Specifications
| CPU | |
|---|---|
| Name | ST Micro STM32MP257 |
| Primary Core | Dual Arm Cortex-A35 ( 1.5GHz ) |
| Realtime Core | Arm Cortex-M33 ( 400MHz ) |
| GPU | 3D GPU VeriSilicon® – Up to 900 MHz |
| NPU | Optional NPU: VeriSilicon® – Up to 900 MHz |
| VPU | hardware video encoder/decoder up to 600 MHz H264/VP8 up to FHD (1920×1080) at 60 fps JPEG up to 500 Mpixel/s |
| Processor Longevity | 2035 |
| Memory | |
|---|---|
| RAM | 512MByte to 4GByte LPDDR4 ( 32bit bus ) |
| eMMC Flash | 8GByte to 128GByte |
| EEPROM | 256Byte |
| Display / Camera | |
|---|---|
| Parallel RGB LCD | 24-bit / 1080p60 |
| MIPI-DSI | 4 Lane / 2048 x 1536 at 60fps |
| LVDS | 2x 4 Lane / 2048 x 1536 at 60fps |
| MIPI-CSI | 2 Lane / 5 Mpixels at 30 fps RGB, YUV, JPG, RawBayer with Lite-ISP Lite-ISP, demosaicing, downscaling, cropping, 3 pixel pipelines |
| Parallel Camera | 8- to 14-bit parallel, up to 80 MHz RGB, YUV, JPG |
| Audio | |
|---|---|
| Output | 4× SAI ( stereo audio: I2S, PDM, SPDIF Tx ) |
| Input | SPDIF Rx with 4 inputs |
| Networking | |
|---|---|
| Ethernet | 3x Gb Ethernet ( RGMII interface ) |
| Wireless | CC3351 with single u.FL antenna Wi-Fi 6 Dual Band Bluetooth 5.4 |
| I/O | |
|---|---|
| ADC | 3 ADCs with 12-bit max. resolution ( up to 5 Msps each, up to 23 channels ) |
| CAN Bus | 3 CAN FD |
| I2C | 8 |
| I3C | 4 |
| SPI | 8 |
| UART | 9 |
| USB | 1× USB 2.0 high-speed Host 1× USB 2.0/3.0 high-speed/SuperSpeed dual role data with 480 Mbits/s and 5 Gbits/s PHY ****( 5 Gbits/s PHY shared with PCI Express ) |
| PCIe | 1 × PCI Express with embedded 5 Gbits/s PHY ****( PHY shared with USB 3.0 SuperSpeed ) |
| Operating Systems | |
|---|---|
| Linux | Yocto with package manager |
| RTOS | FreeRTOS on Realtime core |
| Physical / Environmental | |
|---|---|
| Dimensions (W x L) | OSM-L ( 45mm x 45mm ) |
| Commercial operating temperature | 0 to 70°C |
| Industrial operating temperature | -40 to 85°C |



