Unpack the STM32MP257x-DK board

Applicable for STM32MP23x lines  STM32MP25x lines

STM32MP257F-DK.png
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1. Overview[edit | edit source]

This first step explains how to unpack the STM32MP257x-DK Discovery kit board and the additional equipment you need.

2. Required equipment[edit | edit source]

The following table lists the equipment required to start playing with your STM32MP257x-DK board.
Some of them are delivered within the STM32MP257x-DK Discovery kit board. The others need to be purchased separately.

STM32MP257F-DK Discovery kit board Full-featured board for STM32MP25 microprocessor devices Delivered
MicroSD card To be populated with the OpenSTLinux Distribution (Linux software)
and providing extra storage capacity.
A 2-Gbyte minimum microSD card is needed
Delivered
5V/3A power supply The power supply should be able to output 5V / 3A (15W) Not Delivered
USB Type-C cable Used to connect the STM32MP257F-DK Discovery kit board to the PC
through the USB C (ST-LINK/V3)
Not delivered
USB Type-C to USB Type-A cable Used to connect the STM32MP257F-DK Discovery kit board to an USB OTG device. Not delivered
Laptop A Linux PC running Ubuntu 22.04 is required. Not delivered
Ethernet cable (optional) Used to connect the STM32MP257F-DK Discovery kit board through ssh (can be done with USB OTG) Not delivered
LVDS screen LVDS WSVGA display B-LVDS7-WSVGA board (Finished good BLVDS7SVGA$PZ1) Not delivered
Camera Module 5-megapixel image sensor raw Bayer B-CAMS-IMX board (Finished good BCAMSIMX$MZ1) Not delivered

3. Board assembly[edit | edit source]

The STM32MP257x-DKx Discovery kits package (STM32MP257F-DK More info green.png) contains the items listed below.

Position Description
1 MB1605 motherboard
2 microSD card


STM32MP257x-DKx Discovery kit out of the box
STM32MP257F-DK Discovery kit shown here (picture not contractual)
Info white.png Information
To complete the basic setup, you can buy an LVDS display and a CSI camera

The complete set will be then:

STM32MP257F-DK and additional accessories kits shown here (picture is not contractual)
Position Description
1 MB1605 main board
2 MicroSD card
3 LVDS display cable (provided via B-LVDS7-WSVGA package) - optional
4 7” LVDS WSVGA display with touch panel EDT ETML0700Z9NDHA panel provided via B-LVDS7-WSVGA package - optional
5 camera board FFC (provided via B-CAMS-IMX package) - optional
6 MB1854 board AI camera provided via B-CAMS-IMX package - optional


STM32MP257x-DK Discovery kit assembly
STM32MP257F-DK shown here (picture is not contractual)


3.1. How to connect LVDS display to ST board - optional[edit | edit source]

Display board assembly (picture is not contractual)


  • Check the above cable orientation thanks to the black mark and the white twisted pairs.
  • Find the LVDS port on STM32MP257x-DK Discovery kit (CN2) and the one on the display (CN1). One cable is provided in the LVDS display box.
  • On each port, insert the cable as described:
Display board assembly (picture is not contractual)


3.2. How to connect MB1854 camera board to ST board - optional[edit | edit source]

Camera board assembly (picture is not contractual)


  • Find the camera port on STM32MP257x-DK Discovery kit (CN8) (1 - in picture above) and the one on MB1854 (CN1) (2 - in picture above). One FFC is provided in the camera box.


  • On each port, carefully:
    • lightly pull the black plastic (1 - in picture below) to insert the contact side of the FFC towards the board (2 - in picture below).
    • Push the black plastic to hold the FFC (3 - in picture below).
Camera board assembly (picture is not contractual)


3.3. STM32MP257x-DK Discovery kit assembled[edit | edit source]


STM32MP257x-DK Discovery kit assembled
STM32MP257F-DK shown here (picture is not contractual)



4. Board connections[edit | edit source]

MB1605 motherboard: STM32MP257F 14x14MicroSD card slot, on back side2 x USB type A (host) → E.g. mouse  Keyboard  USB driver...USB2.0 DRD TypeC  →   flashing via STM32CubeProgrammerReset buttonEthernet → NetworkUSB Power Delivery TypeC → Power or  STLINKHDMI→ TV ScreenCSI camera connectorLVDS display connector
STM32MP257x-DKx Discovery kit connections (picture is not contractual)
  • Connect your laptop to the board ST-LINK/V3 port (7) through the USB Type-C cable.
  • Connect your laptop to the board USB Type-COTG port (4) through the USB Type-C to USB Type-A.
  • Optionally connect your Ethernet network to the board Ethernet port (6) through the Ethernet cable.


Info white.png Information
The LED located on the top middle of the board should be green when the power is on.



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