Configuration:framework = wd-riscv-sdk

The WD Firmware package contains firmware applications and Processor Support Package (PSP) for various cores, alongside demos which support all features

For more detailed information please visit vendor site.


PIO Unified Debugger - “1-click” solution for debugging with a zero configuration.

Tools & Debug Probes

Supported debugging tools are listed in “Debug” column. For more detailed information, please scroll table by horizontal. You can switch between debugging Tools & Debug Probes using debug_tool option in “platformio.ini” (Project Configuration File).


You will need to install debug tool drivers depending on your system. Please click on compatible debug tool below for the further instructions.

On-Board Debug Tools

Boards listed below have on-board debug probe and ARE READY for debugging! You do not need to use/buy external debug probe.

Name Platform MCU Frequency Flash RAM
Digilent Nexys A7 CHIPS Alliance   320MHz 16MB 1.16MB


Name Description
CHIPS Alliance The CHIPS Alliance develops high-quality, open source hardware designs relevant to silicon devices and FPGAs.




Name Platform Debug MCU Frequency Flash RAM
Digilent Nexys A7 CHIPS Alliance On-board   320MHz 16MB 1.16MB