Overview
The STM32MP157DAC1, produced by STMicroelectronics, is a high-performance microprocessor part of the STM32MP1 series. It is based on a dual-core Arm Cortex-A7 32-bit RISC core operating at up to 800 MHz and a Cortex-M4 32-bit RISC core operating at up to 209 MHz. This device is designed to provide rich performance in high-end wearables and other low-power embedded and consumer applications. It incorporates advanced features such as a 3D graphics processing unit (GPU), MIPI DSI protocol support, and extensive memory and peripheral capabilities.
Key Specifications
| Parameter | Specification |
|---|---|
| Cortex-A7 Core | 32-bit dual-core, up to 800 MHz, L1 32-Kbyte I / 32-Kbyte D for each core, 256-Kbyte unified level 2 cache |
| Cortex-M4 Core | 32-bit, up to 209 MHz, FPU/MPU, up to 703 CoreMark |
| 3D GPU | Vivante OpenGL ES 2.0, up to 533 MHz, 26 Mtriangle/s, 133 Mpixel/s |
| External Memory | Up to 1 Gbyte, LPDDR2/LPDDR3-1066 16/32-bit, DDR3/DDR3L-1066 16/32-bit |
| Internal SRAM | 708 Kbytes: 256 Kbytes of AXI SYSRAM + 384 Kbytes of AHB SRAM + 64 Kbytes of AHB SRAM in Backup domain + 4 Kbytes of SRAM in Backup domain |
| Communication Interfaces | 6 × I2C FM+, 4 × UART + 4 × USART, 6 × SPI, 4 × SAI, HDMI-CEC, MDIO Slave, 3 × SDMMC, 2 × CAN controllers, 2 × USB 2.0 high-speed Host + 1 × USB 2.0 full-speed OTG |
| Power Management | 1.71 V to 3.6 V I/Os supply (5 V-tolerant I/Os), POR, PDR, PVD, BOR, on-chip LDOs, backup regulator (~0.9 V) |
| Operating Temperature | -20°C to 105°C |
| Package | TFBGA 361 (12 × 12 mm), min Pitch 0.5mm |
Key Features
- Mainlined OpenSTLinux Distribution with expansion packages for additional components.
- 3D graphics processing unit (Vivante OpenGL ES 2.0) for accelerated graphics.
- MIPI DSI protocol support for high-resolution displays.
- Arm NEON and Arm TrustZone for enhanced security and performance.
- Extensive memory options including external DDR memory and internal SRAM.
- Flexible external memory controller with up to 16-bit data bus.
- Low-power modes: Sleep, Stop, and Standby with DDR memory retention in Standby mode.
- High-speed communication interfaces including USB, CAN, SPI, and I2C.
- Advanced analog peripherals including ADCs, DACs, and digital filters for sigma delta modulators.
- Internal temperature sensors and backup regulator for power management.
Applications
- High-end wearables and consumer electronics.
- Industrial automation and control systems.
- Medical devices requiring high performance and low power consumption.
- Automotive systems, including infotainment and driver assistance.
- IoT devices and smart home applications.
- Industrial and commercial embedded systems.
Q & A
- What is the core architecture of the STM32MP157DAC1?
The STM32MP157DAC1 features a dual-core Arm Cortex-A7 32-bit RISC core operating at up to 800 MHz and a Cortex-M4 32-bit RISC core operating at up to 209 MHz.
- What type of GPU does the STM32MP157DAC1 include?
The device includes a Vivante OpenGL ES 2.0 3D GPU running at up to 533 MHz.
- What are the memory options for the STM32MP157DAC1?
The device supports up to 1 Gbyte of external DDR memory and has 708 Kbytes of internal SRAM.
- What communication interfaces are available on the STM32MP157DAC1?
The device includes various interfaces such as I2C, UART, USART, SPI, SAI, HDMI-CEC, MDIO Slave, SDMMC, CAN, and USB.
- What are the power management features of the STM32MP157DAC1?
The device features low-power modes (Sleep, Stop, and Standby), on-chip LDOs, and a backup regulator (~0.9 V).
- What is the operating temperature range of the STM32MP157DAC1?
The operating temperature range is -20°C to 105°C.
- What is the package type for the STM32MP157DAC1?
The device is available in a TFBGA 361 package (12 × 12 mm) with a minimum pitch of 0.5mm.
- Does the STM32MP157DAC1 support any specific operating systems?
Yes, it supports the mainlined OpenSTLinux Distribution with expansion packages for additional components.
- What are some of the key security features of the STM32MP157DAC1?
The device includes Arm TrustZone, Cortex-M4 resources isolation, and active tamper detection.
- What are the typical applications for the STM32MP157DAC1?
It is used in high-end wearables, industrial automation, medical devices, automotive systems, IoT devices, and other embedded systems.
