{"id":502,"date":"2022-05-23T17:52:49","date_gmt":"2022-05-23T09:52:49","guid":{"rendered":"https:\/\/usei.cn\/?p=502"},"modified":"2022-05-23T17:52:50","modified_gmt":"2022-05-23T09:52:50","slug":"%e7%a1%ac%e4%bb%b6%e9%80%9a%e8%ae%af%e5%8d%8f%e8%ae%ae-uart-%e5%8d%8f%e8%ae%ae","status":"publish","type":"post","link":"https:\/\/usei.cn\/index.php\/2022\/05\/23\/%e7%a1%ac%e4%bb%b6%e9%80%9a%e8%ae%af%e5%8d%8f%e8%ae%ae-uart-%e5%8d%8f%e8%ae%ae\/","title":{"rendered":"\u786c\u4ef6\u901a\u8baf\u534f\u8bae \u2013 UART \u534f\u8bae"},"content":{"rendered":"\n

\u534f\u8bae\u6982\u8ff0<\/h2>\n\n\n\n

UART\u4ee3\u8868\u901a\u7528\u5f02\u6b65\u63a5\u6536\u5668\/\u53d1\u9001\u5668\u4e5f\u79f0\u4e3a\u4e32\u53e3\u901a\u8baf<\/strong>\uff0c\u5b83\u4e0d\u50cfSPI\u548cI2C\u8fd9\u6837\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u800c\u662f\u5fae\u63a7\u5236\u5668\u4e2d\u7684\u7269\u7406\u7535\u8def\u6216\u72ec\u7acb\u7684IC\u3002<\/p>\n\n\n\n

UART\u7684\u4e3b\u8981\u76ee\u7684\u662f\u53d1\u9001\u548c\u63a5\u6536\u4e32\u884c\u6570\u636e\uff0c\u5176\u6700\u597d\u7684\u4f18\u70b9\u662f\u5b83\u4ec5\u4f7f\u7528\u4e24\u6761\u7ebf<\/strong>\u5728\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002UART\u7684\u539f\u7406\u5f88\u5bb9\u6613\u7406\u89e3\u3002<\/p>\n\n\n\n

UART\u901a\u4fe1<\/h2>\n\n\n\n

\u5728UART\u901a\u4fe1\u4e2d\uff0c\u4e24\u4e2aUART\u76f4\u63a5\u76f8\u4e92\u901a\u4fe1\u3002 \u53d1\u9001UART\u5c06\u63a7\u5236\u8bbe\u5907\uff08\u5982CPU\uff09\u7684\u5e76\u884c\u6570\u636e\u8f6c\u6362\u4e3a\u4e32\u884c\u5f62\u5f0f\uff0c\u4ee5\u4e32\u884c\u65b9\u5f0f\u5c06\u5176\u53d1\u9001\u5230\u63a5\u6536UART\u3002\u53ea\u9700\u8981\u4e24\u6761\u7ebf\u5373\u53ef\u5728\u4e24\u4e2aUART\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\uff0c\u6570\u636e\u4ece\u53d1\u9001UART\u7684Tx\u5f15\u811a\u6d41\u5230\u63a5\u6536UART\u7684Rx\u5f15\u811a\uff1a<\/p>\n\n\n\n

\"\"<\/div><\/a><\/figure>\n\n\n\n

UART\u5c5e\u4e8e\u5f02\u6b65\u901a\u8baf<\/strong>\uff0c\u8fd9\u610f\u5473\u7740\u6ca1\u6709\u65f6\u949f\u4fe1\u53f7\uff0c\u53d6\u800c\u4ee3\u4e4b\u7684\u662f\u5728\u6570\u636e\u5305\u4e2d\u6dfb\u52a0\u5f00\u59cb\u548c\u505c\u6b62\u4f4d\u3002\u8fd9\u4e9b\u4f4d\u5b9a\u4e49\u4e86\u6570\u636e\u5305\u7684\u5f00\u59cb\u548c\u7ed3\u675f\uff0c\u56e0\u6b64\u63a5\u6536UART\u77e5\u9053\u4f55\u65f6\u8bfb\u53d6\u8fd9\u4e9b\u6570\u636e\u3002<\/p>\n\n\n\n

\u5f53\u63a5\u6536UART\u68c0\u6d4b\u5230\u8d77\u59cb\u4f4d\u65f6\uff0c\u5b83\u5c06\u4ee5\u7279\u5b9a\u6ce2\u7279\u7387\u7684\u9891\u7387\u8bfb\u53d6\u3002\u6ce2\u7279\u7387\u662f\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u7684\u5ea6\u91cf\uff0c\u4ee5\u6bcf\u79d2\u6bd4\u7279\u6570\uff08bps\uff09\u8868\u793a\u3002\u4e24\u4e2aUART\u5fc5\u987b\u4ee5\u5927\u7ea6\u76f8\u540c\u7684\u6ce2\u7279\u7387\u5de5\u4f5c\uff0c\u53d1\u9001\u548c\u63a5\u6536UART\u4e4b\u95f4\u7684\u6ce2\u7279\u7387\u53ea\u80fd\u76f8\u5dee\u7ea610\uff05\u3002<\/p>\n\n\n\n

<\/p>\n\n\n\n

\u5de5\u4f5c\u539f\u7406<\/strong><\/h2>\n\n\n\n

\u53d1\u9001UART\u4ece\u6570\u636e\u603b\u7ebf\u83b7\u53d6\u5e76\u884c\u6570\u636e\u540e\uff0c\u5b83\u4f1a\u6dfb\u52a0\u4e00\u4e2a\u8d77\u59cb\u4f4d\uff0c\u4e00\u4e2a\u5947\u5076\u6821\u9a8c\u4f4d\u548c\u4e00\u4e2a\u505c\u6b62\u4f4d\u6765\u7ec4\u6210\u6570\u636e\u5305\u5e76\u4eceTx\u5f15\u811a\u4e0a\u9010\u4f4d\u4e32\u884c\u8f93\u51fa\uff0c\u63a5\u6536UART\u5728\u5176Rx\u5f15\u811a\u4e0a\u9010\u4f4d\u8bfb\u53d6\u6570\u636e\u5305\u3002<\/p>\n\n\n\n

\"\"<\/div><\/a><\/figure>\n\n\n\n

UART\u6570\u636e\u5305\u542b\u67091\u4e2a\u8d77\u59cb\u4f4d\uff0c5\u81f39\u4e2a\u6570\u636e\u4f4d\uff08\u53d6\u51b3\u4e8eUART\uff09\uff0c\u4e00\u4e2a\u53ef\u9009\u7684\u5947\u5076\u6821\u9a8c\u4f4d\u4ee5\u53ca1\u4e2a\u62162\u4e2a\u505c\u6b62\u4f4d\uff1a<\/p>\n\n\n\n

\"\"<\/div><\/a><\/figure>\n\n\n\n

\u8d77\u59cb\u4f4d\uff1a<\/strong><\/p>\n\n\n\n

UART\u6570\u636e\u4f20\u8f93\u7ebf\u901a\u5e38\u5728\u4e0d\u4f20\u8f93\u6570\u636e\u65f6\u4fdd\u6301\u5728\u9ad8\u7535\u538b\u7535\u5e73\u3002\u5f00\u59cb\u4f20\u8f93\u65f6\u53d1\u9001UART\u5728\u4e00\u4e2a\u65f6\u949f\u5468\u671f\u5185\u5c06\u4f20\u8f93\u7ebf\u4ece\u9ad8\u7535\u5e73\u62c9\u4f4e\u5230\u4f4e\u7535\u5e73\uff0c\u5f53\u63a5\u6536UART\u68c0\u6d4b\u5230\u9ad8\u7535\u538b\u5230\u4f4e\u7535\u538b\u8f6c\u6362\u65f6\uff0c\u5b83\u5f00\u59cb\u4ee5\u6ce2\u7279\u7387\u7684\u9891\u7387\u8bfb\u53d6\u6570\u636e\u5e27\u4e2d\u7684\u4f4d\u3002<\/p>\n\n\n\n

\u6570\u636e\u5e27\uff1a<\/strong><\/p>\n\n\n\n

\u6570\u636e\u5e27\u5185\u5305\u542b\u6b63\u5728\u4f20\u8f93\u7684\u5b9e\u9645\u6570\u636e\u3002\u5982\u679c\u4f7f\u7528\u5947\u5076\u6821\u9a8c\u4f4d\uff0c\u5219\u53ef\u4ee5\u662f5\u4f4d\uff0c\u6700\u591a8\u4f4d\u3002\u5982\u679c\u4e0d\u4f7f\u7528\u5947\u5076\u6821\u9a8c\u4f4d\uff0c\u5219\u6570\u636e\u5e27\u7684\u957f\u5ea6\u53ef\u4ee5\u4e3a9\u4f4d\u3002<\/p>\n\n\n\n

\u6821\u9a8c\u4f4d\uff1a<\/strong><\/p>\n\n\n\n

\u5947\u5076\u6821\u9a8c\u4f4d\u662f\u63a5\u6536UART\u5224\u65ad\u4f20\u8f93\u671f\u95f4\u662f\u5426\u6709\u4efb\u4f55\u6570\u636e\u66f4\u6539\u7684\u65b9\u5f0f\u3002\u63a5\u6536UART\u8bfb\u53d6\u6570\u636e\u5e27\u540e\uff0c\u5b83\u5c06\u5bf9\u503c\u4e3a1\u7684\u4f4d\u6570\u8fdb\u884c\u8ba1\u6570\uff0c\u5e76\u68c0\u67e5\u603b\u6570\u662f\u5076\u6570\u8fd8\u662f\u5947\u6570\uff0c\u662f\u5426\u4e0e\u6570\u636e\u76f8\u5339\u914d\u3002<\/p>\n\n\n\n

\u505c\u6b62\u4f4d\uff1a<\/strong><\/p>\n\n\n\n

\u4e3a\u4e86\u5411\u6570\u636e\u5305\u7684\u7ed3\u5c3e\u53d1\u51fa\u4fe1\u53f7\uff0c\u53d1\u9001UART\u5c06\u6570\u636e\u4f20\u8f93\u7ebf\u4ece\u4f4e\u7535\u538b\u9a71\u52a8\u5230\u9ad8\u7535\u538b\u81f3\u5c11\u6301\u7eed\u4e24\u4f4d\u65f6\u95f4\u3002<\/p>\n\n\n\n

\u4f20\u8f93\u6b65\u9aa4<\/strong><\/h2>\n\n\n\n

\u53d1\u9001UART\u4ece\u6570\u636e\u603b\u7ebf\u5e76\u884c\u63a5\u6536\u6570\u636e\uff1a<\/p>\n\n\n\n

\"\"<\/div><\/a><\/figure>\n\n\n\n

2.\u53d1\u9001UART\u5c06\u8d77\u59cb\u4f4d\uff0c\u5947\u5076\u6821\u9a8c\u4f4d\u548c\u505c\u6b62\u4f4d\u6dfb\u52a0\u5230\u6570\u636e\u5e27\uff1a<\/p>\n\n\n\n

\"\"<\/div><\/a><\/figure>\n\n\n\n

3.\u6574\u4e2a\u6570\u636e\u5305\u4ece\u53d1\u9001UART\u4e32\u884c\u53d1\u9001\u5230\u63a5\u6536UART\u3002\u63a5\u6536UART\u4ee5\u9884\u5148\u914d\u7f6e\u7684\u6ce2\u7279\u7387\u5bf9\u6570\u636e\u7ebf\u8fdb\u884c\u91c7\u6837\uff1a<\/p>\n\n\n\n

\"\"<\/div><\/a><\/figure>\n\n\n\n

4.\u63a5\u6536UART\u4e22\u5f03\u6570\u636e\u5e27\u4e2d\u7684\u8d77\u59cb\u4f4d\uff0c\u5947\u5076\u6821\u9a8c\u4f4d\u548c\u505c\u6b62\u4f4d\uff1a<\/p>\n\n\n\n

\"\"<\/div><\/a><\/figure>\n\n\n\n

5.\u63a5\u6536UART\u5c06\u4e32\u884c\u6570\u636e\u8f6c\u6362\u56de\u5e76\u884c\u6570\u636e\uff0c\u5e76\u5c06\u5176\u4f20\u8f93\u5230\u63a5\u6536\u7aef\u7684\u6570\u636e\u603b\u7ebf\uff1a<\/p>\n\n\n\n

\"\"<\/div><\/a><\/figure>\n\n\n\n

\u4f18\u52a3<\/strong><\/p>\n\n\n\n

\u6ca1\u6709\u4efb\u4f55\u901a\u4fe1\u534f\u8bae\u662f\u5b8c\u7f8e\u7684\uff0c\u4f46\u662fUART\u975e\u5e38\u64c5\u957f\u4e8e\u5176\u5de5\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5229\u5f0a\uff0c\u53ef\u5e2e\u52a9\u60a8\u786e\u5b9a\u5b83\u4eec\u662f\u5426\u9002\u5408\u60a8\u7684\u9879\u76ee\u9700\u6c42\uff1a<\/p>\n\n\n\n

\u4f18\u70b9<\/strong><\/p>\n\n\n\n

\u4ec5\u4f7f\u7528\u4e24\u6839\u7535\u7ebf\u65e0\u9700\u65f6\u949f\u4fe1\u53f7\u5177\u6709\u5947\u5076\u6821\u9a8c\u4f4d\u4ee5\u5141\u8bb8\u8fdb\u884c\u9519\u8bef\u68c0\u67e5\u53ea\u8981\u53cc\u65b9\u90fd\u8bbe\u7f6e\u597d\u6570\u636e\u5305\u7684\u7ed3\u6784\u6709\u636e\u53ef\u67e5\u5e76\u5f97\u5230\u5e7f\u6cdb\u4f7f\u7528\u7684\u65b9\u6cd5<\/p>\n\n\n\n

\u7f3a\u70b9<\/strong><\/p>\n\n\n\n

\u6570\u636e\u5e27\u7684\u5927\u5c0f\u6700\u5927\u4e3a9\u4f4d\u4e0d\u652f\u6301\u591a\u4e2a\u4ece\u5c5e\u7cfb\u7edf\u6216\u591a\u4e2a\u4e3b\u7cfb\u7edf\u6bcf\u4e2aUART\u7684\u6ce2\u7279\u7387\u5fc5\u987b\u5728\u5f7c\u6b64\u768410\uff05\u4e4b\u5185<\/p>\n","protected":false},"excerpt":{"rendered":"

\u534f\u8bae\u6982\u8ff0 UART\u4ee3\u8868\u901a\u7528\u5f02\u6b65\u63a5\u6536\u5668\/\u53d1\u9001\u5668\u4e5f\u79f0\u4e3a\u4e32\u53e3\u901a\u8baf\uff0c\u5b83\u4e0d\u50cfSPI\u548cI2C\u8fd9\u6837\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u800c\u662f\u5fae\u63a7\u5236\u5668\u4e2d […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,54],"tags":[],"class_list":["post-502","post","type-post","status-publish","format-standard","hentry","category-lot","category-protocol"],"_links":{"self":[{"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/posts\/502","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/comments?post=502"}],"version-history":[{"count":1,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/posts\/502\/revisions"}],"predecessor-version":[{"id":510,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/posts\/502\/revisions\/510"}],"wp:attachment":[{"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/media?parent=502"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/categories?post=502"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/tags?post=502"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}