References

Real Shot

Feature matrix

Feature	WCH-Link	WCH-LinkE	WCH-LinkW	WCH-DAPLink
RISC-V mode	✓	✓	✓
ARM-SWD mode (HID device)				✓
ARM-SWD mode (WinUSB device)	✓	✓	✓	✓
ARM-JTAG mode (HID device)				✓
ARM-JTAG mode (WinUSB device)		✓	✓	✓
ModeS button		✓	✓	✓
DFU via 2-wire	✓
DFU via serial-port	✓
DFU via USB	✓		✓	✓
Power Supply (3.3v)	✓	✓	✓	✓
Power Supply (5.0v)	✓	✓	✓	✓
Power Supply (Configurable)		✓	✓	✓
USB 2.0 to JTAG		✓
Wireless mode			✓
Download via MounRiver Studio	✓	✓	✓	✓
Download via WCH-LinkUtility	✓	✓	✓
Download via Keil	≥ v5.25	≥ v5.25	≥ v5.25	✓

Supported Chip matrix

Chip	WCH-Link	WCH-LinkE	WCH-LinkW	WCH-DAPLink
JTAG interface		✓	✓	✓
SWD interface	✓	✓	✓	✓
CH32F10x	✓	✓	✓	✓
CH32F20x	✓	✓	✓	✓
CH32V003		✓	✓
CH32V10x	✓	✓	✓
CH32V20X	✓	✓	✓
CH32V30X	✓	✓	✓
CH569	✓	✓
CH573	✓	✓
CH579	✓	✓	✓	✓
CH583	✓	✓

Supported Baud matrix

Baud	WCH-Link	WCH-LinkE	WCH-LinkW	WCH-DAPLink
1200	✓	✓	✓	✓
2400	✓	✓	✓	✓
4800	✓	✓	✓	✓
9600	✓	✓	✓	✓
14400	✓	✓	✓	✓
19200	✓	✓	✓	✓
38400	✓	✓	✓	✓
57600	✓	✓	✓	✓
115200	✓	✓	✓	✓
230400	✓	✓	✓	✓
460800		✓	✓	✓
921600		✓	✓	✓

SWD PIN matrix

Chip	SWDIO	SWCLK
CH32F10x	PA13	PA14
CH32F20x	PA13	PA14
CH32V003	PD1
CH32V10x	PA13	PA14
CH32V20X	PA13	PA14
CH32V30X	PA13	PA14
CH32X035	PC18	PC19
CH569	PA11	PA10
CH573	PB14	PB15
CH579	PB16	PB17
CH583	PB14	PB15
CH59x	PB14	PB15
CH643	PC18	PC19

Documentation

• WCH-Link 相关资料汇总
• WCH-Link 使用说明 v1.7
• WCH-LinkSCH.pdf
• User Manual (Chinese)
• User Manual (English)

ISP

• WCHISPTool_Setup.exe v3.3

Firmware

• WCH_RISC-V_MCU_ProgramTool.zip
• WCH-Link v2.3
• WCH-LinkE v1.1

Other FOSS implementation

• https://github.com/openwch/ch32v003 RISC-V QingKeV2 Microprocessor Debug Manual
• https://github.com/cnlohr/ch32v003fun A miniwchlink implementation
• https://github.com/blackmagic-debug/blackmagic/pull/1399
• MounRiver Studio compatible WCH-Link OpenOCD source code https://github.com/treideme/openocd-hacks