Overview
The STM32MP157AAC3 is a high-performance microprocessor from STMicroelectronics, part of the STM32MP1 series. This device is based on a dual-core architecture, combining an ARM Cortex-A7 and an ARM Cortex-M4 core. The Cortex-A7 core operates at up to 650 MHz, while the Cortex-M4 core runs at up to 209 MHz. This dual-core design makes the STM32MP157AAC3 suitable for a wide range of applications, including high-end wearables, low-power embedded systems, and consumer electronics.
Key Specifications
| Specification | Value |
|---|---|
| Family Name | STM32MP1 |
| Core Processor | ARM Cortex A7 / ARM Cortex M4 |
| Program Memory Type | Flash |
| RAM Size | 708 kB |
| Cache Memory Size | 32 kB (L1) + 256 kB (L2) |
| Data Bus Width | 32-bit |
| Interface/Connectivity | CAN, Ethernet, I2C, I2S, SAI, SPI, UART, USART, USB |
| Clock Frequency - Max | 650 MHz (Cortex-A7), 209 MHz (Cortex-M4) |
| I/O Voltage - Max | 3.3 V |
| No of I/O Lines | 148 |
| Number Of Timers | 29 |
| Supply Voltage | 1.71 V to 3.6 V |
| Operating Temp Range | -40°C to +125°C |
| Storage Temperature Range | -65°C to +150°C |
| Package Style | TFBGA-361 |
| Mounting Method | Surface Mount |
Key Features
- Dual-core architecture with ARM Cortex-A7 and ARM Cortex-M4 cores.
- High-performance 32-bit RISC cores with NEON and TrustZone support.
- Internal SRAM of 708 Kbytes, including AXI SYSRAM, AHB SRAM, and backup domain SRAM.
- External SDRAM interface supporting up to 8-Gbit density (1 Gbyte) LPDDR2/LPDDR3 or DDR3/DDR3L.
- Extensive range of peripherals including ADCs, DACs, timers, and communication interfaces (I2C, SPI, UART, USB, Ethernet, etc.).
- 3D graphic processing unit (Vivante OpenGL ES 2.0) running at up to 533 MHz.
- Support for high-speed interfaces such as HDMI CEC, SDMMC, and CAN FD protocol.
- Low-power RTC, true random number generator (RNG), and digital filters for sigma delta modulators.
Applications
- High-end wearables and smart devices.
- Low-power embedded and consumer electronics.
- Industrial automation and control systems.
- Medical devices and healthcare equipment.
- Automotive systems, including infotainment and driver assistance.
- Internet of Things (IoT) devices and smart home appliances.
Q & A
- What is the core architecture of the STM32MP157AAC3?
The STM32MP157AAC3 features a dual-core architecture with an ARM Cortex-A7 and an ARM Cortex-M4 core.
- What is the maximum clock frequency of the Cortex-A7 core?
The Cortex-A7 core operates at up to 650 MHz.
- How much internal SRAM does the STM32MP157AAC3 have?
The device has 708 Kbytes of internal SRAM.
- What types of external memory does the STM32MP157AAC3 support?
The device supports external memories up to 8-Gbit density (1 Gbyte) LPDDR2/LPDDR3 or DDR3/DDR3L.
- What are the key peripherals included in the STM32MP157AAC3?
The device includes ADCs, DACs, timers, and various communication interfaces such as I2C, SPI, UART, USB, and Ethernet.
- Does the STM32MP157AAC3 support 3D graphics processing?
Yes, it includes a 3D graphic processing unit (Vivante OpenGL ES 2.0) running at up to 533 MHz.
- What is the operating temperature range of the STM32MP157AAC3?
The operating temperature range is -40°C to +125°C.
- What package style does the STM32MP157AAC3 use?
The device is packaged in a TFBGA-361 package.
- Is the STM32MP157AAC3 suitable for industrial applications?
Yes, it is suitable for industrial automation and control systems due to its robust features and wide operating temperature range.
- Does the STM32MP157AAC3 support low-power modes?
Yes, the device includes several low-power timers and other low-power features to minimize energy consumption.
