{"id":77423,"date":"2024-01-07T09:02:05","date_gmt":"2024-01-07T01:02:05","guid":{"rendered":"\/\/www.dealsbon.com\/?p=77423"},"modified":"2024-01-07T09:02:05","modified_gmt":"2024-01-07T01:02:05","slug":"sihubj","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/77423.html","title":{"rendered":"SPI\u3001I2C\u548cUART\u6bd4\u8f83"},"content":{"rendered":"
\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8SPI\u3001I2C\u548cUART\u8fd9\u4e09\u79cd\u4e32\u884c\u901a\u4fe1\u534f\u8bae<\/a>\uff0c\u6bd4\u8f83\u5b83\u4eec\u7684\u4f18\u7f3a\u70b9\uff0c\u4ee5\u53ca\u5728\u4e0d\u540c\u5e94\u7528\u573a\u666f\u4e0b\u7684\u9002\u7528\u6027\u3002<\/p>\n SPI\uff08Serial Peripheral Interface\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u5916\u56f4\u8bbe\u5907\u8fde\u63a5\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\u3002\u5b83\u4f7f\u7528\u56db\u6761\u7ebf\u8fdb\u884c\u901a\u4fe1\uff0c\u5305\u62ec\u4e00\u4e2a\u65f6\u949f\u7ebf\u3001\u4e00\u6761\u4e3b\u8bbe\u5907\u8f93\u51fa\uff08\u4ece\u8bbe\u5907\u8f93\u5165\uff09\u7ebf\u3001\u4e00\u6761\u4ece\u8bbe\u5907\u8f93\u51fa\uff08\u4e3b\u8bbe\u5907\u8f93\u5165\uff09\u7ebf\u548c\u4e00\u6761\u7247\u9009\u7ebf\u3002SPI\u534f\u8bae\u9002\u7528\u4e8e\u9ad8\u901f\u6570\u636e\u4f20\u8f93\uff0c\u662f\u8bb8\u591a\u4f20\u611f\u5668\u3001\u5b58\u50a8\u5668\u4ef6\u548c\u5176\u4ed6\u5916\u56f4\u8bbe\u5907\u7684\u9996\u9009\u901a\u4fe1\u63a5\u53e3\u3002<\/p>\n 1. \u9ad8\u901f\u4f20\u8f93\uff1aSPI\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u901f\u6570\u636e\u4f20\u8f93\uff0c\u4f7f\u5176\u5728\u9700\u8981\u5feb\u901f\u6570\u636e\u4ea4\u6362\u7684\u5e94\u7528\u4e2d\u8868\u73b0\u51fa\u8272\u3002<\/p>\n 2. \u7b80\u5355\u8bbe\u8ba1\uff1aSPI\u534f\u8bae\u76f8\u5bf9\u7b80\u5355\uff0c\u6613\u4e8e\u7406\u89e3\u548c\u5b9e\u73b0\uff0c\u4f7f\u5176\u6210\u4e3a\u4e00\u79cd\u5e38\u7528\u7684\u4e32\u884c\u901a\u4fe1\u65b9\u5f0f\u3002<\/p>\n 1. \u8fde\u63a5\u5668\u6570\u91cf\u591a\uff1aSPI\u534f\u8bae\u9700\u8981\u56db\u6761\u7ebf\u8fdb\u884c\u901a\u4fe1\uff0c\u56e0\u6b64\u5728\u8fde\u63a5\u65f6\u9700\u8981\u66f4\u591a\u7684\u5f15\u811a\uff0c\u5bf9\u4e8e\u8d44\u6e90\u53d7\u9650\u7684\u8bbe\u5907\u6765\u8bf4\u53ef\u80fd\u4e0d\u592a\u9002\u7528\u3002<\/p>\n 2. \u957f\u8ddd\u79bb\u4f20\u8f93\u9650\u5236\uff1aSPI\u7684\u4fe1\u53f7\u4f20\u8f93\u8ddd\u79bb\u6709\u9650\uff0c\u968f\u7740\u4f20\u8f93\u8ddd\u79bb\u7684\u589e\u52a0\uff0c\u4fe1\u53f7\u8870\u51cf\u4f1a\u5bf9\u901a\u4fe1\u8d28\u91cf\u4ea7\u751f\u5f71\u54cd\u3002<\/p>\n I2C\uff08Inter-Integrated Circuit\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u82af\u7247\u95f4\u901a\u4fe1\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\u3002\u76f8\u6bd4\u4e8eSPI\uff0cI2C\u534f\u8bae\u4f7f\u7528\u4e24\u6761\u7ebf\u8fdb\u884c\u901a\u4fe1\uff0c\u5305\u62ec\u4e00\u4e2a\u65f6\u949f\u7ebf\u548c\u4e00\u4e2a\u53cc\u5411\u6570\u636e\u7ebf\u3002I2C\u534f\u8bae\u9002\u7528\u4e8e\u8fde\u63a5\u5927\u91cf\u4ece\u8bbe\u5907\u7684\u573a\u666f\uff0c\u5982\u4f20\u611f\u5668\u9635\u5217\u3001\u89e6\u6478\u5c4f\u548c\u5176\u4ed6\u9700\u8981\u5927\u91cf\u5730\u5740\u9009\u5740\u7684\u5e94\u7528\u3002<\/p>\n 1. \u591a\u4ece\u8bbe\u5907\u8fde\u63a5\uff1aI2C\u534f\u8bae\u652f\u6301\u591a\u4ece\u8bbe\u5907\u8fde\u63a5\u5230\u540c\u4e00\u6761\u603b\u7ebf\u4e0a\uff0c\u6613\u4e8e\u5b9e\u73b0\u8bbe\u5907\u95f4\u7684\u4e92\u8054\u3002<\/p>\n 2. \u7b80\u5316\u786c\u4ef6\u9700\u6c42\uff1a\u7531\u4e8e\u53ea\u9700\u4e24\u6839\u7ebf\u8fdb\u884c\u901a\u4fe1\uff0cI2C\u534f\u8bae\u53ef\u4ee5\u8282\u7701\u5927\u91cf\u5f15\u811a\u8d44\u6e90\uff0c\u9002\u7528\u4e8e\u9700\u8981\u8282\u7701\u786c\u4ef6\u8d44\u6e90\u7684\u573a\u666f\u3002<\/p>\n 1. \u901f\u5ea6\u8f83\u4f4e\uff1a\u76f8\u5bf9\u4e8eSPI\u548cUART\uff0cI2C\u7684\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u8f83\u6162\uff0c\u8fd9\u5728\u4e00\u4e9b\u5bf9\u4f20\u8f93\u901f\u5ea6\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u5408\u53ef\u80fd\u4e0d\u592a\u9002\u7528\u3002<\/p>\n 2. \u7ebf\u8def\u5bb9\u91cf\u6709\u9650\uff1a\u7531\u4e8eI2C\u534f\u8bae\u4f7f\u7528\u4e24\u6761\u7ebf\u8fdb\u884c\u901a\u4fe1\uff0c\u7ebf\u8def\u5bb9\u91cf\u76f8\u5bf9\u6709\u9650\uff0c\u8fde\u63a5\u8fc7\u591a\u8bbe\u5907\u53ef\u80fd\u4f1a\u4ea7\u751f\u901a\u4fe1\u95ee\u9898\u3002<\/p>\n UART\uff08Universal Asynchronous Receiver\/Transmitter\uff09\u662f\u4e00\u79cd\u7ecf\u5178\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u901a\u5e38\u7528\u4e8e\u5728\u8ba1\u7b97\u673a\u53ca\u5176\u5916\u56f4\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002UART\u534f\u8bae\u4f7f\u7528\u4e24\u6761\u7ebf\u8fdb\u884c\u901a\u4fe1\uff0c\u5305\u62ec\u4e00\u4e2a\u4f20\u8f93\u7ebf\u548c\u4e00\u4e2a\u63a5\u6536\u7ebf\uff0c\u5e76\u91c7\u7528\u5f02\u6b65\u901a\u4fe1\u65b9\u5f0f\u3002<\/p>\n 1. \u7b80\u5355\u6613\u7528\uff1aUART\u534f\u8bae\u8bbe\u8ba1\u7b80\u5355\uff0c\u6613\u4e8e\u5b9e\u73b0\uff0c\u901a\u5e38\u88ab\u7528\u4e8e\u8fde\u63a5\u4f20\u611f\u5668\u3001\u6a21\u5757\u7b49\u5916\u56f4\u8bbe\u5907\u3002<\/p>\n 2. \u9002\u7528\u4e8e\u957f\u8ddd\u79bb\u4f20\u8f93\uff1a\u76f8\u8f83\u4e8eSPI\u548cI2C\uff0cUART\u534f\u8bae\u5728\u957f\u8ddd\u79bf\u4f20\u8f93\u65f6\u8868\u73b0\u66f4\u4e3a\u53ef\u9760\u3002<\/p>\n 1. \u901f\u5ea6\u8f83\u4f4e\uff1a\u76f8\u6bd4\u4e8eSPI\u548c\u90e8\u5206I2C\u8bbe\u5907\uff0cUART\u7684\u4f20\u8f93\u901f\u5ea6\u8f83\u4f4e\uff0c\u4e0d\u9002\u5408\u8981\u6c42\u9ad8\u901f\u6570\u636e\u4ea4\u6362\u7684\u573a\u5408\u3002<\/p>\n 2. \u7ebf\u8def\u5bb9\u91cf\u6709\u9650\uff1a\u4e0eI2C\u7c7b\u4f3c\uff0cUART\u534f\u8bae\u540c\u6837\u4f7f\u7528\u4e24\u6761\u7ebf\u8fdb\u884c\u901a\u4fe1\uff0c\u8fde\u63a5\u8fc7\u591a\u8bbe\u5907\u53ef\u80fd\u4f1a\u4ea7\u751f\u901a\u4fe1\u95ee\u9898\u3002<\/p>\nSPI\u534f\u8bae<\/h2>\n
SPI\u534f\u8bae\u4f18\u70b9<\/h3>\n
SPI\u534f\u8bae\u7f3a\u70b9<\/h3>\n
I2C\u534f\u8bae<\/h2>\n
I2C\u534f\u8bae\u4f18\u70b9<\/h3>\n
I2C\u534f\u8bae<\/a>\u7f3a\u70b9<\/h3>\n
UART\u534f\u8bae<\/h2>\n
UART\u534f\u8bae\u4f18\u70b9<\/h3>\n
UART\u534f\u8bae\u7f3a\u70b9<\/h3>\n
\u603b\u7ed3<\/h2>\n