View source for WCH-Link/RV USB Debugger/Programmer

== Overview ==

A Chinese chip programmer for WCH CH32V RISC-V chips, implemented with a stripped down / repackaged WCH CH549G development board.

== Firmware ==

TODO: test this!

[https://github.com/kaidegit/CMSIS-DAPbyWCH/raw/main/firmware/WCHLINK_V1.2.bin WCHLINK_V1.2.bin]

There seem to be firmware files included with MounRiver, for example in <code>MounRiver_Studio_Community_Linux_x64_V120/MRS_Community/update/Firmware_Link</code>

== Bill of Materials ==

{| class="wikitable"
! Name
! Marking
! Link
|-
| U1
| WCH CH549G 402036A34 [SOIC-16]
| [http://www.wch.cn/products/CH549.html 8位增强型多接口单片机CH549 - 南京沁恒微电子股份有限公司]
|-
| U2
| 1117M3 332019L 6130714 [SOT-223]
| 
|-
| CN1
| USB Type A female/through hole/right angle
| 
|}

== Online Resources ==

[https://www.wch.cn/downloads/WCH-LinkSCH_PDF.html WCH-LinkSCH.PDF - 南京沁恒微电子股份有限公司]

[https://www.wch.cn/downloads/file/421.html WCH-LinkSCH.PDF]

[https://www.wch.cn/downloads/WCH-LinkUserManual_PDF.html WCH-LinkUserManual.PDF - 南京沁恒微电子股份有限公司]

[https://www.wch.cn/downloads/file/417.html WCH-LinkUserManual.PDF]

[https://www.wch.cn/downloads/WCH-LinkUtility_ZIP.html WCH-LinkUtility.ZIP - 南京沁恒微电子股份有限公司]

[https://www.wch.cn/downloads/file/418.html WCH-LinkUtility.ZIP]

[https://www.aliexpress.com/item/1005003464492526.html WCH link / RV download debugger risc v framework MCU online debugging SWD interface programming | AliExpress] from [https://www.aliexpress.com/store/912459160 HAIHAI Store | AliExpress]

[https://www.aliexpress.com/item/1005002650025485.html Ch549l ch549 development board evaluation board USB development board USB master slave development full speed USB development | AliExpress] from [https://www.aliexpress.com/store/911600652 FAHO Store | AliExpress]

[https://github.com/kaidegit/CMSIS-DAPbyWCH kaidegit/CMSIS-DAPbyWCH: a cheap CMSIS-DAP debugger by an WCH chip named CH549F]