389\u7535\u590d\u4f4d;\u4ee3\u7801\u4fdd\u62a4;\u6570\u636e\u4fdd\u62a4<\/p>\n
\n\t\/\/*********************************************************<\/p>\n
\n\t#define out GPIO0 \/\/\u5b9a\u4e49\u8f93\u51fa\u7aef<\/p>\n
\n\t#define jc GPIO3 \/\/\u5b9a\u4e49\u68c0\u6d4b\u7aef<\/p>\n
\n\t\/\/*********************************************************<\/p>\n
\n\tvoid interrupt zd\uff08\uff09; \/\/\u58f0\u660e\u4e2d\u65ad\u51fd\u6570<\/p>\n
\n\t\/\/\u4e3b\u51fd\u6570***************************************************<\/p>\n
\n\tvoid mai<\/u>n\uff08\uff09<\/p>\n
\n\t{<\/p>\n
\n\tCMCON=7;<\/p>\n
\n\tOPTION=0B00000011; \/\/\u5206\u9891\u6bd4\u4e3a1\uff1a16\uff0c<\/p>\n
\n\tTRISIO=0B11111110;<\/p>\n
\n\tGPIO=0B00000000;<\/p>\n
\n\tWPU=0;<\/p>\n
\n\tT0IF=0;<\/p>\n
\n\tGIE=1;<\/p>\n
\n\tT0IE=1;<\/p>\n
\n\twhile\uff081\uff09{<\/p>\n
\n\tif\uff08jc\uff09OSCCAL=0xFF;<\/p>\n
\n\telse OSCCAL=0;<\/p>\n
\n\t}<\/p>\n
\n\t}<\/p>\n
\n\t\/\/\u4e2d\u65ad\u51fd\u6570*************************************************<\/p>\n
\n\tvoid interrupt zd\uff08\uff09<\/p>\n
\n\t{<\/p>\n
\n\tT0IF=0;<\/p>\n
\n\tout=\uff01out;<\/p>\n
\n\t}<\/p>\n
\n\t\u7a0b\u5e8f\u5176\u5b9e\u5f88\u7b80\u5355\uff0c\u5c31\u662f\u5728\u4e2d\u65ad\u4e2d\u8ba9out\u811a\u7684\u7535\u5e73\u7ffb\u8f6c\uff0c\u7ffb\u8f6c\u7684\u65f6\u95f4\u4e3a4096\u4e2a\u6307\u4ee4\u5468\u671f\uff0c\u7535\u5e73\u5468\u671f\u4e3a8192\u4e2a\u6307\u4ee4\u5468\u671f\u3002\u800c\u6307\u4ee4\u7684\u5468\u671f\u53c8\u51b3\u5b9a\u4e8eRC\u65f6\u949f<\/u>\u9891\u7387\u3002\u5728\u4e3b\u7a0b\u5e8f\u4e2d\uff0c\u4e0d\u65ad\u7684\u68c0\u6d4bJC\u7aef\u53e3\u7684\u7535\u5e73\uff0c\u7136\u540e\u6839\u636e\u6b64\u7aef\u53e3\u7535\u5e73\u7684\u503c\u4fee\u6539OSCCAL\u5bc4\u5b58\u5668\u7684\u503c\u3002\u5f53\u7136\uff0c\u6700\u540e\u4eceOUT\u811a\u7684\u6ce2\u5f62\u5468\u671f\u4e0a\u53cd\u6620\u51fa\u4e86OSCCAL\u5bc4\u5b58\u5668\u7684\u503c\u6539\u53d8\u3002<\/p>\n
\n\t\u7ecf\u7528\u793a\u6ce2\u5668<\/u>\u6d4b\u91cf\uff08\u62b1\u6b49\uff0c\u624b\u8fb9\u6ca1\u6709\u9891\u7387\u8ba1\uff09\uff0cJC\u7aef\u63a5\u5730\u65f6\uff0cOUT\u7aef\u7684\u7535\u5e73\u5468\u671f\u4e3a9.5\u6beb\u79d2\u5de6\u53f3\uff1b\u800cJC\u7aef\u63a5\u6b63\u7535\u6e90\u65f6\uff0cOUT\u7aef\u7684\u7535\u5e73\u5468\u671f\u4e3a6\u6beb\u79d2\u5de6\u53f3\u3002\u4e5f\u5c31\u662f\u8bf4OSCCAL\u7684\u503c\u8d8a\u5927\uff0c\u5355\u7247\u673a\u7684\u65f6\u949f\u9891\u7387\u8d8a\u9ad8\u3002\u5e76\u4e14\uff0c\u8fd9\u4e2a\u53d8\u5316\u8303\u56f4\u662f\u5f88\u5927\u7684\uff0c\u56e0\u6b64\uff0c\u5982\u679c\u4f7f\u7528PIC\u5355\u7247\u673a\u7684\u5185\u90e8RC\u632f\u8361\u5668\u65f6\uff0c\u5bf9\u5176\u632f\u8361\u9891\u7387\u8fdb\u884c\u6821\u6b63\u662f\u5341\u5206\u5fc5\u8981\u7684\u3002\u8fd9\u4e5f\u662f\u6211\u5728\u505a\u6eda\u52a8\u7801\u63a5\u6536\u89e3\u7801\u5668\u65f6\uff0c\u4ea7\u54c1\u79bb\u6563\u6027\u5f88\u5927\u7684\u539f\u56e0\u3002\u671b\u5927\u5bb6\u4ee5\u540e\u4f7f\u7528\u5185\u90e8RC\u632f\u8361\u5668\u65f6\u80fd\u591f\u6ce8\u610f\u5230\u6b64\u70b9\u3002<\/p>\n
\n\t\u4f46\u8fd8\u6709\u4e00\u70b9\u8981\u6ce8\u610f\uff0c\u5373\u4f7f\u4f60\u5bf9RC\u632f\u8361\u5668\u8fdb\u884c\u4e86\u6821\u6b63\uff0c\u4f60\u4e5f\u522b\u6307\u671b\u8fd9\u4e2a4MHz\u7684RC\u632f\u8361\u5668\u80af\u5b9a\u4f1a\u5f88\u6807\u51c6\uff0c\u5b9e\u9645\u4e0a\u5b83\u8fd8\u662f\u4e00\u4e2aRC\u632f\u8361\u5668\uff0c\u5b83\u7684\u632f\u8361\u9891\u7387\u662f\u7535\u538b\u3001\u6e29\u5ea6\u7684\u51fd\u6570\uff0c\u4e5f\u5c31\u662f\u8bf4\u8fd9\u4e2a\u632f\u8361\u9891\u7387\u4f1a\u968f\u7740\u7535\u538b\u548c\u6e29\u5ea6\u7684\u53d8\u5316\u800c\u53d8\u5316\uff0c\u53ea\u662f\u7ecf\u6821\u6b63\u540e\u7684\u503c\u66f4\u63a5\u8fd14MHz\u7f62\u4e86\uff0c\u8fd9\u5728\u4ea7\u54c1\u5f00\u53d1\u7684\u4e00\u5f00\u59cb\u5c31\u8981\u6ce8\u610f\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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