Module Overview

WCH-Link module can be used for online debugging and downloading of WCH RISC-V MCU, and also for online debugging and downloading of ARM MCU with SWD/JTAG interface. It also comes with a serial port for easy debugging output.

Module Picture

Module Features

• Support 3.3V/5V dual power output
• Support USB to TTL serial port function
• Support RISC-V chip single/dual line download debugging
• Support ARM MCU with SWD/JTAG interface for downloading and debugging
• Support firmware auto-detection and upgrade
• 3.3V/5V output power supply controllable
• Automatic power-off protection function
• Red and blue LED indicators, easy to view the working status
• Support the upper computer one key to switch the working mode

Work Mode

Function Comparison

Development Tools

MounRiver Studio

WCH-LinkUtility

Development Materials

1. User Manual: WCH-LinkUserManual.PDF WCH-LinkUserManual-EN.PDF
2. WCH-Link schematic diagram: WCH-LinkSCH.PDF
3. WCH-Link Local Burning Tool: WCH-LinkUtility.ZIP
4. Integrated Development Environment (IDE): MounRiver Studio(MRS)
5. WCH-LinkE high-speed JTAG upgrade tool: WCHLinkEJtagUpdTool.ZIP

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