STMicroelectronics involved in the embedded field is quite wide, electronic engineers have a deeper understanding of their processor, this series of multi-core microprocessors based on STM32MP1 STM32MP157 core board what features, how about performance? You want to know?
STM32MP157 core board mill is based on an electronic processor introduced STM32MP157 Development Kit MYD-YA157C, kit by the core plate and the bottom plate MYC-YA157C MYB-YA157C composition. MYC-YA157C STM32MP157AAC processor core board, chip-board power STPMIC, DDR3, eMMC, Nand Flash memory. Core board PCB size 43mm x 45mm. MYC-YA157C has the characteristics of high performance, high cost, long delivery times, for applications that require high-performance intelligent key board apparatus required.
FIG STM32MP1 core board interface 
STM32MP1 FIG core plate frame 
read the above two graphs, of this STM32MP1 (MYC-YA157C) 7788 understand it, the following gives details of the core plate Jiangzai resources and parameter list
| Features | parameter | Configuration |
|---|---|---|
| CPU | STM32MP157AAC3,TFBGA361,12x12mm | Optional |
| Power management chip | STPMIC1APQR | Standard |
| DDR3 | 256MB / 512MB / 1GB capacity optional | Optional |
| Nand Flash | 256MB / 512MB / 1GB capacity | Optional |
| eMMC | Standard 4GB, optional capacity (4GB, 8GB, 16GB, etc.) | Optional |
| Ethernet | KSZ9031,10M/100M /1000M PHY | Standard |
| Expand IO Connector | Stamp hole connection | |
| Core board operating temperature | Commercial Grade: 0 ℃ -70 ℃, industrial grade: -40 ℃ -85 ℃ | Optional |
| Core board size | 42mm x 45mm x 1.2mm | |
| Process core board PCB | 8 layer design, gold sink, a separate complete ground layer, lead-free processes | |
| Text | Text | Text |
STM32MP1 core board development Download: http://www.myir-tech.com/product/myd-ya157c.htm
STM32MP1 core board (MYC-YA157C) extended signal
STM32MP1 core board and power ground lead signals by a total 164PIN stamp holes. Remove core board peripheral resources occupy a few IO, STM32MP157AAC all other resources IO all leads. These signals pins contain a large set of peripherals, details, please see the following table:
| project | parameter |
|---|---|
| Ethernet port | 1 channel 10M / 100 M / 1000M Ethernet |
| GPIO | Up to 101 GPIO road |
| MIPI-DSI | 1 Road MIPI DSI interfaces, supports 1366x768 resolution |
| I2C | Scalable multi-channel I2C bus |
| SPI | Scalable multi-channel SPI |
| USB2.0 | 2xHigh Speed +1xFull Speed |
| Camera | 1 channel CMOS Camera Interface |
| SDIO | 1x8bit +1x4bit |
| CAN | 2-way CAN interface |
| UART | Multi-channel UART |
| JTAG | JTAG debug signal |
STM32MP1 core board extended signal resource list
STM32MP1 configuration diagram of the core board machine (unit: mm)