{"id":3046,"date":"2020-04-08T04:15:02","date_gmt":"2020-04-08T04:15:02","guid":{"rendered":""},"modified":"2020-04-08T12:15:51","modified_gmt":"2020-04-08T04:15:51","slug":"%e5%a6%82%e4%bd%95%e5%bf%ab%e9%80%9f%e8%ae%be%e8%ae%a1%e7%ba%a2%e5%a4%96%e4%bd%93%e6%b8%a9%e6%a3%80%e6%b5%8b%e4%bb%aa%ef%bc%9fti%e6%9d%a5%e6%94%af%e6%8b%9b%ef%bc%81","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=3046","title":{"rendered":"\u5982\u4f55\u5feb\u901f\u8bbe\u8ba1\u7ea2\u5916\u4f53\u6e29\u68c0\u6d4b\u4eea\uff1fTI\u6765\u652f\u62db\uff01"},"content":{"rendered":"

\n\t\u3000\u4f53\u6e29\u68c0\u6d4b\u662f\u6211\u4eec\u5c45\u5bb6\uff0c\u51fa\u5165\u793e\u533a\u6216\u5de5\u4f5c\u573a\u6240\u4ee5\u53ca\u51fa\u884c\u4e2d\u7684\u5fc5\u8981\u76d1\u6d4b\u3002\u7ea2\u5916<\/u>\u4f53\u6e29\u68c0\u6d4b\u4eea\u901a\u8fc7\u975e\u63a5\u89e6\u5f0f\u6d4b\u6e29\u6709\u52a9\u4e8e\u51cf\u5c11\u63a5\u89e6\u4f20\u67d3\u3002\u5728\u8fd9\u91cc\u6211\u4eec\u6765\u548c\u5927\u5bb6\u8c08\u8c08\u8fd9\u4e2a\u7cfb\u7edf\u548c\u4e3b\u8981\u7684\u8bbe\u8ba1\u65b9\u6848\u3002<\/p>\n

\n\t\u3000\u3000MSP430<\/u>\u7cfb\u5217\u5355\u7247\u673a<\/u>\u662f\u5fb7\u5dde\u4eea\u5668<\/u>\uff08TI<\/u>\uff09\u516c\u53f81996\u5e74\u5f00\u59cb\u63a8\u5411\u5e02\u573a\u7684\u4e00\u79cd16\u4f4d\u8d85\u4f4e\u529f\u8017RISC<\/u>\u6df7\u5408\u4fe1\u53f7\u5904\u7406\u5668\uff0c\u57fa\u4e8e\u8be5\u7cfb\u5217\u4ea7\u54c1\u5f00\u53d1\u51fa\u6765\u7684\u5e94\u7528\u4e0d\u8ba1\u5176\u6570\uff0c\u6570\u4e0d\u80dc\u6570\uff0c\u5c24\u5176\u662f\u9762\u5411\u4f20\u611f\u4e0e\u68c0\u6d4b\u7c7b\u7ec8\u7aef\u5e94\u7528\uff0c\u56e0\u5176\u5728\u7247\u4e0a\u96c6\u6210\u6709\u9ad8\u6027\u80fdADC<\/u>\u3001LCD\u9a71\u52a8\u3001\u4e32\u53e3\u901a\u8baf\u3001PWM\u8f93\u51fa\u7b49\u6a21\u5757\uff0c\u6210\u4e3a\u4e86\u7ea2\u5916\u4f53\u6e29\u68c0\u6d4b\u4eea\u5382\u5546\u7684\u4e0d\u4e8c\u4e4b\u9009\u3002\u914d\u5408TI\u63d0\u4f9b\u7684\u4e30\u5bcc\u7684\u7ebf\u4e0a\u8f6f\u786c\u4ef6\u8bbe\u8ba1\u8d44\u6e90\uff0c\u4f7f\u5f97\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u5927\u5927\u7b80\u5316\u8bbe\u8ba1\u6d41\u7a0b\uff0c\u5feb\u901f\u5f00\u53d1\u7ea2\u5916\u4f53\u6e29\u68c0\u6d4b\u4eea\u539f\u578b\u673a\uff0c\u540c\u65f6\u8282\u7701\u7535\u8def\u677f<\/u>\u7a7a\u95f4\u4ece\u800c\u964d\u4f4e\u6210\u672c\u3002<\/p>\n

\n\t <\/div>\n

\n\t\u3000\u3000\u4e0b\u56fe\u63d0\u4f9b\u4e86\u57fa\u4e8eMSP430\u5355\u7247\u673a\u548cTI\u7535\u6e90\u7ba1\u7406<\/u>\u3001\u653e\u5927\u5668<\/u>\u53ca\u6e29\u5ea6\u4f20\u611f\u5668<\/u>\u5668\u4ef6\u7684\u7ea2\u5916\u6e29\u5ea6\u68c0\u6d4b\u4eea\u7cfb\u7edf\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n

\n\t\u3000\u3000<\/p>\n

\n\t\"\u5982\u4f55\u5feb\u901f\u8bbe\u8ba1\u7ea2\u5916\u4f53\u6e29\u68c0\u6d4b\u4eea\uff1fTI\u6765\u652f\u62db\uff01\"<\/p>\n

\n\t\u3000\u3000<\/p>\n

\n\t\u3000\u3000\u56fe 1 \u7ea2\u5916\u4f53\u6e29\u68c0\u6d4b\u4eea\u7cfb\u7edf\u6846\u56fe<\/p>\n

\n\t\u3000\u3000MSP430\u7cfb\u5217\u5355\u7247\u673a\u4f5c\u4e3a\u65b9\u6848\u7684\u4e3b\u63a7MCU<\/u>\uff0c\u53ef\u4e3a\u6d4b\u6e29\u4eea\u7cfb\u7edf\u8bbe\u8ba1\u65b9\u6848\u63d0\u4f9b\u4ee5\u4e0b\u529f\u80fd\u548c\u7279\u6027\uff1a<\/p>\n

\n\t\u3000\u3000\u4e30\u5bcc\u7684\u5916\u8bbe\u6ee1\u8db3\u6d4b\u6e29\u4eea\u8bbe\u8ba1\u9700\u6c42\uff1a<\/strong><\/p>\n

\n\t\u3000\u30001\u3001MSP430\u7247\u4e0a\u96c6\u6210\u7684\u9010\u6b21\u903c\u8fd1\u5f0fSAR ADC\u6216\u9ad8\u5206\u8fa8\u7387Sigma-Delta ADC\u914d\u5408TI\u7684TLV333\u653e\u5927\u5668\u5bf9\u6a21\u62df\u578b\u7ea2\u5916\u6e29\u5ea6\u4f20\u611f\u5668<\/u>\u91c7\u96c6\u5230\u7684\u9ad8\u7cbe\u5ea6\u4fe1\u53f7\u91cf\u8fdb\u884c\u91c7\u6837\u5e76\u8f6c\u6362\u6570\u5b57\u6e29\u5ea6\u91cf\uff0c\u540c\u65f6\u53ef\u4ee5\u5bf9\u7535\u6c60<\/u>\u7535\u538b\u8fdb\u884c\u5b9e\u65f6\u76d1\u63a7<\/u>\uff1b<\/p>\n

\n\t\u3000\u30002\u3001MSP430\u7247\u4e0a\u96c6\u6210\u7684LCD\u9a71\u52a8\u6a21\u5757\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u4e3a\u6d4b\u6e29\u4eea\u5feb\u901f\u5b9e\u73b0LCD\u663e\u793a\u7684\u8bbe\u8ba1\u3002MSP430FR4<\/u>133\u5185\u7f6e\u7684\u9ad8\u8fbe 4×36 \u6bb5\u6216 8×32 \u6bb5 LCD \u9a71\u52a8\u6a21\u5757\uff0c\u66f4\u662f\u652f\u6301LCD\u7684Segment\u548cCOM\u7ba1\u811a\u7684\u7075\u6d3b\u914d\u7f6e\uff0c\u53ef\u4ee5\u7b80\u5316\u5f00\u53d1\u4eba\u5458\u7684PCB\u8bbe\u8ba1<\/u>\uff1b<\/p>\n

\n\t\u3000\u30003\u3001I2C<\/u>\u4e32\u53e3\u901a\u8baf\u63a5\u53e3<\/u>\u53ef\u4ee5\u6ee1\u8db3\u9ad8\u7cbe\u5ea6\u6570\u5b57\u6e29\u5ea6\u4f20\u611f\u5668\u6216\u6570\u5b57\u578b\u7ea2\u5916\u6e29\u5ea6\u4f20\u611f\u5668\u3001\u6570\u5b57\u578b\u63a5\u8fd1\u4f20\u611f\u5668<\/u>\u7b49\u8f85\u52a9\u4f20\u611f\u5143\u4ef6\u7684\u4fe1\u53f7\u91c7\u96c6\u548c\u8f93\u5165\uff1b<\/p>\n

\n\t\u3000\u30004\u3001\u7247\u4e0a\u96c6\u6210\u7684\u5b9a\u65f6\u5668<\/u>\u6a21\u5757\u53ef\u4ee5\u8f93\u51fa\u591a\u8defPWM\u4fe1\u53f7\u4ee5\u9a71\u52a8\u6d4b\u6e29\u4eea\u6307\u793a\u706f<\/u>\u3001\u8702\u9e23\u5668<\/u>\u7b49\u88c5\u7f6e\uff1b<\/p>\n

\n\t\u3000\u30005\u3001GPI<\/u>O\u5728\u8d85\u4f4e\u529f\u8017\u6a21\u5f0f\u4e0b\u7684\u4e2d\u65ad\u4f7f\u80fd\uff0c\u53ef\u4ee5\u4e3a\u7535\u6c60\u4f9b\u7535\u7684\u6d4b\u6e29\u4eea\u7cfb\u7edf\u63d0\u4f9b\u5f85\u673a\u6a21\u5f0f\u4e0b\u7684\u5feb\u901f\u6309\u952e\u54cd\u5e94\u3002<\/p>\n

\n\t\u3000\u3000\u8d85\u4f4e\u529f\u8017\u8bbe\u8ba1\u52a9\u529b\u6d4b\u6e29\u4eea\u7684\u957f\u7eed\u822a\u548c\u9ad8\u4f7f\u7528\u9891\u6b21\uff1a<\/p>\n

\n\t\u3000\u3000MSP430\u7cfb\u5217\u5355\u7247\u673a\u4ece1996\u5e74\u63a8\u51fa\u81f3\u4eca\uff0c\u4e00\u76f4\u4ee5\u8d85\u4f4e\u529f\u8017\u4f5c\u4e3a\u4ea7\u54c1\u7684\u5bb6\u65cf\u57fa\u56e0\uff0c\u4e3a\u4ea7\u54c1\u7684\u4f4e\u529f\u8017\u8bbe\u8ba1\u63d0\u4f9b\u4e30\u5bcc\u7684\u4f4e\u529f\u8017\u667a\u80fd\u5916\u8bbe\u3002\u56e0\u4e3a\u9ad8\u9891\u6b21\u4f7f\u7528\uff0c\u7ea2\u5916\u4f53\u6e29\u68c0\u6d4b\u4eea\u5bf9\u8bbe\u5907\u7535\u6c60\u4f9b\u7535\u7684\u7eed\u822a\u548c\u4f7f\u7528\u9891\u6b21\u8981\u6c42\u9887\u9ad8\uff0c\u56e0\u6b64\u6d4b\u6e29\u4eea\u7684\u4f4e\u529f\u8017\u8fd0\u884c\u4fbf\u6210\u4e3a\u7cfb\u7edf\u8bbe\u8ba1\u7684\u5173\u952e\u6311\u6218\u3002<\/p>\n

\n\t\u3000\u3000\u4e30\u5bcc\u7684\u4ea7\u54c1\u7cfb\u5217\u63d0\u4f9b\u4e86\u7075\u6d3b\u7684\u5185\u5b58\u9009\u62e9\uff1a<\/p>\n

\n\t\u3000\u3000MSP430\u7cfb\u5217\u5355\u7247\u673a\u63d0\u4f9b\u7247\u4e0a16KB\u4ee5\u4e0a\u5b58\u50a8\u5668<\/u>\u53ef\u4ee5\u6ee1\u8db3\u7edd\u5927\u591a\u6570\u6d4b\u6e29\u4eea\u4ea7\u54c1\u7684\u5185\u5b58\u9700\u6c42\u3002\u8be5\u7cfb\u5217\u4e30\u5bcc\u7684\u4ea7\u54c1\u5bb6\u65cf\u66f4\u662f\u63d0\u4f9b\u9ad8\u8fbe512KB\u7684\u591a\u79cd\u5185\u5b58\u9009\u62e9\uff0c\u7528\u6237\u9009\u62e9\u4e0d\u540c\u5185\u5b58\u5927\u5c0f\u7684\u540c\u65f6\u65e0\u9700\u8fc7\u591a\u7684\u5de5\u4f5c\u91cf\u4fbf\u53ef\u4ee5\u5feb\u901f\u8fc1\u79fb\u73b0\u6709\u8bbe\u8ba1\u3002\u53ef\u4e3a\u6d4b\u6e29\u4eea\u63a8\u8350\u7684\u4ea7\u54c1\u578b\u53f7\u6709\uff1a\u3000<\/p>\n

\n\t\"\u5982\u4f55\u5feb\u901f\u8bbe\u8ba1\u7ea2\u5916\u4f53\u6e29\u68c0\u6d4b\u4eea\uff1fTI\u6765\u652f\u62db\uff01\"<\/p>\n

\n\t\u3000\u3000\u88681\u7ea2\u5916\u4f53\u6e29\u4eeaMCU\u4ea7\u54c1\u578b\u53f7\u63a8\u8350<\/p>\n

\n\t\u3000\u3000\u56fe1\u7684\u65b9\u6848\u4e2d\u540c\u65f6\u5305\u62ec\u4e86TI\u4e30\u5bcc\u7684\u7535\u6e90\u7ba1\u7406\u3001\u4fe1\u53f7\u94fe\u548c\u4f20\u611f\u5668\u4ea7\u54c1\u3002<\/p>\n

\n\t\u3000\u3000TPS61099 \u7cfb\u5217\u82af\u7247\u662f\u4e13\u95e8\u9488\u5bf9\u9700\u8981\u8d85\u4f4e\u529f\u8017\u5e94\u7528\u7684\u5347\u538b\u82af\u7247\uff0c\u9996\u5148\uff0c\u9759\u6001\u529f\u8017\u4ec5\u4ec5\u4e3a800nA\uff0c\u800c\u4e14\u8f93\u5165\u7535\u538b\u4f4e\u81f30.7V\uff0c\u53ef\u4ee5\u5b8c\u7f8e\u652f\u6301\u5355\u8282\u5e72\u7535\u6c60<\/u>\u4f9b\u7535\uff0c\u540c\u65f6\u5728\u8f93\u51651.5V\uff0c\u8f93\u51fa3.3V\/10uA\u6761\u4ef6\u4e0b\u53ef\u8fbe\u523080%\u7684\u6548\u7387\u3002TPS61099x\u7cfb\u5217\u82af\u7247\u63d0\u4f9b\u8f93\u51fa\u53ef\u8c03\u7248\u672c\u548c\u8f93\u51fa\u56fa\u5b9a\u7248\u672c\u4e24\u79cd\u4f9b\u5ba2\u6237\u9009\u62e9\uff0c\u56fa\u5b9a\u7248\u672c\u652f\u63011.8V\uff5e5.0V\u51e0\u4e4e\u5404\u79cd\u5e38\u89c1\u8f93\u51fa\u7535\u538b\u3002<\/p>\n

\n\t\u3000\u3000TPS62170\u964d\u538b\u8f6c\u6362\u5668<\/u>\u63d0\u4f9b\u4f4eIQ\uff0c\u6709\u52a9\u4e8e\u5ef6\u957f\u7cfb\u7edf\u7684\u7535\u6c60\u5bff\u547d\uff0c\u5c24\u5176\u662f\u5728\u4e0d\u4f7f\u7528\u7cfb\u7edf\u65f6\u3002\u6b64\u5916\uff0c\u5b83\u8fd8\u652f\u6301\u5728 2 MHz \u4ee5\u4e0a\u7684\u5207\u6362\u9891\u7387\u4e0b\u5b9e\u73b0\u9ad8\u6548\u7387\uff0c\u4ee5\u5e2e\u52a9\u8bbe\u8ba1\u4eba\u5458\u51cf\u5c11\u6240\u9700\u7535\u611f\u5668<\/u>\u7684\u5927\u5c0f\uff0c\u4ece\u800c\u51cf\u5c0f\u6574\u4e2a\u89e3\u51b3\u65b9\u6848\u7684\u5927\u5c0f\u3002<\/p>\n

\n\t\u3000\u3000TLV333\u8fd0\u653e\u662fTI\u7684\u96f6\u6e29\u6f02\u8fd0\u653e\u7cfb\u5217\u4ea7\u54c1\uff0c\u5177\u6709\u9ad8\u7cbe\u5ea6\u4f4e\u529f\u8017\u7684\u7279\u70b9\u3002\u4e00\u65b9\u9762\uff0c\u8be5\u8fd0\u653e\u7684\u8d85\u4f4e\u8f93\u5165\u5931\u8c03\u7535\u538b\uff0815 µV max\uff09\u548c\u4f4e\u6e29\u6f02\uff080.02μV\/\u2103\uff09\u5229\u4e8e\u6700\u5c0f\u5316\u6e29\u5ea6\u68c0\u6d4b\u8bef\u5dee\uff0c\u5176\u8f68\u5230\u8f68\u8f93\u5165\/\u8f93\u51fa\u6027\u80fd\u5e2e\u52a9\u6700\u5927\u5316\u52a8\u6001\u8303\u56f4\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u4f4e\u9759\u6001\u7535\u6d41<\/u>\uff0828 µA max\uff09\u3001\u4f4e\u7535\u538b\uff081.8V to 5.5V\uff09\u548c\u5c0f\u5c3a\u5bf8\u5c01\u88c5\uff08\u6700\u5c0fSC70\u5c01\u88c5\uff09\uff0c\u52a0\u4e0a-40\u2103 \u81f3+125\u2103\u7684\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4\uff0c\u975e\u5e38\u9002\u5408\u624b\u6301\u5f0f\u6216\u7535\u6c60\u4f9b\u7535\u7684\u533b\u7597\u8bbe\u5907\u3002\u6b64\u5916\uff0c\u8be5\u8fd0\u653e\u7cfb\u5217\u4e5f\u6709\u53cc\u901a\u9053\uff08TLV2333\uff09\u548c\u56db\u901a\u9053\uff08TLV4333\uff09\u7684\u9009\u62e9\u3002<\/p>\n

\n\t\u3000\u3000\u5728\u67d0\u4e9b\u7cfb\u7edf\u4e2d\u53ef\u80fd\u9700\u8981\u66f4\u5feb\u7684\u5efa\u7acb\u65f6\u95f4\u548c\u66f4\u4f4e\u7684\u566a\u58f0\u6765\u5e2e\u52a9\u52a0\u5feb\u6e29\u5ea6\u6d4b\u91cf<\/u>\u3002\u5bf9\u4e8e\u8fd9\u4e9b\u60c5\u51b5\uff0cOPA388\u662f\u66ff\u4ee3TLV333\u7684\u4e0d\u9519\u9009\u62e9\u3002OPA388\u5c06\u63d0\u4f9b\u8f83\u4f4e\u7684\u8f93\u5165\u5931\u8c03\u7535\u538b\uff08\u6700\u5927\u503c\u4e3a5μV\uff09\uff0c\u8f83\u4f4e\u7684\u566a\u58f0\uff087 nV \/ rt\uff08Hz\uff09\uff09\u548c\u66f4\u5feb\u7684\u5efa\u7acb\u65f6\u95f4\uff082μs\uff09\uff0c\u6240\u6709\u8fd9\u4e9b\u90fd\u5c06\u6709\u52a9\u4e8e\u6700\u5c0f\u5316\u5efa\u7acb\u65f6\u95f4\u548c\u6240\u9700\u7684\u5e73\u5747\u91c7\u6837\u6570\u91cf\u8fbe\u5230\u6307\u5b9a\u7684\u6e29\u5ea6\u5206\u8fa8\u7387\u3002<\/p>\n

\n\t\u3000\u3000TI\u5177\u6709\u591a\u79cd\u8fd0\u7b97\u653e\u5927\u5668<\/u>\uff0c\u53ef\u7528\u4e8e\u6a21\u62df\u4f20\u611f\u5143\u4ef6\u548cADC\u4e4b\u95f4\u7684\u4fe1\u53f7\u63a5\u53e3\u3002\u4e0b\u8868\u5217\u51fa\u4e86\u5176\u4ed6\u53ef\u4ee5\u9002\u7528\u4e8e\u6b64\u8bbe\u8ba1\u7684\u653e\u5927\u5668\uff0c\u6240\u6709\u653e\u5927\u5668\u5747\u91c7\u7528\u53cc\u91cd\u5c01\u88c5\u3002<\/p>\n

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