Olimex launches STMicro STM32MP157 SoM and open-source hardware EVB

Olimex has just launched the STMP157-BASE-SOM-EXT system-on-module (SoM) powered by an STMicro STM32MP157 dual-core Cortex-A7 microprocessor along with the open-source hardware STMP157-BASE-SOM-EVB evaluation board designed in KiCAD.

The CPU module comes with 1GB RAM, an EEPROM for configuration, and power management circuitry, and the carrier board exposes all features of the microprocessor with HDMI video output, LCD display interfaces, a 2MP camera, gigabit Ethernet, USB ports, CAN bus terminal block, audio jacks, several GPIO headers, and more.

Olimex STM32MP157 EVB

STMP157-BASE-SOM-EXT System-on-Module specifications:

  • Microprocessor – STMicro STM32MP157DAA1 dual-core Cortex-A7 processor @ 800 MHz with Arm Cortex-M4 real-time core @ 209 MHz, Vivante 3D GPU with OpenGL ES 2.0 support
  • System Memory – 1GB DDR3
  • Storage – Linux configuration EEPROM
  • Host interface – 6x 40-pin board-to-board connect with 1.27mm pitch for I/Os
  • Misc – User LED, 24 MHz oscillator
  • Power Management  – AXP209 PMIC, LDO, DCDC power management
  • Dimensions – 72 x 48 mm

STMP157-BASE-SOM-EXT

STMP157-BASE-SOM-EVB carrier board specifications:

  • Compatible with STMP157-BASE-SOM-EXT CPU module described above
  • Storage – MicroSD card slot
  • Video Output
    • HDMI output
    • MIPI LCD connector
    • RGB LCD connector compatible with LCD-OLinuXino-5CTS, LCD-OLinuXino-7.0CTS, LCD-OLinuXino-10CTS
  • Camera – 2MP MIPI CSI camera (OV2640-120 sensor)
  • Audio – 3.5mm headphones jack, 3.5mm microphone jack
  • Networking – Gigabit Ethernet port
  • USB – 2x USB 2.0 Type-A host ports, 1x USB OTG port
  • Serial – 2x CAN Bus terminal blocks
  • Expansion
    • UEXT connector
    • EXT1 and EXT2 GPIO connectors
  • Debugging – 3-pin UART connector, optional JTAG connector (not populated)
  • Misc – Reset button, Power LED, flash module connector, boot configuration slide switch
  • Power Supply
    • 5V/2A via power barrel jack
    • 2-pin connector for LiPo battery, built-in charging circuit
  • Dimensions – 122 x 106 mm

Olimex STMP157-BASE-SOM-EVB

Olimex provides a minimal Debian 11 image with Linux 6.x for the module and EVB. A user manual, PDF schematics, and a Linux user guide are provided on the product page for the SoM (see below), and the KiCAD hardware design files, PDF schematics, and user manual for the EVB can be found on GitHub.

Olimex is taking pre-orders for both the STM32MP157 SoM and EVB for 30 Euros each, meaning a full kit with the system-on-module and carrier board costs 60 Euros, and shipping is scheduled to start on November 30. You’ll be able to purchase each and find more documentation on the respective product pages.

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