CH34X USB to Serial macOS driver
installation instruction 1
CH34X USB to Serial macOS Driver Installation Instruction
Version: 1I
http://wch.cn
Introduction
This installation guide document shows the procedure of installing the macOS driver for the WCH
USB to Serial devices. The driver can be downloaded from the website:
Link: http://www.wch.cn/downloads/CH341SER_MAC_ZIP.html
System Requirement
OS X 10.9 to OS X 10.15
OS X 11.0(Big Sur) and above
Chip Model Support
CH340/CH341/CH343/CH9101/CH9102/CH9143 (USB to Single Serial Port)
CH342/CH344/CH347/CH9103/CH9104 (USB to Multi Serial Ports)
Installation
1. Download the driver from the website and unzip the file to a local installation directory.
2. When using OS X 11.0 and above and the OS does not support Rosetta, the dmg format
driver should be installed (follow step4), otherwise the pkg format driver should be installed
by default (follow step3).
3. When installing the pkg format driver, click on the driver file and continue to proceed step by
step.
