Overview
The STM32MP157AAA3T is a high-performance microcontroller from STMicroelectronics, part of the STM32MP157A/D series. This device is based on a dual-core architecture, combining a 32-bit Arm® Cortex®-A7 and a 32-bit Arm® Cortex®-M4 core. The Cortex-A7 core operates at up to 800 MHz, while the Cortex-M4 core runs at up to 209 MHz. This dual-core setup provides a balance between high performance and low power consumption, making it suitable for a wide range of applications, including smart manufacturing, consumer connected electronics, and high-end wearables.
Key Specifications
| Parameter | Specification |
|---|---|
| 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 (each core) | 32-Kbyte Instruction, 32-Kbyte Data |
| L2 Cache | 256-Kbyte unified |
| 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) |
| External Memory | Up to 1 Gbyte LPDDR2/LPDDR3/DDR3/DDR3L, 16/32-bit |
| Graphics Processing Unit | Vivante® OpenGL® ES 2.0, up to 533 MHz |
| Communication Interfaces | Multiple UART, USART, SPI, I2C, CAN, USB 2.0, SDMMC, etc. |
| Security Features | Arm® TrustZone®, active tamper, Cortex-M4 resources isolation |
| Power Management | 1.71 V to 3.6 V I/Os supply, low-power modes (Sleep, Stop, Standby) |
Key Features
- Dual-Core Architecture: Combines a 32-bit Arm® Cortex®-A7 and a 32-bit Arm® Cortex®-M4 core for balanced performance and power efficiency.
- High-Performance Graphics: Includes a Vivante® OpenGL® ES 2.0 3D graphic processing unit running at up to 533 MHz.
- Extensive Memory Options: Supports external DDR memory up to 1 Gbyte and internal SRAM of 708 Kbytes.
- Advanced Communication Interfaces: Features multiple UART, USART, SPI, I2C, CAN, USB 2.0, and SDMMC interfaces.
- Security and Safety: Equipped with Arm® TrustZone®, active tamper, and Cortex-M4 resources isolation for enhanced security.
- Low Power Consumption: Offers low-power modes (Sleep, Stop, Standby) with total current consumption down to 2 µA in Standby mode.
- Flexible External Memory Controller: Supports parallel interface to connect external ICs and SLC NAND memories with up to 8-bit ECC.
Applications
- Smart Manufacturing: Ideal for powering multifaceted human-machine interfaces in facilities using online-enabled equipment and serving as an Internet of Things (IoT) gateway.
- Consumer Connected Electronics: Suitable for high-end wearables like smartwatches or key fobs, and networked buildings.
- Graphical User Interfaces: Can accelerate 3D imagery used in graphical user interfaces, menu displays, or animations.
- Industrial Facilities: Can be integrated into existing systems optimized for use with Android and Linux APIs.
Q & A
- What is the core architecture of the STM32MP157AAA3T?
The STM32MP157AAA3T features a dual-core architecture with a 32-bit Arm® Cortex®-A7 and a 32-bit Arm® Cortex®-M4 core.
- What is the maximum frequency of the Cortex-A7 core?
The Cortex-A7 core operates at up to 800 MHz.
- What is the maximum frequency of the Cortex-M4 core?
The Cortex-M4 core operates at up to 209 MHz.
- What type of graphics processing unit is included?
The device includes a Vivante® OpenGL® ES 2.0 3D graphic processing unit running at up to 533 MHz.
- What are the memory options for the STM32MP157AAA3T?
The device supports external DDR memory up to 1 Gbyte and internal SRAM of 708 Kbytes.
- What security features are available on the STM32MP157AAA3T?
The device is equipped with Arm® TrustZone®, active tamper, and Cortex-M4 resources isolation.
- What are the power management capabilities of the STM32MP157AAA3T?
The device offers low-power modes (Sleep, Stop, Standby) with total current consumption down to 2 µA in Standby mode.
- What communication interfaces are supported by the STM32MP157AAA3T?
The device features multiple UART, USART, SPI, I2C, CAN, USB 2.0, and SDMMC interfaces.
- What are some typical applications for the STM32MP157AAA3T?
The device is suitable for smart manufacturing, consumer connected electronics, high-end wearables, and networked buildings.
- How does the STM32MP157AAA3T support graphical user interfaces?
The device can accelerate 3D imagery used in graphical user interfaces, menu displays, or animations.
