Measuring only 45mm by 43mm, the MYC-YA157I CPU Module is a compact ST STM32MP1 powered System-on Module (SoM) that combines the STM32MP157 processor (STM32MP157AAC3), 512MB DDR3, 4GB eMMC as well as an integrated GigE PHY chip. A number of peripherals and IO signals are brought out through 1.0 mm pitch 164-pin stamp-hole (Castellated-Hole) expansion interface to make the module an excellent embedded controller for your system integration. Typical applications are industrial control, consumer electronics, smart home, medical and more other energy-efficient applications which require rich performance and low power.

MYC-YA157I CPU Module

The MYC-YA157I is running Linux OS. Based on Linux 4.19.9 kernel, MYIR provides abundant software resources for Yocto 2.6 based MYIR MEasy-HMI system, Yocto 2.6 based ST Weston system, Yocto 2.6 based MYIR MEasy-IOT system and Ubuntu 18.04 system including kernel and driver source code, STM32CubeProgrammer and STM32CubeMX tools to enable users to start their development rapidly and easily.

The MYD-YA157I development board is built around the MYC-YA157I CPU Module. It takes full advantages of the STM32MP157A MPU to explore a rich set of peripherals and interfaces to the base board including RS232, RS485, USB Type-C DRP, USB2.0 HOST, Gigabit Ethernet, WiFi/Bluetooth, CAN, Micro SD Card Slot, JTAG, RGB888 based LCD/HDMI, MIPI-DSI, etc. The MYD-YA157I development board is delivered with one Quick Start Guide, one Type-C cable, one USB to TTL serial cable and one WiFi/Bluetooth antenna to provide user a complete platform for evaluating and prototyping based on STM32MP1 series microprocessors. MYIR also offers MY-CAM002U Camera Module and MY-TFT070CV2 LCD Module as options for the board.

MYD-YA157I Development Board Top-view

MYD-YA157I Development Board Bottom-view

Features

Mechanical Parameters

• Dimensions: 45mm x 43mm
• PCB Layers: 8-layer design
• Power supply: 5V/0.5A
• Working temperature: 0~70 Celsius (commercial grade) or -40~85 Celsius (industrial grade)

Processor

• STMicroelectronics STM32MP157AAC3 Microprocessor
  - Up to 650MHz dual-core Arm Cortex-A7 32-bit RISC core
  - Up to 209MHz Arm Cortex-M4 32-bit RISC core with FPU/MPU
  - Integrated 3D GPU

Memory

• 512MB DDR3 (supports up to 1GB DDR3)
• 4GB eMMC Flash (supports up to 64GB eMMC)
• Nand Flash (alternative design with eMMC, supporting 256MB / 512MB /1GB Nand Flash)

Peripherals and Signals Routed to Pins

• One 10/100/1000M Ethernet PHY
• 1.0mm pitch 164-pin stamp hole expansion interface
  - 8 x Serial ports
  - 6 x I2C
  - 6 x SPI
  - 1 x SAI
  - 1 x USB 2.0 Host and 1 x USB 2.0 OTG
  - 2 x SDIO
  - 2 x CAN
  - 1 x MIPI-DSI
  - 1 x Digital Camera Interface (DCMI)
  - 1 x RGB Interface (supports RGB888, resolution up to 1366 x 768 @60fps)
  - Up to 97 x GPIOs

Note: the peripheral signals brought out to the expansion interface are listed in maximum number. Some signals are reused. Please refer to the processor datasheet and CPU Module pin-out description file.

OS Support

• Linux 4.19.94

Hardware Specification

The MYC-YA157I CPU Module is using STMicroelectronics STM32MP157AAC3 Microprocessor with 12 x 12 mm, 0.5 mm pitch, TFBGA361 package which is among the STM32MP1 Series. The STM32MP1 series is based on a heterogeneous single or dual Arm Cortex-A7 and Cortex-M4 cores architecture, strengthening its ability to support multiple and flexible applications, achieving the best performance and power figures at any time. The Cortex-A7 core provides access to open-source operating systems (Linux/Android) while the Cortex-M4 core leverages the STM32 MCU ecosystem. It is available in 3 different lines which are pin-to-pin compatible:

• STM32MP157: Dual Cortex-A7 cores @ 650 MHz, Cortex-M4 core @ 209 MHz, 3D GPU, DSI display interface and CAN FD
• STM32MP153: Dual Cortex-A7 cores @ 650 MHz, Cortex-M4 core @ 209 MHz and CAN FD
• STM32MP151: Single Cortex-A7 core @ 650 MHz, Cortex-M4 core @ 209 MHz
  Each line comes with a security option (cryptography & secure boot)

 

STM32MP1 Series Processsors

STM32MP157 Block Diagram

 

MYC-YA157I CPU Module Function Block Diagram

MYC-YA157I CPU Module Dimension Chart

The MYD-YA157I runs Linux OS and is provided with software packages. Based on Linux 4.19.9 kernel, MYIR has provided abundant software resources for Yocto 2.6 based MYIR MEasy-HMI system (available later), Yocto 2.6 based ST Weston system, Yocto 2.6 based MYIR MEasy-IOT system and Ubuntu 18.04 system including kernel and driver source code, STM32CubeProgrammer and STM32CubeMX tools to enable users to start their development rapidly and easily.

MYD-YA157I Software Features

MEasy-HMI System Structure

MEasy-IOT System Structure

Relative Download and Links

You can download relative chip datasheet, products datasheet, user manual, software package from below. Detailed technical data available on request.

1	MYC-YA157I CPU Module Overview	1.54 MB
2	ST STM32MP157A Datasheet	3.32 MB
3	MYC-YA157I Pinouts Description	43 KB
4	MYD-YA157I Development Board Overview	2.18 MB