Overview
The STM32MP157FAA1, produced by STMicroelectronics, is a high-performance microprocessor unit (MPU) that integrates a dual-core Arm Cortex-A7 processor and a Cortex-M4 real-time coprocessor. This device is designed to provide rich performance in high-end wearables, low-power embedded systems, and consumer applications. The Cortex-A7 cores operate at up to 800 MHz, while the Cortex-M4 core runs at up to 209 MHz. The STM32MP157FAA1 also features a 3D GPU, Vivante OpenGL ES 2.0, and supports advanced display protocols like MIPI DSI.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor Cores | 32-bit dual-core Arm Cortex-A7, 32-bit Arm Cortex-M4 |
| Cortex-A7 Frequency | Up to 800 MHz |
| Cortex-M4 Frequency | Up to 209 MHz |
| L1 Cache (Cortex-A7) | 32-Kbyte instruction cache, 32-Kbyte data cache per core |
| L2 Cache (Cortex-A7) | 256-Kbyte unified level 2 cache |
| External Memory | Up to 1 Gbyte LPDDR2/LPDDR3-1066, DDR3/DDR3L-1066 |
| Internal SRAM | 708 Kbytes (256 Kbytes AXI SYSRAM + 384 Kbytes AHB SRAM + 64 Kbytes AHB SRAM in Backup domain + 4 Kbytes SRAM in Backup domain) |
| 3D GPU | Vivante OpenGL ES 2.0, up to 26 Mtriangle/s, 133 Mpixel/s |
| Display Support | TFT/MIPI DSI, up to WXGA (1366 × 768) @60 fps or Full HD (1920 × 1080) @30 fps |
| Operating Temperature | -20°C to 105°C (junction temperature) |
| Package | LFBGA 448 18x18x1.7 P 0.8 mm |
Key Features
- Mainlined OpenSTLinux Distribution: Compatible with STM32MP1 Series, allowing for expansion packages to enable additional components.
- 3D Graphics Processing Unit (GPU): Vivante OpenGL ES 2.0, supporting up to 26 Mtriangle/s and 133 Mpixel/s.
- Display Capabilities: Supports TFT/MIPI DSI displays with high resolution and quality.
- Security and Safety: Secure boot, TrustZone peripherals, active tamper, and Cortex-M4 resources isolation.
- Low-Power Modes: Sleep, Stop, and Standby modes with DDR memory retention in Standby mode.
- Communication Interfaces: Includes multiple I2C, UART, USART, SPI, SAI, CAN, USB, and Ethernet interfaces.
- Analog Peripherals: Two ADCs, two DACs, a low-power RTC, and digital filters for sigma delta modulators.
- Cryptographic Acceleration: Supports AES, HASH (MD5, SHA-1, SHA224, SHA256), HMAC, and true random number generators.
Applications
- High-End Wearables: Ideal for wearables requiring rich performance and low power consumption.
- Embedded Systems: Suitable for various low-power embedded and consumer applications.
- Industrial Automation: Can be used in industrial automation due to its advanced communication interfaces and real-time capabilities.
- Medical Devices: Applicable in medical devices that require high performance, low power, and advanced security features.
- Automotive Systems: Can be integrated into automotive systems for its robust security, real-time processing, and multiple communication interfaces.
Q & A
- What is the core architecture of the STM32MP157FAA1?
The STM32MP157FAA1 features a 32-bit dual-core Arm Cortex-A7 and a 32-bit Arm Cortex-M4 real-time coprocessor.
- What is the maximum frequency of the Cortex-A7 and Cortex-M4 cores?
The Cortex-A7 cores operate at up to 800 MHz, and the Cortex-M4 core operates at up to 209 MHz.
- What type of GPU does the STM32MP157FAA1 include?
The device includes a Vivante OpenGL ES 2.0 3D GPU.
- What display protocols are supported by the STM32MP157FAA1?
The device supports TFT/MIPI DSI display protocols.
- What are the key security features of the STM32MP157FAA1?
The device features secure boot, TrustZone peripherals, active tamper, and Cortex-M4 resources isolation.
- What are the low-power modes available on the STM32MP157FAA1?
The device supports Sleep, Stop, and Standby modes with DDR memory retention in Standby mode.
- What types of communication interfaces does the STM32MP157FAA1 offer?
The device includes multiple I2C, UART, USART, SPI, SAI, CAN, USB, and Ethernet interfaces.
- Does the STM32MP157FAA1 support cryptographic acceleration?
Yes, it supports AES, HASH (MD5, SHA-1, SHA224, SHA256), HMAC, and true random number generators.
- What is the operating temperature range of the STM32MP157FAA1?
The operating temperature range is -20°C to 105°C (junction temperature).
- What is the package type of the STM32MP157FAA1?
The device is packaged in an LFBGA 448 18x18x1.7 P 0.8 mm package.
