IIC SPI UART

IIC, SPI, UART是三种常见的串行通信接口协议。

IIC（Inter-Integrated Circuit）总线是双向、串行、多主控接口标准。它使用两根线（SCL和SDA）进行通信，并具有总线仲裁机制。IIC总线适用于近距离、非经常性的数据通信，常用于同一板卡上芯片之间的通信。<em>1</em><em>2</em><em>3</em>
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- *1* *2* *3* [UART, SPI, IIC的详解及三者的区别和联系](https://blog.csdn.net/houyichaochao/article/details/81008831)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT3_1"}} ] [.reference_item]
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