1、产品手册
CH343DS1.PDF - 南京沁恒微电子股份有限公司CH343技术手册，USB转单串口芯片，支持最高6M波特率，串口信号支持1.8~5V，内置晶振。CH343使用系统集成的CDC驱动或厂商驱动。厂商驱动支持完整串口功能和更高波特率。
2、参考设计与官方EVT说明
CH343EVT.ZIP - 南京沁恒微电子股份有限公司CH343评估板设计原理图，用于USB转串口。
3、驱动下载
Windows驱动
下载链接：
CH342/CH343/CH344/CH347/CH9101/CH9102/CH9103/CH9104/CH9143 Windows驱动链接
http://www.wch.cn/download/CH343SER_EXE.html说明：USB转高速串口Windows厂商驱动程序，支持32位和64位Windows 2000/XP/Vista/7/8/8.1/10/11/SERVER 2003/2008/2012/2016/2019/2022，通过微软数字签名认证，支持CH342/CH343/CH344/CH347/CH9101/CH9102/CH9103/CH9143，支持USB转UART/3线和9线SERIAL串口，支持高速波特率，用于随产品发行到最终用户。
Linux驱动
下载链接：
CH343SER Linux驱动链接
GitHub - WCHSoftGroup/ch343ser_linux: USB driver for USB to serial chip ch342, ch343, ch344, ch9101, ch9102, ch9103, etcUSB driver for USB to serial chip ch342, ch343, ch344, ch9101, ch9102, ch9103, etc - GitHub - WCHSoftGroup/ch343ser_linux: USB driver for USB to serial chip ch342, ch343, ch344, ch9101, ch9102, ch9103, etc
https://github.com/WCHSoftGroup/ch343ser_linux简要说明：CH342/CH343/CH344/CH347/CH9101/CH9102/CH9103/CH9143 的USB转串口LINUX驱动程序，随系统进行编译安装，支持各类处理器架构，支持32/64位系统。
Android驱动
下载链接：
CH340/CH341/CH342/CH343/CH344/CH347/CH9101/CH9102/CH9103/CH9104/CH9143 安卓驱动链接
https://www.wch.cn/downloads/CH341SER_ANDROID_ZIP.html简要说明：CH342/CH343/CH344/CH347/CH9101/CH9102/CH9103/CH9143 的USB转串口安卓免驱应用库，用于Android操作系统3.1及以上版本的USB Host模式，无需加载Android内核驱动，无需root权限操作。包含apk安装程序，lib库文件（Java Driver），App Demo例程(USB转UART Demo工程SDK)。
MacOS驱动
下载链接：
CH340/CH341/CH342/CH343/CH344/CH347/CH9101/CH9102/CH9103/CH9104/CH9143 MAC驱动链接https://www.wch.cn/downloads/CH341SER_MAC_ZIP.html简要说明：CH340/CH341/CH342/CH343/CH344/CH347/CH9101/CH9102/CH9103/CH9143的USB转串口macOS厂商驱动程序，支持OS X 10.9~10.15，OS X 11（Big Sur）及以上，内有安装指导文档。
4、相关博客
CH343芯片—硬件设计指南
CH343芯片应用—硬件设计指南_ch343p_PC技术小能手的博客-CSDN博客CH343属于沁恒第三代USB转串口芯片系列的单串口型号，基于经典版CH340芯片完成技术革新，实现USB转高速异步串口。串口支持最高6Mbps串口波特率。_ch343phttps://blog.csdn.net/WCH_TechGroup/article/details/124799454CH343芯片—Windows系统安装与使用
CH343芯片应用—Windows驱动安装与使用_ch343驱动_PC技术小能手的博客-CSDN博客CH343芯片Windows驱动安装和使用说明_ch343驱动https://blog.csdn.net/WCH_TechGroup/article/details/124801135CH343芯片—Linux系统安装与使用
CH342/CH343/CH344/CH347/CH9101/CH9102/CH9103/CH9104 Linux串口驱动使用教程_PC技术小能手的博客-CSDN博客CH343 Linux串口驱动 ch343ser_linux 支持USB转串口芯片 ch342/ch343/ch344/ch347/ch9101/ch9102/ch9103/ch9104等 ，同时该驱动配合ch343_lib库还提供了芯片GPIO接口的读写功能，内部EEPROM的信息配置和读取功能等。CH344Q：16CH344L：12CH9102F：5CH9102X：6可以使用git clone下载该驱动，也可以点击网页下载压缩包文件。https://blog.csdn.net/WCH_TechGroup/article/details/132173723
CH343芯片—USB配置工具使用说明
USB配置工具CH34xSerCfg使用说明_PC技术小能手的博客-CSDN博客USB转串口配置工具，可配置芯片 VID、PID、最大电流值、厂商和产品信息字符串等参数。_ch34xsercfghttps://blog.csdn.net/WCH_TechGroup/article/details/124472808
