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2026-06-29T09:14:21Z

Mmuehlberger: /* DHSBC STM32MP2x */

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| style="text-align: center;" | [[Image:Welcome.jpg|200px|Welcome to DH electronics MediaWiki]]
| style="text-align: center;" | [[Image:LOGO_DH_electronics-SMALL.jpg|200px|Welcome to DH electronics MediaWiki]]
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''Welcome to DH electronics MediaWiki. This Wiki has the aim to provide our customers technical support for DH electronics products.''

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=== [[DHSBC STM32MP2x]] ===

Single Board Computer based on the solderable DHCOS STM32MP2.

Click '''[[DHSBC_STM32MP2x|here]]''' to get support information for our '''[[DHSBC_STM32MP2x|STM32MP25]]''' products.
| style="text-align: right; border: darkgray; border-style: solid; border-width: 1px 0 0 0;" |[[Image:DHSBC STM32MP2-Pers-medres.jpg|center|350px|DHSBC STM32MP25|link=DHSBC_STM32MP2x]]

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=== [[DHSBC STM32MP13]] ===

Single Board Computer based on the solderable DHCOR STM32MP13.

Click '''[[DHSBC_STM32MP13|here]]''' to get support information for our '''[[DHSBC_STM32MP13|STM32MP13]]''' products.
| style="text-align: right; border: darkgray; border-style: solid; border-width: 1px 0 0 0;" |[[Image:DHCOR-STM32MP13_Pers_medres.png|center|350px|DHSBC STM32MP13|link=DHSBC_STM32MP13]]

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=== [[Avenger96]] ===

The AVENGER Board is a 96Boards compliant consumer edition board based on the STM32MP15 series of SoCs.

Click '''[[Avenger96|here]]''' to get support information for our '''[[Avenger96]]''' products.
| style="text-align: right; border: darkgray; border-style: solid; border-width: 1px 0 0 0;" |[[Image:Avenger96_Pers.png|center|350px|Avenger96|link=Avenger96]]

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=== [[DHSOM|DHSOM]] ===

A '''System On Module''' (SOM) is a powerful embedded computer on a compact circuit board.

Our DHCOM modules offer high performance coupled with extensive features and interfaces, low power consumption
as well as compact size.Possible applications for our modules are in visualization, multimedia, automation and communication devices

Click '''[[DHSOM|here]]''' to get support information for our '''[[DHSOM|DHSOM]]''' products.
| style="text-align: right;" |[[Image:IM6Modul.png|center|300px|COM iMX6-D2|link=DHSOM]]
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=== [[DHMI]] ===

DHMI is our HMI systems (Human-Machine Interface) product range. The standard series are equipped with resistive or capacitive touch displays and our SOM.

Click '''[[DHMI|here]]''' to get support information for our '''[[DHMI]]''' products.
| style="text-align: right; border: darkgray; border-style: solid; border-width: 1px 0 0 0;" |[[Image:HMI_7_mit_Rahmen_Display_medres_wiki.png|center|350px|DHMI|link=DHMI]]

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=== [[DHCON]] ===

Our DHCON products are optimized for smart home & building as well as Industry 4.0 and IoT applications.

Click '''[[DHCON|here]]''' to get support information for our '''[[DHCON]]''' products.
| style="text-align: right; border: darkgray; border-style: solid; border-width: 1px 0 0 0;" |[[Image:IN-RAIL.png|center|350px|DHCON|link=DHCON]]
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=== [[Image:XLON Logo in Schwarz von SD Kopie.jpg|120px|DH electronics XLON|link=XLON]] ===

'''XLON''' products are network interfaces and infrastructure components for LonWorks technology.

Click '''[[XLON|here]]''' to get support information for our '''[[XLON]]''' products.
| style="text-align: right; border: darkgray; border-style: solid; border-width: 1px 0 0 0;" |[[Image:XLON U10.png|center|275px|XLON U10|link=XLON]]

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DHSBC STM32MP2x

2026-06-29T09:09:43Z

Mmuehlberger:

'''The DHSBC STM32MP255C board is the official DHCOS STM32MP2 reference design!'''

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|[[Image:DHSBC_STM32MP2-Top-medres.jpg|600px|DHSBC STM32MP255C]]
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== Introduction ==
Reference design for secure industrial IoT devices based on STM32MP2

* Single Board Computer based on solderable, pin-compatible DHCOS STM32MP2 SOM
* Industrial grade, 10+ years available
* Mainline Linux support (also for Vivante GPU)
* Security Features e.g. Secure Boot / Storage
* Connectivity: Gbit Ethernet, WiFi/BT
* Multimedia: 3D GPU, display, video, camera
* STPMIC25 supports low power modes

== Technical Details ==
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* '''STM32MP255C
**2x ARM Cortex-A35 with 1.2 GHz
**1x ARM Cortex-M33 up to 400 MHz
'''
*'''PMIC''' STPMIC25D
*'''LPDDR4 32-bit''' 4 Gbyte @ 1200 MHz
*'''eMMC Flash''' 16 Gbyte
*'''NOR Flash''' 4 Mbyte, Quad SPI interface
*'''EEPROM''' 4 kbyte
*'''microSD socket'''
*'''RTC''' temp. compensated RV-3032-C7
*'''USB Host''' 1x type A, 2.0 high-speed
*'''USB Type-C''' 1x USB-C 3.2 Gen 1x1 with DisplayPort alt. mode support
*'''WiFi / Bluetooth'''
**Tri band 2.4 GHz, 5 GHz and 6 GHz for IEEE802.11a/b/g/n/ac/ax
**Bluetooth® v5.4 BR/EDR/LE
**Antenna: U-FL connector
*'''Ethernet''' 2x 10 / 100 / 1000 Mbit/s, IEEE 802.3-compliant
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*'''LVDS''' 1x Dual Link, 2x 4-lane LVDS connector
*'''MIPI-CSI2''' 1x 2-lanes connector
*'''TPM''' (Trusted Platform Module)2.0 device ST33KTPM2I
*'''Push-Buttons''' Power and reset
*'''Battery Socket''' CR1216, CR1220 and CR1225
*'''Boot Mode''' 4 bit boot mode switch
*'''Debug Interface''' JTAG interface via tag-connect
*'''Supply''' 5 VDC, USB Type-C power supply port
*'''Dimensions ''' 85 x 56 mm
*'''Raspberry Pi 40-pin Expansion'''
**2 x UART
**1 x I2C
**1 x I2S
**1 x SPI
**2 x PWM
**2 x CAN
**up to 28 x GPIOs
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== Product Change Notifications (PCN) ==
* [[media:PCN_DHCOS-STM32MP2-001_R01_2026-03-23.pdf|PCN_DHCOS-STM32MP2-001_R01_2026-03-23.pdf (16Gbyte eMMC ACON poor availability)]]

== IMPORTANT INFORMATIONS ==
* <span style="color:#FF0000">'''The DHSBC DisplayPort functionality has not yet been implemented at this time. The test image is a headless image. If you want to connect a display, please contact DH electronics. We can offer a 10" LVDS test kit, or you can connect your own LVDS display and we will assist with implementation.'''</span>

== Documentation ==
* [[media:DOC_DHSBC-STM32MP25-Quick-Start-Guide_R01_2025-09-11.pdf|Getting-Started with DHSBC STM32MP255C]]
* DHCOS STM32MP2 User Manual: * [https://www.dh-electronics.com/en/embedded-products/dhsom/detail/dhcos-stm32mp2 DHCOS STM32MP2 product page --> DOWNLOADS]
* '''OLD --> See homepage for the latest version of the user manual''' [[media:USM_DHCOS-STM32MP2x-preliminary_2025-05-27.pdf|DHCOS STM32MP2 User Manual <span style="color:#FF0000">'''IMPORTANT: Please have a look at chapter 27. Hardware design checklist'''</span>]]

== Design Files ==
* [[media:SCH_739-100-HS00048-customer-preliminary_R03_2025-03-27.pdf|DHSBC STM32MP255C Schematic]]
* [[media:DHCOS-STM32MP2-3D-STEP-736-100_R01_2025-03-25.zip|DHCOS STM32MP2 3D STEP file]]
* [[media:DHSBC-STM32MP2-3D-STEP-739-100-R01 2025-09-12.zip|DHSBC STM32MP255C 3D STEP file]]

== Software ==
* [https://github.com/dh-electronics/kas-dhsom Build your own Yocto LTS via kas (GitHub)]
: Note: Please use dh-stm32mp25-dhcos-dhsbc.yml configuration.
* [https://github.com/dh-electronics/meta-dhsom-stm32-wip-bsp Yocto BSP meta layer (Github)]
: Note: Currently, for the DHCOS STM32MP2, we use the 'meta-dhsom-stm32-wip-bsp' (work in progress) layer. The STM32MP2 will later be integrated into the meta-dhsom-stm32-bsp layer.
* [https://github.com/dh-electronics/prebuilt-test-images-dhsom Prebuilt test images for DH electronics DHSOM platforms]
: Note: Please use STM32-linux*_*_'''dh-stm32mp25-dhcos-dhsbc'''_* configuration

== Useful instructions ==
==== Setup new board and install image files via USB (dfu and ums mode) / U-Boot recovery via DFU ====
*[[DHSBC STM32MP255C DFU and UMS usage|DHSBC STM32MP255C DFU and UMS usage]]

==== How to connect to WiFi network ====
:'''Establish connection'''
:{| class="wikitable"
|<tt>$ wpa_passphrase "SSID" > /etc/wpa_supplicant.conf</tt>
|}
:-> In the next step, please enter the password
:{| class="wikitable"
|<tt>$ rfkill unblock all</tt>
|-
|<tt>$ wpa_supplicant -B -i wlansom0 -c /etc/wpa_supplicant.conf</tt>
|}
:'''Disconnect'''
:{| class="wikitable"
|<tt>$ ip link set wlansom0 down</tt>
|}
==== Use GPIOs ====
:'''To list available GPIOs, use the gpioinfo command:'''
:{| class="wikitable"
|<tt>$ gpioinfo</tt>
|}
gpiochip0 - 16 lines:
line 0: "DHSBC_HW-CODE_0" input consumer="kernel"
line 1: "DHSBC_HW-CODE_1" input
line 2: "DHSBC_HW-CODE_2" input
line 3: "PA3" input
line 4: "DHCOS-E" input
line 5: "DHCOS-J" input
line 6: "PA6" input
line 7: "PA7" input
...

:'''To set a GPIO as Output-High:'''
:{| class="wikitable"
|<tt>$ gpioset "LABLE"=1</tt>
|}

:'''To set a GPIO as Output-Low:'''
:{| class="wikitable"
|<tt>$ gpioset "LABLE"=0</tt>
|}

:'''To get current state of a GPIO:'''
:{| class="wikitable"
|<tt>$ gpioget "LABLE"</tt>
|}

==== Configure systemd network configuration ====
:'''Find configuration files:'''
:{| class="wikitable"
|<tt>find /usr -name \*wlansom0\*</tt>
|-
|<tt>find /usr -name \*ethsom0\*</tt>
|-
|<tt>find /usr -name \*ethsom1\*</tt>
|}

:'''systemd network configuration:'''
* [https://wiki.archlinux.org/title/Systemd-networkd systemd-networkd documentation]
* [https://www.freedesktop.org/software/systemd/man/latest/systemd.network.html systemd.network — Network configuration]

== Links ==
* [https://www.dh-electronics.com/en/embedded-products/dhsom/detail/dhcos-stm32mp2x DH DHCOS STM32MP2]
* [https://www.dh-electronics.com/en/embedded-products/development-carrier-boards/detail/dhsbc-stm32mp25 DH DHSBC STM32MP255C]
* [https://wiki.st.com/stm32mpu/wiki/Main_Page STM32 MPU wiki]
* [https://wiki.st.com/stm32mpu/wiki/STM32MP23_resources STM32MP23 resources]
* [https://wiki.st.com/stm32mpu/wiki/STM32MP25_resources STM32MP25 resources]