{"id":2685,"date":"2019-06-28T06:25:04","date_gmt":"2019-06-28T06:25:04","guid":{"rendered":""},"modified":"2019-06-28T14:25:42","modified_gmt":"2019-06-28T06:25:42","slug":"stm32%e5%8d%95%e7%89%87%e6%9c%ba%e4%b8%8epic%e5%8d%95%e7%89%87%e6%9c%ba%e7%9a%84%e4%bc%98%e7%bc%ba%e7%82%b9%e5%af%b9%e6%af%94%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=2685","title":{"rendered":"stm32\u5355\u7247\u673a\u4e0epic\u5355\u7247\u673a\u7684\u4f18\u7f3a\u70b9\u5bf9\u6bd4\u5206\u6790"},"content":{"rendered":"

\n\tstm32<\/u>\u5355\u7247\u673a<\/u><\/p>\n

\n\t\u7531ST\u5382\u5546\u63a8\u51fa\u7684STM32\u7cfb\u5217\u5355\u7247\u673a\uff0c\u884c\u4e1a\u7684\u670b\u53cb\u90fd\u77e5\u9053\uff0c\u8fd9\u662f\u4e00\u6b3e\u6027\u4ef7\u6bd4\u8d85\u9ad8\u7684\u7cfb\u5217\u5355\u7247\u673a\uff0c\u5e94\u8be5\u6ca1\u6709\u4e4b\u4e00\uff0c\u529f\u80fd\u53ca\u5176\u5f3a\u5927\u3002\u5176\u57fa\u4e8e\u4e13\u4e3a\u8981\u6c42\u9ad8\u6027\u80fd\u3001\u4f4e\u6210\u672c\u3001\u4f4e\u529f\u8017\u7684\u5d4c\u5165\u5f0f\u5e94\u7528\u4e13\u95e8\u8bbe\u8ba1\u7684ARM<\/u> Corte<\/u>x-M\u5185\u6838\uff0c\u540c\u65f6\u5177\u6709\u4e00\u6d41\u7684\u5916\u8bbe\uff1a1μs\u7684\u53cc12\u4f4dADC<\/u>\uff0c4\u5146\u4f4d\/\u79d2\u7684UART<\/u>\uff0c18\u5146\u4f4d\/\u79d2\u7684SPI<\/u>\u7b49\u7b49\uff0c\u5728\u529f\u8017\u548c\u96c6\u6210\u5ea6\u65b9\u9762\u4e5f\u6709\u4e0d\u4fd7\u7684\u8868\u73b0\uff0c\u5f53\u7136\u548cMSP430<\/u>\u7684\u529f\u8017\u6bd4\u8d77\u6765\u662f\u7a0d\u5fae\u900a\u8272\u7684\u4e00\u4e9b\uff0c\u4f46\u8fd9\u5e76\u4e0d\u5f71\u54cd\u5de5\u7a0b\u5e08\u4eec\u5bf9\u5b83\u7684\u70ed\u6367\u7a0b\u5ea6\uff0c\u7531\u4e8e\u5176\u7b80\u5355\u7684\u7ed3\u6784\u548c\u6613\u7528\u7684\u5de5\u5177\u518d\u914d\u5408\u5176\u5f3a\u5927\u7684\u529f\u80fd\u5728\u884c\u4e1a\u4e2d\u8d6b\u8d6b\u6709\u540d\u5176\u5f3a\u5927\u7684\u529f\u80fd\u4e3b\u8981\u8868\u73b0\u5728\uff1a<\/p>\n

\n\t <\/div>\n

\n\tstm32\u5355\u7247\u673a\u7279\u6027<\/p>\n

\n\t1\u3001\u5185\u6838\uff1aARM32\u4f4dCortex-M3CPU<\/u>\uff0c\u6700\u9ad8\u5de5\u4f5c\u9891\u738772MHz\uff0c1.25DMI<\/u>PS\/MHz\uff0c\u5355\u5468\u671f\u4e58\u6cd5\u548c\u786c\u4ef6\u9664\u6cd5<\/p>\n

\n\t2\u3001\u5b58\u50a8\u5668<\/u>\uff1a\u7247\u4e0a\u96c6\u621032-512KB\u7684Flash\u5b58\u50a8<\/u>\u5668\u30026-64KB\u7684SRAM<\/u>\u5b58\u50a8\u5668<\/p>\n

\n\t3\u3001\u65f6\u949f<\/u>\u3001\u590d\u4f4d\u548c\u7535\u6e90\u7ba1\u7406<\/u>\uff1a2.0-3.6V\u7684\u7535\u6e90\u4f9b\u7535\u548cI\/O<\/u>\u63a5\u53e3<\/u>\u7684\u9a71\u52a8\u7535\u538b\u3002POR\u3001PDR\u548c\u53ef\u7f16\u7a0b\u7684\u7535\u538b\u63a2\u6d4b\u5668\uff08PVD\uff09\u30024-16MHz\u7684\u6676\u632f<\/u>\u3002\u5185\u5d4c\u51fa\u5382\u524d\u8c03\u6821\u76848MHz RC\u632f\u8361\u7535\u8def<\/u>\u3002\u5185\u90e840 kHz\u7684RC\u632f\u8361\u7535\u8def\u3002\u7528\u4e8eCPU\u65f6\u949f\u7684PLL\u3002\u5e26\u6821\u51c6\u7528\u4e8eRTC\u768432kHz\u7684\u6676\u632f<\/p>\n

\n\t4\u3001\u8c03\u8bd5\u6a21\u5f0f\uff1a\u4e32\u884c\u8c03\u8bd5\uff08SWD\uff09\u548cJTAG\u63a5\u53e3\u3002\u6700\u591a\u9ad8\u8fbe112\u4e2a\u7684\u5feb\u901fI\/O\u7aef\u53e3\u3001\u6700\u591a\u591a\u8fbe11\u4e2a\u5b9a\u65f6\u5668<\/u>\u3001\u6700\u591a\u591a\u8fbe13\u4e2a\u901a\u4fe1\u63a5\u53e3<\/p>\n

\n\t\u4f7f\u7528\u6700\u591a\u7684\u5668\u4ef6\uff1aSTM32F103\u7cfb\u5217\u3001STM32 L1\u7cfb\u5217\u3001STM32W\u7cfb\u5217\u3002<\/p>\n

\n\t\"stm32\u5355\u7247\u673a\u4e0epic\u5355\u7247\u673a\u7684\u4f18\u7f3a\u70b9\u5bf9\u6bd4\u5206\u6790\"<\/p>\n

\n\tstm32\u5355\u7247\u673a\u4f18\u70b9<\/p>\n

\n\t\u9664\u65b0\u589e\u7684\u529f\u80fd\u5f3a\u5316\u578b\u5916\u8bbe\u63a5\u53e3\u5916\uff0cSTM32\u4e92\u8fde\u7cfb\u5217\u8fd8\u63d0\u4f9b\u4e0e\u5176\u5b83STM32\u5fae\u63a7\u5236\u5668\u76f8\u540c\u7684\u6807\u51c6\u63a5\u53e3\uff0c\u8fd9\u79cd\u5916\u8bbe\u5171\u7528\u6027\u63d0\u5347\u4e86\u6574\u4e2a\u4ea7\u54c1\u5bb6\u65cf\u7684\u5e94\u7528\u7075\u6d3b\u6027\uff0c\u4f7f\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u5728\u591a\u4e2a\u8bbe\u8ba1\u4e2d\u91cd\u590d\u4f7f\u7528\u540c\u4e00\u4e2a\u8f6f\u4ef6\u3002\u65b0STM32\u7684\u6807\u51c6\u5916\u8bbe\u5305\u62ec10\u4e2a\u5b9a\u65f6\u5668\u3001\u4e24\u4e2a12\u4f4d1-Msample\/s \u6a21\u6570\u8f6c\u6362\u5668<\/u> \uff08\u4ea4\u9519\u6a21\u5f0f\u4e0b2-Msample\/s\uff09\u3001\u4e24\u4e2a12\u4f4d\u6570\u6a21\u8f6c\u6362\u5668<\/u>\u3001\u4e24\u4e2aI2C<\/u>\u63a5\u53e3\u3001\u4e94\u4e2aUSART\u63a5\u53e3\u548c\u4e09\u4e2aSPI\u7aef\u53e3\u3002\u65b0\u4ea7\u54c1\u5916\u8bbe\u5171\u670912\u6761DMA<\/u>\u901a\u9053\uff0c\u8fd8\u6709\u4e00\u4e2aCRC\u8ba1\u7b97\u5355\u5143\uff0c\u50cf\u5176\u5b83STM32\u5fae\u63a7\u5236\u5668\u4e00\u6837\uff0c\u652f\u630196\u4f4d\u552f\u4e00\u6807\u8bc6\u7801\u3002<\/p>\n

\n\t\u65b0\u7cfb\u5217\u5fae\u63a7\u5236\u5668\u8fd8\u6cbf\u7eed\u4e86STM32\u4ea7\u54c1\u5bb6\u65cf\u7684\u4f4e\u7535\u538b\u548c\u8282\u80fd\u4e24\u5927\u4f18\u70b9\u30022.0V\u52303.6V\u7684\u5de5\u4f5c\u7535\u538b\u8303\u56f4\u517c\u5bb9\u4e3b\u6d41\u7684\u7535\u6c60<\/u>\u6280\u672f\uff0c\u5982\u9502\u7535\u6c60\u548c\u954d\u6c22\u7535\u6c60\uff0c\u5c01\u88c5\u8fd8\u8bbe\u6709\u4e00\u4e2a\u7535\u6c60\u5de5\u4f5c\u6a21\u5f0f\u4e13\u7528\u5f15\u811aVbat\u3002\u4ee572MHz\u9891\u7387\u4ece\u95ea\u5b58\u6267\u884c\u4ee3\u7801\uff0c\u4ec5\u6d88\u8017 27mA\u7535\u6d41<\/u>\u3002\u4f4e\u529f\u8017\u6a21\u5f0f\u5171\u6709\u56db\u79cd\uff0c\u53ef\u5c06\u7535\u6d41\u6d88\u8017\u964d\u81f3\u4e24\u5fae\u5b89\u3002\u4ece\u4f4e\u529f\u8017\u6a21\u5f0f\u5feb\u901f\u542f\u52a8\u4e5f\u540c\u6837\u8282\u7701\u7535\u80fd;\u542f\u52a8\u7535\u8def\u4f7f\u7528STM32\u5185\u90e8\u751f\u6210\u76848MHz\u4fe1\u53f7\uff0c\u5c06\u5fae\u63a7\u5236\u5668\u4ece\u505c\u6b62\u6a21\u5f0f\u5524\u9192\u7528\u65f6\u5c0f\u4e8e6\u5fae\u79d2\u3002<\/p>\n

\n\tSTM32\u7531\u4e8e\u6709\u5404\u79cd\u5916\u8bbe \u64cd\u4f5c\u8d77\u6765\u7b80\u5355\uff0c\u53ef\u4ee5\u5904\u7406\u6a21\u62df\u4ee5\u53ca\u6570\u5b57\u4fe1\u53f7\uff0c\u9002\u7528\u4e8e\u8bbe\u8ba1\u7684\u63a7\u5236\u7535\u8def\u3002<\/p>\n

\n\tstm32\u5355\u7247\u673a\u7f3a\u70b9<\/p>\n

\n\tSTM32\u662f\u8dd1\u6307\u4ee4\u7684\uff0c\u9002\u5408\u8dd1\u7b97\u6cd5\uff0c\u4f46\u662f\u9488\u5bf9\u591a\u8def\u7684\u4fe1\u53f7\u5904\u7406\u5c31\u9700\u8981\u5f88\u591a\u7247DSP<\/u>\u6765\u5e76\u884c\u5904\u7406\u3002<\/p>\n

\n\t\"stm32\u5355\u7247\u673a\u4e0epic\u5355\u7247\u673a\u7684\u4f18\u7f3a\u70b9\u5bf9\u6bd4\u5206\u6790\"<\/p>\n

\n\tpic\u5355\u7247\u673a<\/p>\n

\n\tpic\u5355\u7247\u673a\u7cfb\u5217\u662f\u7f8e\u56fd\u5fae\u82af\u516c\u53f8\uff08Microship\uff09\u7684\u4ea7\u54c1\uff0c\u5171\u5206\u4e09\u4e2a\u7ea7\u522b\uff0c\u5373\u57fa\u672c\u7ea7\u3001\u4e2d\u7ea7\u3001\u9ad8\u7ea7\uff0c\u662f\u5f53\u524d\u5e02\u573a\u4efd\u989d\u589e\u957f\u6700\u5feb\u7684\u5355\u7247\u673a\u4e4b\u4e00\uff0cCPU\u91c7\u7528RISC<\/u>\u7ed3\u6784\uff0c\u5206\u522b\u670933\u300135\u300158\u6761\u6307\u4ee4\uff0c\u5c5e\u7cbe\u7b80\u6307\u4ee4\u96c6\uff0c\u540c\u65f6\u91c7\u7528Harvard\u53cc\u603b\u7ebf\u7ed3\u6784\uff0c\u8fd0\u884c\u901f\u5ea6\u5feb\uff0c\u5b83\u80fd\u4f7f\u7a0b\u5e8f\u5b58\u50a8\u5668\u7684\u8bbf\u95ee\u548c\u6570\u636e\u5b58\u50a8\u5668\u7684\u8bbf\u95ee\u5e76\u884c\u5904\u7406\uff0c\u8fd9\u79cd\u6307\u4ee4\u6d41\u6c34\u7ebf\u7ed3\u6784\uff0c\u5728\u4e00\u4e2a\u5468\u671f\u5185\u5b8c\u6210\u4e24\u90e8\u5206\u5de5\u4f5c\uff0c\u4e00\u662f\u6267\u884c\u6307\u4ee4\uff0c\u4e8c\u662f\u4ece\u7a0b\u5e8f\u5b58\u50a8\u5668\u53d6\u51fa\u4e0b\u4e00\u6761\u6307\u4ee4\uff0c\u8fd9\u6837\u603b\u7684\u770b\u6765\u6bcf\u6761\u6307\u4ee4\u53ea\u9700\u4e00\u4e2a\u5468\u671f\uff0c\u8fd9\u4e5f\u662f\u9ad8\u6548\u7387\u8fd0\u884c\u7684\u539f\u56e0\u4e4b\u4e00\uff0c\u6b64\u5916PIC\u5355\u7247\u673a\u4e4b\u6240\u4ee5\u6210\u4e3a\u4e00\u65f6\u975e\u5e38\u70ed\u7684\u5355\u7247\u673a\u4e0d\u5916\u4e4e\u4ee5\u4e0b\u7279\u70b9\uff1a<\/p>\n

\n\tpic\u5355\u7247\u673a\u7279\u70b9<\/p>\n

\n\t1\u3001\u5177\u6709\u4f4e\u5de5\u4f5c\u7535\u538b\u3001\u4f4e\u529f\u8017\u3001\u9a71\u52a8\u80fd\u529b\u5f3a\u7b49\u7279\u70b9\u3002PIC\u7cfb\u5217\u5355\u7247\u673a\u7684I\/O\u53e3\u662f\u53cc\u5411\u7684\uff0c\u5176\u8f93\u51fa\u7535\u8def\u4e3aCMOS\u4e92\u8865\u63a8\u633d\u8f93\u51fa\u7535\u8def\u3002I\/O\u811a\u589e\u52a0\u4e86\u7528\u4e8e\u8bbe\u7f6e\u8f93\u5165\u6216\u8f93\u51fa\u72b6\u6001\u7684\u65b9\u5411\u5bc4\u5b58\u5668<\/u>\uff0c\u4ece\u800c\u89e3\u51b3\u4e8651\u7cfb\u5217I\/O\u811a\u4e3a\u9ad8\u7535\u5e73\u65f6\u540c\u4e3a\u8f93\u5165\u548c\u8f93\u51fa\u7684\u72b6\u6001\u3002<\/p>\n

\n\t2\u3001\u5f53\u7f6e\u4f4d1\u65f6\u4e3a\u8f93\u5165\u72b6\u6001\uff0c\u4e14\u4e0d\u7ba1\u8be5\u811a\u5448\u9ad8\u7535\u5e73\u6216\u4f4e\u7535\u5e73\uff0c\u5bf9\u5916\u5747\u5448\u9ad8\u963b\u72b6\u6001;\u7f6e\u4f4d0\u65f6\u4e3a\u8f93\u51fa\u72b6\u6001\uff0c\u4e0d\u7ba1\u8be5\u811a\u4e3a\u4f55\u79cd\u7535\u5e73\uff0c\u5747\u5448\u4f4e\u963b\u72b6\u6001\uff0c\u6709\u76f8\u5f53\u7684\u9a71\u52a8\u80fd\u529b\uff0c\u4f4e\u7535\u5e73\u5438\u5165\u7535\u6d41\u8fbe25mA\uff0c\u9ad8\u7535\u5e73\u8f93\u51fa\u7535\u6d41\u53ef\u8fbe20mA\u3002\u76f8\u5bf9\u4e8e51\u7cfb\u5217\u800c\u8a00\uff0c\u8fd9\u662f\u4e00\u4e2a\u5f88\u5927\u7684\u4f18\u70b9<\/p>\n

\n\t3\u3001\u5b83\u53ef\u4ee5\u76f4\u63a5\u9a71\u52a8\u6570\u7801\u7ba1\u663e\u793a\u4e14\u5916\u7535\u8def\u7b80\u5355\u3002\u5b83\u7684A\/D\u4e3a10\u4f4d\uff0c\u80fd\u6ee1\u8db3\u7cbe\u5ea6\u8981\u6c42\u3002\u5177\u6709\u5728\u7ebf\u8c03\u8bd5\u53ca\u7f16\u7a0b\uff08ISP\uff09\u529f\u80fd\u3002<\/p>\n

\n\tpic\u5355\u7247\u673a\u4e0d\u8db3\u4e4b\u5904<\/p>\n

\n\t\u5176\u4e13\u7528\u5bc4\u5b58\u5668\uff08SFR\uff09\u5e76\u4e0d\u50cf51\u7cfb\u5217\u90a3\u6837\u90fd\u96c6\u4e2d\u5728\u4e00\u4e2a\u56fa\u5b9a\u7684\u5730\u5740\u533a\u95f4\u5185\uff0880\uff5eFFH\uff09\uff0c\u800c\u662f\u5206\u6563\u5728\u56db\u4e2a\u5730\u5740\u533a\u95f4\u5185\u3002\u53ea\u67095\u4e2a\u4e13\u7528\u5bc4\u5b58\u5668PCL\u3001STATUS\u3001FSR\u3001PCLATH\u3001INTCON\u57284\u4e2a\u5b58\u50a8\u4f53\u5185\u540c\u65f6\u51fa\u73b0\uff0c\u4f46\u662f\u5728\u7f16\u7a0b\u8fc7\u7a0b\u4e2d\uff0c\u5c11\u4e0d\u4e86\u8981\u4e0e\u4e13\u7528\u5bc4\u5b58\u5668\u6253\u4ea4\u9053\uff0c\u5f97\u53cd\u590d\u5730\u9009\u62e9\u5bf9\u5e94\u7684\u5b58\u50a8\u4f53\uff0c\u4e5f\u5373\u5bf9\u72b6\u6001\u5bc4\u5b58\u5668STATUS\u7684\u7b2c6\u4f4d\uff08RP1\uff09\u548c\u7b2c5\u4f4d\uff08RP0\uff09\u7f6e\u4f4d\u6216\u6e05\u96f6\u3002\u6570\u636e\u7684\u4f20\u9001\u548c\u903b\u8f91\u8fd0\u7b97\u57fa\u672c\u4e0a\u90fd\u5f97\u901a\u8fc7\u5de5\u4f5c\u5bc4\u5b58\u5668W\uff08\u76f8\u5f53\u4e8e51\u7cfb\u5217\u7684\u7d2f\u52a0\u5668A\uff09\u6765\u8fdb\u884c\uff0c\u800c51\u7cfb\u5217\u7684\u8fd8\u53ef\u4ee5\u901a\u8fc7\u5bc4\u5b58\u5668\u76f8\u4e92\u4e4b\u95f4\u76f4\u63a5\u4f20\u9001\uff0c\u56e0\u800cPIC\u5355\u7247\u673a\u7684\u74f6\u9888\u73b0\u8c61\u6bd451\u7cfb\u5217\u8fd8\u8981\u4e25\u91cd\uff0c\u8fd9\u5728\u7f16\u7a0b\u4e2d\u7684\u670b\u53cb\u5e94\u8be5\u6df1\u6709\u4f53\u4f1a<\/p>\n

\n\t\u4f7f\u7528\u6700\u591a\u7684\u5668\u4ef6\uff1aPIC16F873\u3001PIC16F877<\/p>\n

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\n\t\"stm32\u5355\u7247\u673a\u4e0epic\u5355\u7247\u673a\u7684\u4f18\u7f3a\u70b9\u5bf9\u6bd4\u5206\u6790\"<\/p>\n

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