\n\t\u800c\u8fd9\u91cc\u7684\u6570\u636e\u7c7b\u578b\u5219\u662f\u548c\u6211\u4eec\u5728\u7b2c\u56db\u8bfe\u4e2d\u5b66\u4e60\u5230\u7684\u540d\u79cd\u6570\u636e\u7c7b\u578b\u7684\u5b9a\u4e49\u662f\u4e00\u6837\u7684\u3002\u8bf4\u660e\u4e86\u4e00\u4e2a\u53d8\u91cf\u7684\u6570\u636e\u7c7b\u578b\u540e\uff0c\u8fd8\u53ef\u9009\u62e9\u8bf4\u660e\u8be5\u53d8\u91cf\u7684\u5b58\u50a8\u5668\u7c7b\u578b\u3002\u5b58\u50a8\u5668\u7c7b\u578b\u7684\u8bf4\u660e\u5c31\u662f\u6307\u5b9a\u8be5\u53d8\u91cf\u5728C51\u786c\u4ef6\u7cfb\u7edf\u4e2d\u6240\u4f7f\u7528\u7684\u5b58\u50a8\u533a\u57df\uff0c\u5e76\u5728\u7f16\u8bd1\u65f6\u51c6\u786e\u7684\u5b9a\u4f4d\u3002\u6ce8\u610f\u7684\u662f\u5728AT89C51\u82af\u7247\u4e2dRAM<\/u>\u53ea\u6709\u4f4e128\u4f4d\uff0c\u4f4d\u4e8e80H\u5230FFH\u7684\u9ad8128\u4f4d\u5219\u572852\u82af\u7247\u4e2d\u624d\u6709\u7528\uff0c\u5e76\u548c\u7279\u6b8a\u5bc4\u5b58\u5668\u5730\u5740\u91cd\u53e0\u3002\u7279\u6b8a\u5bc4\u5b58\u5668\uff08SFR\uff09\u7684\u5730\u5740\u8868\u8bf7\u770b\u9644\u5f55\u4e8c\u3000AT89C51\u7279\u6b8a\u529f\u80fd\u5bc4\u5b58\u5668\u5217\u8868<\/p>\n
\n\t![\"51\u5355\u7247\u673a\u4e2d\u53d8\u91cf\u7684\u5b9a\u4e49\u53ca\u5e94\u7528\u65b9\u6cd5\"](\"http:\/\/www.szryc.com\/uploads\/allimg\/190415\/16135J626-0.jpg\")
<\/p>\n
\n\t\u5982\u679c\u7701\u7565\u5b58\u50a8\u5668\u7c7b\u578b\uff0c\u7cfb\u7edf\u5219\u4f1a\u6309\u7f16\u8bd1\u6a21\u5f0fSMALL\uff0cCOMPACT\u6216LARGE\u6240\u89c4\u5b9a\u7684\u9ed8\u8ba4\u5b58\u50a8\u5668\u7c7b\u578b\u53bb\u6307\u5b9a\u53d8\u91cf\u7684\u5b58\u50a8\u533a\u57df\u3002\u65e0\u8bba\u4ec0\u4e48\u5b58\u50a8\u6a21\u5f0f\u90fd\u53ef\u4ee5\u58f0\u660e\u53d8\u91cf\u5728\u4efb\u4f55\u76848051\u5b58\u50a8\u533a\u8303\u56f4\uff0c\u7136\u800c\u628a\u6700\u5e38\u7528\u7684\u547d\u4ee4\u5982\u5faa\u73af\u8ba1\u6570\u5668\u548c\u961f\u5217\u7d22\u5f15\u653e\u5728\u5185\u90e8\u6570\u636e\u533a\u53ef\u4ee5\u663e\u8457\u7684\u63d0\u9ad8\u7cfb\u7edf\u6027\u80fd\u3002\u8fd8\u6709\u8981\u6307\u51fa\u7684\u5c31\u662f\u53d8\u91cf\u7684\u5b58\u50a8\u79cd\u7c7b\u4e0e\u5b58\u50a8\u5668\u7c7b\u578b\u662f\u5b8c\u5168\u65e0\u5173\u7684\u3002<\/p>\n
\n\tSMALL\u5b58\u50a8\u6a21\u5f0f\u628a\u6240\u6709\u51fd\u6570\u53d8\u91cf\u548c\u5c40\u90e8\u6570\u636e\u6bb5\u653e\u57288051\u7cfb\u7edf\u7684\u5185\u90e8\u6570\u636e\u5b58\u50a8\u533a\u8fd9\u4f7f\u8bbf\u95ee\u6570\u636e\u975e\u5e38\u5feb\uff0c\u4f46SMALL\u5b58\u50a8\u6a21\u5f0f\u7684\u5730\u5740\u7a7a\u95f4\u53d7\u9650\u3002\u5728\u5199\u5c0f\u578b\u7684\u5e94\u7528\u7a0b\u5e8f\u65f6\uff0c\u53d8\u91cf\u548c\u6570\u636e\u653e\u5728data\u5185\u90e8\u6570\u636e\u5b58\u50a8\u5668\u4e2d\u662f\u5f88\u597d\u7684\u56e0\u4e3a\u8bbf\u95ee\u901f\u5ea6\u5feb\uff0c\u4f46\u5728\u8f83\u5927\u7684\u5e94\u7528\u7a0b\u5e8f\u4e2ddata\u533a\u6700\u597d\u53ea\u5b58\u653e\u5c0f\u7684\u53d8\u91cf\u3001\u6570\u636e\u6216\u5e38\u7528\u7684\u53d8\u91cf\uff08\u5982\u5faa\u73af\u8ba1\u6570\u3001\u6570\u636e\u7d22\u5f15\uff09\uff0c\u800c\u5927\u7684\u6570\u636e\u5219\u653e\u7f6e\u5728\u522b\u7684\u5b58\u50a8\u533a\u57df\u3002<\/p>\n
\n\tCOMPACT\u5b58\u50a8\u6a21\u5f0f\u4e2d\u6240\u6709\u7684\u51fd\u6570\u548c\u7a0b\u5e8f\u53d8\u91cf\u548c\u5c40\u90e8\u6570\u636e\u6bb5\u5b9a\u4f4d\u57288051\u7cfb\u7edf\u7684\u5916\u90e8\u6570\u636e\u5b58\u50a8\u533a\u3002\u5916\u90e8\u6570\u636e\u5b58\u50a8\u533a\u53ef\u6709\u6700\u591a256\u5b57\u8282\uff08\u4e00\u9875\uff09\uff0c\u5728\u672c\u6a21\u5f0f\u4e2d\u5916\u90e8\u6570\u636e\u5b58\u50a8\u533a\u7684\u77ed\u5730\u5740\u7528@R0\/R1\u3002<\/p>\n
\n\tLARGE\u5b58\u50a8\u6a21\u5f0f\u6240\u6709\u51fd\u6570\u548c\u8fc7\u7a0b\u7684\u53d8\u91cf\u548c\u5c40\u90e8\u6570\u636e\u6bb5\u90fd\u5b9a\u4f4d\u57288051\u7cfb\u7edf\u7684\u5916\u90e8\u6570\u636e\u533a\u5916\u90e8\u6570\u636e\u533a\u6700\u591a\u53ef\u670964KB\uff0c\u8fd9\u8981\u6c42\u7528DPTR\u6570\u636e\u6307\u9488\u8bbf\u95ee\u6570\u636e\u3002<\/p>\n
\n\t\u4e4b\u524d\u63d0\u5230\u7b80\u5355\u63d0\u5230sfr\uff0csfr16\uff0csbit\u5b9a\u4e49\u53d8\u91cf\u7684\u65b9\u6cd5\uff0c\u4e0b\u9762\u6211\u4eec\u518d\u6765\u4ed4\u7ec6\u770b\u770b\u3002<\/p>\n
\n\tsfr\u548csfr16\u53ef\u4ee5\u76f4\u63a5\u5bf951\u5355\u7247\u673a<\/u>\u7684\u7279\u6b8a\u5bc4\u5b58\u5668\u8fdb\u884c\u5b9a\u4e49\uff0c\u5b9a\u4e49\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n
\n\tsfr \u7279\u6b8a\u529f\u80fd\u5bc4\u5b58\u5668\u540d= \u7279\u6b8a\u529f\u80fd\u5bc4\u5b58\u5668\u5730\u5740\u5e38\u6570;<\/p>\n
\n\tsfr16 \u7279\u6b8a\u529f\u80fd\u5bc4\u5b58\u5668\u540d= \u7279\u6b8a\u529f\u80fd\u5bc4\u5b58\u5668\u5730\u5740\u5e38\u6570;<\/p>\n
\n\t\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u5b9a\u4e49AT89C51\u7684P1\u53e3<\/p>\n
\n\tsfr P1 = 0x90; \/\/\u5b9a\u4e49P1 I\/O\u53e3\uff0c\u5176\u5730\u574090H<\/p>\n
\n\tsfr\u5173\u952e\u5b9a\u540e\u9762\u662f\u4e00\u4e2a\u8981\u5b9a\u4e49\u7684\u540d\u5b57\uff0c\u53ef\u4efb\u610f\u9009\u53d6\uff0c\u4f46\u8981\u7b26\u5408\u6807\u8bc6\u7b26\u7684\u547d\u540d\u89c4\u5219\uff0c\u540d\u5b57\u6700\u597d\u6709\u4e00\u5b9a\u7684\u542b\u4e49\u5982P1\u53e3\u53ef\u4ee5\u7528P1\u4e3a\u540d\uff0c\u8fd9\u6837\u7a0b\u5e8f\u4f1a\u53d8\u7684\u597d\u8bfb\u597d\u591a\u3002\u7b49\u53f7\u540e\u9762\u5fc5\u987b\u662f\u5e38\u6570\uff0c\u4e0d\u5141\u8bb8\u6709\u5e26\u8fd0\u7b97\u7b26\u7684\u8868\u8fbe\u5f0f\uff0c\u800c\u4e14\u8be5\u5e38\u6570\u5fc5\u987b\u5728\u7279\u6b8a\u529f\u80fd\u5bc4\u5b58\u5668\u7684\u5730\u5740\u8303\u56f4\u4e4b\u5185\uff0880H\uff0dFFH\uff09\uff0c\u5177\u4f53\u53ef\u67e5\u770b\u9644\u5f55\u4e2d\u7684\u76f8\u5173\u8868\u3002sfr\u662f\u5b9a\u4e498\u4f4d\u7684\u7279\u6b8a\u529f\u80fd\u5bc4\u5b58\u5668\u800csfr16\u5219\u662f\u7528\u6765\u5b9a\u4e4916\u4f4d\u7279\u6b8a\u529f\u80fd\u5bc4\u5b58\u5668\uff0c\u59828052\u7684T2\u5b9a\u65f6\u5668<\/u>\uff0c\u53ef\u4ee5\u5b9a\u4e49\u4e3a\uff1a<\/p>\n
\n\tsfr16 T2 = 0xCC; \/\/\u8fd9\u91cc\u5b9a\u4e498052\u5b9a\u65f6\u56682\uff0c\u5730\u5740\u4e3aT2L=CCH\uff0cT2H=CDH<\/p>\n
\n\t\u7528sfr16\u5b9a\u4e4916\u4f4d\u7279\u6b8a\u529f\u80fd\u5bc4\u5b58\u5668\u65f6\uff0c\u7b49\u53f7\u540e\u9762\u662f\u5b83\u7684\u4f4e\u4f4d\u5730\u5740\uff0c\u9ad8\u4f4d\u5730\u5740\u4e00\u5b9a\u8981\u4f4d\u4e8e\u7269\u7406\u4f4e\u4f4d\u5730\u5740\u4e4b\u4e0a\u3002\u6ce8\u610f\u7684\u662f\u4e0d\u80fd\u7528\u4e8e\u5b9a\u65f6\u56680\u548c1\u7684\u5b9a\u4e49\u3002<\/p>\n
\n\tsbit\u53ef\u5b9a\u4e49\u53ef\u4f4d\u5bfb\u5740\u5bf9\u8c61\u3002\u5982\u8bbf\u95ee\u7279\u6b8a\u529f\u80fd\u5bc4\u5b58\u5668\u4e2d\u7684\u67d0\u4f4d\u3002\u5176\u5b9e\u8fd9\u6837\u5e94\u7528\u662f\u7ecf\u5e38\u8981\u7528\u7684\u5982\u8981\u8bbf\u95eeP1\u53e3\u4e2d\u7684\u7b2c2\u4e2a\u5f15\u811aP1.1\u3002\u6211\u4eec\u53ef\u4ee5\u7167\u4ee5\u4e0b\u7684\u65b9\u6cd5\u53bb\u5b9a\u4e49\uff1a<\/p>\n
\n\t\uff081\uff09sbit \u4f4d\u53d8\u91cf\u540d\uff1d\u4f4d\u5730\u5740<\/p>\n
\n\tsbit P1_1 = Ox91;<\/p>\n
\n\t\u8fd9\u6837\u662f\u628a\u4f4d\u7684\u7edd\u5bf9\u5730\u5740\u8d4b\u7ed9\u4f4d\u53d8\u91cf\u3002\u540csfr\u4e00\u6837sbit\u7684\u4f4d\u5730\u5740\u5fc5\u987b\u4f4d\u4e8e80H-FFH\u4e4b\u95f4\u3002<\/p>\n
\n\t\uff082\uff09Sbit \u4f4d\u53d8\u91cf\u540d\uff1d\u7279\u6b8a\u529f\u80fd\u5bc4\u5b58\u5668\u540d^\u4f4d\u4f4d\u7f6e<\/p>\n
\n\tsft P1 = 0x90;<\/p>\n
\n\tsbit P1_1 = P1 ^ 1; \/\/\u5148\u5b9a\u4e49\u4e00\u4e2a\u7279\u6b8a\u529f\u80fd\u5bc4\u5b58\u5668\u540d\u518d\u6307\u5b9a\u4f4d\u53d8\u91cf\u540d\u6240\u5728\u7684\u4f4d\u7f6e<\/p>\n
\n\t\u5f53\u53ef\u5bfb\u5740\u4f4d\u4f4d\u4e8e\u7279\u6b8a\u529f\u80fd\u5bc4\u5b58\u5668\u4e2d\u65f6\u53ef\u91c7\u7528\u8fd9\u79cd\u65b9\u6cd5<\/p>\n
\n\t\uff083\uff09sbit \u4f4d\u53d8\u91cf\u540d\uff1d\u5b57\u8282\u5730\u5740^\u4f4d\u4f4d\u7f6e<\/p>\n
\n\tsbit P1_1 = 0x90 ^ 1;<\/p>\n
\n\t\u8fd9\u79cd\u65b9\u6cd5\u5176\u5b9e\u548c2\u662f\u4e00\u6837\u7684\uff0c\u53ea\u662f\u628a\u7279\u6b8a\u529f\u80fd\u5bc4\u5b58\u5668\u7684\u4f4d\u5740\u76f4\u63a5\u7528\u5e38\u6570\u8868\u793a\u3002<\/p>\n
\n\t\u5728C51\u5b58\u50a8\u5668\u7c7b\u578b\u4e2d\u63d0\u4f9b\u6709\u4e00\u4e2abdata\u7684\u5b58\u50a8\u5668\u7c7b\u578b\uff0c\u8fd9\u4e2a\u662f\u6307\u53ef\u4f4d\u5bfb\u5740\u7684\u6570\u636e\u5b58\u50a8\u5668\uff0c\u4f4d\u4e8e\u5355\u7247\u673a\u7684\u53ef\u4f4d\u5bfb\u5740\u533a\u4e2d\uff0c\u53ef\u4ee5\u5c06\u8981\u6c42\u53ef\u4f4d\u5f55\u5740\u7684\u6570\u636e\u5b9a\u4e49\u4e3abdata\uff0c\u5982\uff1a<\/p>\n
\n\tunsigned char bdata ib; \/\/\u5728\u53ef\u4f4d\u5f55\u5740\u533a\u5b9a\u4e49ucsi<\/u>gned char\u7c7b\u578b\u7684\u53d8\u91cfib<\/p>\n
\n\tint bdata ab\uff3b2\uff3d; \/\/\u5728\u53ef\u4f4d\u5bfb\u5740\u533a\u5b9a\u4e49\u6570\u7ec4ab\uff3b2\uff3d\uff0c\u8fd9\u4e9b\u4e5f\u79f0\u4e3a\u53ef\u5bfb\u5740\u4f4d\u5bf9\u8c61<\/p>\n
\n\tsbit ib7=ib^7 \/\/\u7528\u5173\u952e\u5b57sbit\u5b9a\u4e49\u4f4d\u53d8\u91cf\u6765\u72ec\u7acb\u8bbf\u95ee\u53ef\u5bfb\u5740\u4f4d\u5bf9\u8c61\u7684\u5176\u4e2d\u4e00\u4f4d<\/p>\n
\n\tsbit ab12=ab\uff3b1\uff3d^12;<\/p>\n
\n\t\u64cd\u4f5c\u7b26“\uff3e”\u540e\u9762\u7684\u4f4d\u4f4d\u7f6e\u7684\u6700\u5927\u503c\u53d6\u51b3\u4e8e\u6307\u5b9a\u7684\u57fa\u5740\u7c7b\u578b\uff0cchar0-7\uff0cint0-15\uff0clong0-31\u3002<\/p>\n
\n\t\u4e0b\u9762\u6211\u4eec\u7528\u4e0a\u4e00\u8bfe\u7684\u7535\u8def<\/u>\u6765\u5b9e\u8df5\u4e00\u4e0b\u8fd9\u4e00\u8bfe\u7684\u77e5\u8bc6\u3002\u540c\u6837\u662f\u505a\u4e00\u4e0b\u7b80\u5355\u7684\u8dd1\u9a6c\u706f\u5b9e\u9a8c\uff0c\u9879\u76ee\u540d\u4e3aRunLED2\u3002\u7a0b\u5e8f\u5982\u4e0b\uff1a<\/p>\n
\n\tsfr P1 = 0x90; \/\/\u8fd9\u91cc\u6ca1\u6709\u4f7f\u7528\u9884\u5b9a\u4e49\u6587\u4ef6\uff0c<\/p>\n
\n\tsbit P1_0 = P1 ^ 0; \/\/\u800c\u662f\u81ea\u5df1\u5b9a\u4e49\u7279\u6b8a\u5bc4\u5b58\u5668<\/p>\n
\n\tsbit P1_7 = 0x90 ^ 7; \/\/\u4e4b\u524d\u6211\u4eec\u4f7f\u7528\u7684\u9884\u5b9a\u4e49\u6587\u4ef6\u5176\u5b9e\u5c31\u662f\u8fd9\u4e2a\u4f5c\u7528<\/p>\n
\n\tsbit P1_1 = 0x91; \/\/\u8fd9\u91cc\u5206\u522b\u5b9a\u4e49P1\u7aef\u53e3\u548cP10\uff0cP11\uff0cP17\u5f15\u811a<\/p>\n
\n\tvoid mai<\/u>n\uff08void\uff09<\/p>\n
\n\t{<\/p>\n
\n\tunsigned int a;<\/p>\n
\n\tunsigned char b;<\/p>\n
\n\tdo{<\/p>\n
\n\tfor \uff08a=0;a\u300a50000;a++\uff09<\/p>\n
\n\tP1_0 = 0; \/\/\u70b9\u4eaeP1_0<\/p>\n
\n\tfor \uff08a=0;a\u300a50000;a++\uff09<\/p>\n
\n\tP1_7 = 0; \/\/\u70b9\u4eaeP1_7<\/p>\n
\n\tfor \uff08b=0;b\u300a255;b++\uff09<\/p>\n
\n\t{<\/p>\n
\n\tfor \uff08a=0;a\u300a10000;a++\uff09<\/p>\n
\n\tP1 = b; \/\/\u7528b\u7684\u503c\u6765\u505a\u8dd1\u9a6c\u706f\u7684\u82b1\u6837<\/p>\n
\n\t}<\/p>\n
\n\tP1 = 255; \/\/\u7184\u706dP1\u4e0a\u7684LED<\/p>\n
\n\tfor \uff08b=0;b\u300a255;b++\uff09<\/p>\n
\n\t{<\/p>\n
\n\tfor \uff08a=0;a\u300a10000;a++\uff09 \/\/P1_1\u95ea\u70c1<\/p>\n
\n\tP1_1 = 0;<\/p>\n
\n\tfor \uff08a=0;a\u300a10000;a++\uff09<\/p>\n
\n\tP1_1 = 1;<\/p>\n
\n\t}<\/p>\n
\n\t}while\uff081\uff09;<\/p>\n
\n\t}<\/p>\n","protected":false},"excerpt":{"rendered":"
\u53d8\u91cf\u5c31\u662f\u4e00\u79cd\u5728\u7a0b\u5e8f\u6267\u884c\u8fc7\u7a0b\u4e2d\u5176\u503c\u80fd\u4e0d\u65ad\u53d8\u5316\u7684\u91cf\u3002\u8981\u5728\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u53d8\u91cf\u5fc5\u987b\u5148\u7528\u6807\u8bc6\u7b26\u4f5c\u4e3a\u53d8\u91cf\u540d\uff0c\u5e76\u6307\u51fa\u6240\u7528\u7684\u6570\u636e\u7c7b\u578b\u548c\u5b58\u50a8\u6a21\u5f0f\uff0c\u8fd9\u6837\u7f16\u8bd1\u7cfb\u7edf\u624d\u80fd\u4e3a\u53d8\u91cf\u5206\u914d\u76f8\u5e94\u7684\u5b58\u50a8\u7a7a<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/2337"}],"collection":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2337"}],"version-history":[{"count":0,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/2337\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2337"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2337"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2337"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}