Overview
The STM32MP157AAA3, 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 combines the efficiency of a microcontroller with the capabilities of a microprocessor. It is designed for a wide range of applications, including high-end wearables, industrial control, and consumer electronics.
The STM32MP157AAA3 integrates advanced features such as a 3D graphic processing unit (Vivante® OpenGL® ES 2.0), extensive memory options, and a rich set of peripherals and communication interfaces. This makes it an ideal choice for applications requiring both high performance and low power consumption.
Key Specifications
| Specification | Details |
|---|---|
| Core | 32-bit dual-core Arm® Cortex®-A7, 32-bit Arm® Cortex®-M4 with FPU/MPU |
| Core Frequencies | Cortex-A7 up to 800 MHz, Cortex-M4 up to 209 MHz |
| Caches | L1 32-Kbyte I / 32-Kbyte D for each Cortex-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, 26 Mtriangle/s, 133 Mpixel/s |
| Communication Interfaces | 6 × I2C FM+, 4 × UART + 4 × USART, 6 × SPI, 4 × SAI, 2 × CAN, 2 × USB 2.0, 10/100M or Gigabit Ethernet |
| Power Management | 1.71 V to 3.6 V I/Os supply, POR, PDR, PVD, BOR, on-chip LDOs, backup regulator (~0.9 V) |
| Operating Temperature | -40°C to 125°C |
| Package | LFBGA 448 18x18x1.7 P 0.8 mm |
Key Features
- High-Performance Cores: Dual-core Arm® Cortex®-A7 and single-core Arm® Cortex®-M4 with FPU/MPU.
- Advanced Graphics: Vivante® OpenGL® ES 2.0 3D GPU running at up to 533 MHz.
- Extensive Memory Options: External DDR memory up to 1 Gbyte, 708 Kbytes of internal SRAM.
- Rich Peripherals: Multiple communication interfaces including I2C, UART, USART, SPI, SAI, CAN, USB, and Ethernet.
- Security and Safety: TrustZone® peripherals, active tamper, Cortex®-M4 resources isolation.
- Low-Power Modes: Sleep, Stop, and Standby modes with DDR memory retention in Standby mode.
- Clock Management: Internal and external oscillators, 6 × PLLs with fractional mode.
- Analog Peripherals: ADCs, DACs, temperature sensor, digital filters for sigma delta modulators.
Applications
- Industrial Control: Suitable for industrial automation, control systems, and IoT applications.
- Consumer Electronics: Ideal for high-end wearables, smart home devices, and other consumer electronics.
- Automotive Systems: Can be used in automotive infotainment systems, driver assistance systems, and other automotive applications.
- Medical Devices: Applicable in medical devices requiring high performance and low power consumption.
- Embedded Systems: Suitable for various embedded systems requiring a balance of performance and power efficiency.
Q & A
- What are the core components of the STM32MP157AAA3?
The STM32MP157AAA3 features a 32-bit dual-core Arm® Cortex®-A7 and a 32-bit Arm® Cortex®-M4 with FPU/MPU.
- What is the maximum frequency of the Cortex-A7 and Cortex-M4 cores?
The Cortex-A7 cores operate up to 800 MHz, and the Cortex-M4 core operates up to 209 MHz.
- What type of graphics processing unit is integrated into the STM32MP157AAA3?
The device includes a Vivante® OpenGL® ES 2.0 3D GPU running at up to 533 MHz.
- What are the memory options available on the STM32MP157AAA3?
The device supports external DDR memory up to 1 Gbyte and has 708 Kbytes of internal SRAM.
- What communication interfaces are available on the STM32MP157AAA3?
The device includes multiple interfaces such as I2C, UART, USART, SPI, SAI, CAN, USB, and Ethernet.
- What are the power management features of the STM32MP157AAA3?
The device features 1.71 V to 3.6 V I/Os supply, POR, PDR, PVD, BOR, on-chip LDOs, and a backup regulator (~0.9 V).
- What are the low-power modes supported by the STM32MP157AAA3?
The device supports Sleep, Stop, and Standby modes with DDR memory retention in Standby mode.
- What is the operating temperature range of the STM32MP157AAA3?
The operating temperature range is -40°C to 125°C.
- What is the package type of the STM32MP157AAA3?
The device is available in an LFBGA 448 18x18x1.7 P 0.8 mm package.
- What are some typical applications of the STM32MP157AAA3?
Typical applications include industrial control, consumer electronics, automotive systems, medical devices, and various embedded systems.
- Does the STM32MP157AAA3 support security features?
Yes, it includes TrustZone® peripherals, active tamper, and Cortex®-M4 resources isolation for enhanced security.
