Last edited 4 months ago

STM32MP25 Discovery kits - starting for the first time


This article aims to present how to configure and start for the first time an STM32MP257x-DKx Discovery kits that has just been flashed. It is valid for the STM32MP257F-DK More info green.png Evaluation boards: the part numbers are specified in the STM32MP25 microprocessor part numbers article.


Now that the image is flashed on the STM32MP257x-DKx Discovery kit, let's finalize the system configuration:

  • Step 0: check that the LVDS display board is well connected.
  • Step 1: check the configuration of the boot switches:
    • The boot related switches must be configured so that the device (e.g. microSD card ) on which the image has been flashed is selected as boot source.
The figure below shows the boot switches for the recommended boot from microSD card.
Boot from microSD card
  • Step 2: (optionally) connect a USB keyboard and/or a USB mouse (not provided) using the USB type-A ports (4 in the picture below).
  • Step 3: (optionally) connect an Ethernet cable (not provided) to the dedicated connector (5).
STM3STM32MP257x-DKx Discovery kit connections (picture is not contractual)


  • Step 4: if the Flash device is a microSD card, check that it is inserted into the dedicated slot (3).
  • Step 5: connect the USB Power – TypeC cable to the connector (1).
  • Step 6: (optionally) install and configure a remote Terminal program (e.g. Minicom on Ubuntu Linux PC or Tera Term on Windows PC) onto your host PC, and connect the ST-LINK/V3 USB type-C port (1) to a host PC that runs a Terminal program with ST-LINK/V3 virtual port.
  • Step 7: press the reset button (2) to reset the board

The board boots and the system will be available after few seconds.