Overview
The STM32MP157DAA1, produced by STMicroelectronics, is a high-performance microprocessor based on the dual-core Arm® Cortex®-A7 and a single-core Arm® Cortex®-M4. This device is part of the STM32MP1 series, which is designed to provide rich performance in high-end wearables, low-power embedded systems, and consumer applications. The Cortex-A7 core operates at up to 800 MHz, while the Cortex-M4 core runs at up to 209 MHz. The STM32MP157DAA1 also features a 3D graphic processing unit (Vivante® OpenGL® ES 2.0) and supports advanced display protocols like MIPI DSI.
This microprocessor is known for its energy efficiency, incorporating features such as low-power modes (Sleep, Stop, and Standby) and a total current consumption as low as 2 µA in Standby mode. It also includes a wide range of peripherals and communication interfaces, making it versatile for various applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Cores | 32-bit dual-core Arm® Cortex®-A7, 32-bit Arm® Cortex®-M4 |
| Core Frequencies | Cortex-A7: up to 800 MHz, Cortex-M4: up to 209 MHz |
| Caches | L1: 32-Kbyte I / 32-Kbyte D for each A7 core, 256-Kbyte unified level 2 cache |
| Memories | External DDR memory up to 1 Gbyte (LPDDR2/LPDDR3-1066, DDR3/DDR3L-1066), 708 Kbytes of internal SRAM |
| Graphics Processing Unit | Vivante® OpenGL® ES 2.0, up to 533 MHz |
| Communication Interfaces | 6 × I2C, 4 × UART + 4 × USART, 6 × SPI, 4 × SAI, 2 × USB 2.0, 10/100M or Gigabit Ethernet |
| Package | LFBGA 448 18x18x1.7 P 0.8 mm |
| Operating Temperature | -20°C to 105°C |
| Power Supply | 1.71 V to 3.6 V I/Os supply (5 V-tolerant I/Os) |
Key Features
- Mainlined OpenSTLinux Distribution: Compatible with STM32MP1 Series, allowing for expansion packages to enable additional components.
- 3D Graphics Processing Unit: Vivante® OpenGL® ES 2.0, running at up to 533 MHz, with performances up to 26 Mtriangle/s, 133 Mpixel/s.
- Advanced Display Support: MIPI DSI protocol for high-resolution displays.
- Security and Safety: TrustZone® peripherals, active tamper, and Cortex®-M4 resources isolation.
- Low-Power Modes: Sleep, Stop, and Standby modes with total current consumption down to 2 µA in Standby mode.
- Extensive Peripherals and Interfaces: Includes multiple I2C, UART, USART, SPI, SAI, USB, and Ethernet interfaces.
- Internal and External Memory Support: External DDR memory up to 1 Gbyte and 708 Kbytes of internal SRAM.
Applications
- High-End Wearables: Ideal for smartwatches, fitness trackers, and other wearable devices requiring high performance and low power consumption.
- Embedded Systems: Suitable for industrial automation, medical devices, and other embedded applications needing advanced processing and low power.
- Consumer Electronics: Used in smart home devices, IoT applications, and consumer electronics requiring robust processing and multimedia capabilities.
- Automotive Systems: Can be used in automotive infotainment systems, driver assistance systems, and other automotive applications.
Q & A
- What are the core frequencies of the STM32MP157DAA1?
The Cortex-A7 core operates at up to 800 MHz, and the Cortex-M4 core operates at up to 209 MHz.
- What type of graphics processing unit does the STM32MP157DAA1 feature?
The STM32MP157DAA1 features a Vivante® OpenGL® ES 2.0 3D graphics processing unit.
- What is the maximum external DDR memory supported by the STM32MP157DAA1?
The device supports external DDR memory up to 1 Gbyte (LPDDR2/LPDDR3-1066, DDR3/DDR3L-1066).
- What are the low-power modes available on the STM32MP157DAA1?
The device supports Sleep, Stop, and Standby modes, with total current consumption down to 2 µA in Standby mode.
- What communication interfaces are available on the STM32MP157DAA1?
The device includes multiple I2C, UART, USART, SPI, SAI, USB, and Ethernet interfaces.
- What is the operating temperature range of the STM32MP157DAA1?
The operating temperature range is -20°C to 105°C.
- What is the package type of the STM32MP157DAA1?
The package type is LFBGA 448 18x18x1.7 P 0.8 mm.
- Does the STM32MP157DAA1 support TrustZone® security features?
Yes, the device includes TrustZone® peripherals and Cortex®-M4 resources isolation for enhanced security.
- What is the internal SRAM capacity of the STM32MP157DAA1?
The device has 708 Kbytes of internal SRAM.
- Is the STM32MP157DAA1 compatible with OpenSTLinux distribution?
Yes, it is compatible with the mainlined OpenSTLinux distribution.
