STM32MP135 Pico-ITX SBC features 38x32mm EBYTE CPU module with 512MB RAM, 512MB NAND flash

EBYTE ECB10-135A5M5M-I is a pico-ITX single board computer (SBC) equipped with a small STM32MP135 Arm Cortex-A7 CPU module from the company equipped with 512MB DDR3L, 512MB NAND flash, a Gigabit Ethernet PHY, and power circuitry.

The industrial-grade SBC itself features RGB and HDMI 2.0 connectors supporting up to 1366×768 resolution, 3.5mm Line in and out jacks, several USB connectors, and two “UIO” expansion ports with RS485, RS485, CAN Bus, GPIO, and other I/Os. These features make the board suitable for industrial automation, smart cities, display and control terminals, and other industrial applications.

EBYTE ECB10-135A5M5M-I specifications:

• EBYTE ECK10-135A5M5M-I core board
  • SoC – STMicro STM32MP135AAF3 single-core Arm Cortex-A7 core clocked at 650MHz
  • System Memory – 512MB DDR3L
  • Storage – 512MB SLC NAND flash
  • Networking – Gigabit Ethernet PHY
  • Host interface – 128-pin stamp holes
  • Power Management
    • 3.3V/1A power input
    • PMIC – STPMIC1APQR
    • 2x 1.7-3.0V LDO with 350mA max current
  • Dimensions – 38 x 32mm
• Storage – MicroSD card slot
• Display Interfaces
  • 40-pin FPC parallel display interface up to WXGA (1366×768) @ 60Hz; RGB888 and touchscreen support
  • HDMI 2.0 up to WXGA
• Audio
  • 3.5mm Line out jack (green)
  • 3.5mm microphone jack (pink)
• Networking
  • Gigabit Ethernet RJ45 port
  • 2.4GHz WiFi and Bluetooth using one IPEX antenna connector
• USB
  • 2x USB 2.0 Type-A host ports
  • 2x USB 2.0 interfaces via UIO expansion ports
  • 1x USB Type-C OTG port
• Expansion – 2x UIO expansion connectors with
  • 4x GPIO
  • 1x CAN FD
  • 1x RS485/422/232 up to 10 Mbps (RS485) or 250 Kbps (RS232)
  • 1x UART, 2x I2C
  • Reset and Power button signals
  • 2x 5V/1A and 2x 3.3/V/1A
• Debugging – 3-pin UART header
• Misc
  • Reset button
  • Power, “Run”, and user LEDs
  • Watchdog
  • RTC with battery connector
  • RS485/422/232 selection jumper
  • DIP boot switch for flash, OTG, or SD card selection
• Power Supply – 12V/1A DC input
• Dimensions – 100 x 72 mm (Pico-ITX form factor)
• Temperature Range – 40 to +85°C

An embedded Linux BSP is offered with kernel 6.1.128, U-boot-2022.10, all device drivers, a Ubuntu 18.04!! image with XFCE desktop, Buildroot, and STM32Cube development tools. I could not find a download link, so I assume it’s only for customers. There’s however a “Software Application Guide” and a “product manual” with more information to get started which you’ll find on the product page.

While it’s the first STM32MP135 Pico-ITX SBC we’ve covered, I can see iWave Systems also made one based on its iW-RainboW-G54S OSM-compliant system-on-module with 512MB RAM and a 4GB eMMC flash. But we previously wrote about several other STM32MP13x modules and SBCs including Digi ConnectCore MP13 SoM with WiFi 5 and Bluetooth 5.0, MYiR Tech MYC-YF13X system-on-module and development kit, and M5Stack CoreMP135 ultra-compact industrial controller.

EBYTE sells the ECB10-135A5M5M-I single board computer on AliExpress for $74.99 including shipping and the CPU module for $26.99.  But for some strange reason, there’s also a kit with the CPU module and a 7-inch display (1024×600) on the latter link going for $64.99.

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