Overview
The STM32MP157CAA3T is a high-performance microprocessor unit (MPU) developed by STMicroelectronics. It is part of the STM32MP1 series, which combines the efficiency of a dual-core Arm® Cortex®-A7 processor with the real-time capabilities of an Arm® Cortex®-M4 coprocessor. This device is designed to offer rich performance in various applications, including high-end wearables, low-power embedded systems, and consumer electronics.
The STM32MP157CAA3T integrates advanced features such as a 3D graphic processing unit (GPU), extensive memory options, and a wide range of communication interfaces, making it a versatile solution for complex system designs.
Key Specifications
| Specification | Details |
|---|---|
| Processor Cores | 32-bit dual-core Arm® Cortex®-A7 up to 800 MHz, 32-bit Arm® Cortex®-M4 up to 209 MHz |
| Caches | 32-Kbyte L1 instruction and data cache for each Cortex-A7 core, 256-Kbyte unified level 2 cache |
| GPU | 3D GPU: Vivante®, OpenGL® ES 2.0, up to 533 MHz |
| External Memory | Up to 1 Gbyte DDR3/DDR3L, LPDDR2/LPDDR3, 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 | 10/100M or Gigabit Ethernet, USB 2.0, UART, USART, SPI, I²C, CAN FD, SAI, HDMI-CEC |
| Analog Peripherals | 2 × ADCs (16-bit), 2 × DACs (12-bit), temperature sensor, DFSDM with 8 channels/6 filters |
| Security Features | Secure boot, TrustZone®, cryptographic acceleration cell, SHA-256, MD5, HMAC, AES 256, TDES |
| Operating Temperature | -40°C to 125°C |
| Package | LFBGA 448 18x18x1.7 P 0.8 mm |
Key Features
- Dual-Core Processor: 32-bit Arm® Cortex®-A7 and 32-bit Arm® Cortex®-M4 for balanced performance and real-time processing.
- 3D GPU: Vivante® GPU with OpenGL® ES 2.0 support, running up to 533 MHz.
- Memory and Storage: External DDR memory up to 1 Gbyte, internal SRAM of 708 Kbytes, and dual-mode Quad-SPI memory interface.
- Communication Interfaces: Extensive range including Ethernet, USB 2.0, UART, USART, SPI, I²C, CAN FD, and SAI.
- Analog Peripherals: Two ADCs, two DACs, temperature sensor, and digital filters for sigma delta modulators.
- Security: Secure boot, TrustZone®, cryptographic acceleration cell, and various encryption algorithms.
- Low Power Modes: Sleep, Stop, and Standby modes with low current consumption down to 2 µA in Standby mode.
- Clock Management: Internal and external oscillators, multiple PLLs, and clock gating for power efficiency.
Applications
- Industrial Automation: Suitable for control systems, motor control, and industrial IoT applications.
- Consumer Electronics: Ideal for smart home devices, wearables, and other consumer electronics requiring high performance and low power consumption.
- Medical Devices: Can be used in medical equipment that requires precise control and secure data processing.
- Automotive Systems: Applicable in automotive infotainment, telematics, and advanced driver-assistance systems (ADAS).
- Embedded Systems: General-purpose use in various embedded systems requiring a balance of performance and power efficiency.
Q & A
- What is the maximum frequency of the Arm® Cortex®-A7 core in the STM32MP157CAA3T?
Up to 800 MHz.
- What type of GPU is integrated into the STM32MP157CAA3T?
3D GPU: Vivante®, supporting OpenGL® ES 2.0.
- What is the maximum external DDR memory capacity supported by the STM32MP157CAA3T?
Up to 1 Gbyte.
- What security features are available on the STM32MP157CAA3T?
Secure boot, TrustZone®, cryptographic acceleration cell, SHA-256, MD5, HMAC, AES 256, TDES.
- What are the operating temperature ranges for the STM32MP157CAA3T?
-40°C to 125°C.
- What communication interfaces are available on the STM32MP157CAA3T?
Ethernet, USB 2.0, UART, USART, SPI, I²C, CAN FD, SAI, HDMI-CEC.
- Does the STM32MP157CAA3T support low power modes?
Yes, it supports Sleep, Stop, and Standby modes with low current consumption.
- What is the package type of the STM32MP157CAA3T?
LFBGA 448 18x18x1.7 P 0.8 mm.
- Is the STM32MP157CAA3T RoHS compliant?
Yes, it is RoHS compliant.
- What is the maximum frequency of the Arm® Cortex®-M4 core in the STM32MP157CAA3T?
Up to 209 MHz.
