The new Raspberry Pi Debug Probe: a plug-and-play Arm debug kit #RaspberryPi #RaspberryPiPico #Arm @Raspberry_Pi

Today, Raspberry Pi launched the Raspberry Pi Debug Probe, a complete debug hardware solution for Arm-based microcontrollers, powered by RP2040, and priced at just $12.

The Raspberry Pi Debug Probe provides:

  • A USB to Serial Wire Debug (SWD) bridge
  • A generic USB serial adapter
  • Cables to connect to a host computer, and to the debug target

What is a debug probe?

All modern Arm-based microcontrollers, including RP2040, implement Arm’s CoreSight debug architecture. Each processor core, like the Cortex-M0+ used in RP2040, provides an Access Port (AP) which can be used to single step, set breakpoints, observe the values of processor registers, and access memory and peripherals via the processor’s bus interface.

While it has been designed with Raspberry Pi Pico, and other RP2040-based targets, in mind, the Raspberry Pi Debug Probe can be used to debug any Arm-based microcontroller that provides an SWD port with 3V3 I/O.

For users who do not require debug functionality, the Raspberry Pi Debug Probe’s low price makes it a cost-effective alternative to other USB serial adapters, such as the once-ubiquitous FTDI cable.

Read more from Raspberry Pi and on Tom’s Hardware.

Buy from Adafruit starting the afternoon of February 20th.


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