The Ebyte ECK10-131A2M2M-I is an industrial-grade Linux System-on-Module (SoM) powered by the STMicroelectronics STM32MP131AAF3 650MHz ARM Cortex-A7 MPU, integrating 256MB DDR3L, 256MB NAND Flash, and an on-board Gigabit Ethernet PHY into a 38x32mm stamp-hole package designed for stable edge computing from -40 to +85 degrees Celsius.
| Spec Category | Parameter Dimension | Technical Specifications (Ebyte ECK10-131A2M2M-I) |
| Core Processing | Processor | STMicroelectronics STM32MP131AAF3 |
| CPU Architecture | Single-core ARM Cortex-A7 @ 650 MHz | |
| Memory & Storage | RAM | 256 MB DDR3L SDRAM (16-bit bus width) |
| Flash Storage | 256 MB Parallel NAND Flash | |
| Ethernet & Connectivity | Network PHY | On-board Gigabit Ethernet PHY |
| Interface Pins | USB 2.0 x2 (or USB 2.0 Host + OTG), UART x4, SPI x5, I2C x4, CAN FD x2 | |
| OS & Development | Software Support | Linux (OpenSTLinux / Buildroot / Yocto Project) |
| Physical Specs | Form Factor | Stamp-hole (plated half-holes for surface mounting) |
| Dimensions | 38 mm x 32 mm x 3.1 mm | |
| Weight | 20 grams | |
| Operating Specs | Operating Temperature | -40 to +85 degrees Celsius (True Industrial-grade) |
| Processor | STM32MP131AAF3 / STM32MP135AAF3 | |
| Single-core ARM Cortex-A7 · 650 MHz | ||
| Storage | RAM | On-board DDR3L SDRAM · 16-bit wide · 256 MB / 512 MB optional |
| FLASH | On-board parallel NAND FLASH · 256 MB / 512 MB optional | |
| Display | 1× parallel display interface · max WXGA 1366×768 @60fps · 24/18/16/8-bit output (MP135 only) | |
| Camera | 1× digital camera input (MP135 only) | |
| SD / MMC | Up to 2× MMC/SD/SDIO interfaces (bootable) | |
| USB | 2× USB 2.0 or 1× USB 2.0 + 1× USB OTG | |
| Audio | Up to 4× I2S full-duplex | |
| UART / USART | Up to 4× UART | |
| Up to 3× USART | ||
| SPI / QSPI | 1× QSPI (bootable) | |
| Up to 5× SPI | ||
| Ethernet | Up to 2× Ethernet MAC · 1× 10/100/1000 Gigabit Ethernet PHY on-board | |
| CAN FD | Up to 2× FDCAN (MP135 only) | |
| I2C | Up to 4× I2C | |
| ADC | Up to 8× 12-bit ADC input channels | |
| JTAG | System JTAG Controller supported | |
| GPIO | Up to 86× GPIO with interrupt support | |
| Power Output | 3.3V · max 1A | |
| PMIC LDO1 · software-adjustable 1.7–3.0V · max 350mA | ||
| PMIC LDO2 · software-adjustable 1.7–3.0V · max 350mA | ||
Practical Application Scenarios
Scenario 1: Smart Grid Concentrators and IoT Edge Gateways
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Regional Industry Pain Points: Power distribution networks and municipal grids require edge devices to collect massive serial data (Modbus, DLMS/COSEM) from meters and instantly upload it over secure Ethernet protocols. Standard microcontrollers lack the processing power and RAM to handle complete Linux security stacks, while standard consumer-grade single-board computers fail under the extreme temperature swings of outdoor electric cabinets.
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Ebyte Technical Solution: Operating reliably between -40 and +85 degrees Celsius, the Ebyte ECK10-131A2M2M-I provides a secure Linux environment (OpenSTLinux/Yocto) that runs encryption protocols, MQTT brokers, and databases smoothly. Utilizing the on-board Gigabit Ethernet PHY, local controllers can rapidly stream filtered telemetry back to utility servers with minimal latency.
Scenario 2: Industrial Human-Machine Interface (HMI) for Factory Automation
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Regional Industry Pain Points: Factory floor machinery requires robust display terminals that showcase real-time sensor diagnostics, production logs, and control switches. Developing custom HMI boards from scratch around discrete MPUs, high-speed DDR memory routing, and power management ICs (PMICs) is extremely complex, expensive, and risks failing electromagnetic compatibility (EMC) compliance tests.
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Ebyte Technical Solution: The ECK10-131A2M2M-I can be bundled directly with Ebyte's ECA10-7LCD24R1006CT-C 7-inch LCD display kit. This off-the-shelf bundle provides hardware engineers with a ready-to-run Linux HMI platform. Developers bypass high-speed PCB routing complexities entirely, enabling fast HMI panel application development using lightweight GUI frameworks like LVGL or Qt.
Scenario 3: Intelligent Charging Stations for Electric Vehicles (EV)
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Regional Industry Pain Points: Modern EV fast-charging stations are complex IoT systems. They need to handle secure RFID/NFC payments, coordinate power management over dual CAN FD buses, run interactive LCD screens, and maintain constant connection to a central cloud network.
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Ebyte Technical Solution: This SoM integrates all the critical hardware (650MHz Cortex-A7, DDR3L, and storage) to host these distinct processes on a single embedded Linux build. Its physical I/O layout supports 2 x CAN FD ports to manage the internal power conversion modules, up to 4 x UART lines for peripheral card readers and billing meters, and standard USB connections for wireless modems.
FAQ Section
Q1: What are the main benefits of using a stamp-hole (plated half-hole) SoM compared to connector-type modules?
A1: The stamp-hole design of the ECK10-131A2M2M-I allows it to be soldered directly onto your custom baseboard via automated surface mount (SMT) machinery. This eliminates the need for expensive board-to-board connectors, lowering total bill-of-materials (BOM) costs. More importantly, it provides superior physical durability in high-vibration environments, such as inside agricultural machinery or heavy industrial control cabinets, where connectors could loosen over time.
Q2: Does the module require custom DDR3 or flash memory configuration out of the box?
A2: No. The ECK10-131A2M2M-I is a fully integrated System-on-Module. It comes pre-configured with 256MB DDR3L SDRAM and 256MB parallel NAND Flash storage. Power routing, impedance matching, and high-speed signal integrity for the memory bus are all handled on the module's multi-layer PCB, allowing engineers to focus purely on their application-level baseboard interfaces.
Q3: What operating systems are officially supported, and where do I find the SDK?
A3: This module fully supports mainline Linux operating systems, including STMicroelectronics’ official OpenSTLinux distribution, as well as customized Yocto Project and Buildroot environments. Ebyte provides complete board support packages (BSP), system images, and development SDK documentation to help embedded software engineers start writing code immediately.
Q4: Can I buy this core board with an integrated touch screen display?
A4: Yes. Ebyte offers the ECK10-131A2M2M-I as a standalone Core Board for custom integration, as well as an official development bundle that includes the ECA10-7LCD24R1006CT-C 7-inch LCD display kit. This bundle is ideal for rapid software prototyping, screen testing, and HMI development.
