dw-link - DIY debugWIRE debugger running on an Arduino UNO R3; Supported and tested MCUs. This is the list of all debugWIRE MCUs, which should all be compatible with dw-gdbserver. MCUs tested with ...

In cases where the DEBUGWIRE is still enabled and SPI isn’t, ... The new code is now able debug an Arduino UNO running at 16 MHz and also includes some bug fixes and enhancements.

The Arduino Uno-compatible board has an MCS-51 (often called 8051 instead) instead of the usual ATmega328P/ATmega168. Specifically, [ElectroBoy] uses the AT89S52 .

To allow debugWire in AVR Studio to function when run against an Arduino UNO, reset-enable must be cut to remove the capacitive load. Some precautions regarding the RESET line must be taken to ensure ...