Overview
The STM32MP157FAC1 is a high-performance microprocessor unit (MPU) from STMicroelectronics, part of the STM32MP1 series. It features a heterogeneous architecture combining a dual-core Arm® Cortex®-A7 processing unit operating at up to 800 MHz and a Cortex®-M4 microcontroller core running at up to 209 MHz. This architecture is designed to provide rich performance in high-end applications while maintaining low power consumption. The device is equipped with a 3D graphics processing unit (GPU) and supports various display interfaces, including TFT and MIPI-DSI. It also includes advanced security features such as Secure Boot, TrustZone® peripherals, and cryptographic acceleration cells, making it suitable for applications requiring high security and performance.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor Cores | Dual-core Arm® Cortex®-A7 @ up to 800 MHz, Arm® Cortex®-M4 @ up to 209 MHz |
| Caches | 32 Kbytes L1 instruction cache and 32 Kbytes L1 data cache for each Cortex-A7 core, 256 Kbytes unified L2 cache |
| GPU | 3D GPU (Vivante® OpenGL® ES 2.0) @ up to 533 MHz |
| Memory | External DDR memory up to 1 Gbyte (LPDDR2/LPDDR3/DDR3/DDR3L), 708 Kbytes internal SRAM |
| Display Interfaces | TFT, MIPI-DSI |
| Communication Interfaces | 2 x CAN FD, 10/100M or Gigabit Ethernet, 3 x USB 2.0 Host/OTG, 6 x I2C, 4 x UART + 4 x USART, 6 x SPI, 4 x SAI |
| Security Features | Secure Boot, TrustZone® peripherals, cryptographic acceleration cells, active tamper detection |
| Power Management | 1.71 V to 3.6 V I/Os supply, low-power modes (Sleep, Stop, Standby) |
| Junction Temperature | -20°C to 105°C |
Key Features
- Heterogeneous Architecture: Combines dual-core Arm® Cortex®-A7 and single-core Arm® Cortex®-M4 for balanced performance and power efficiency.
- Advanced Graphics: 3D GPU (Vivante® OpenGL® ES 2.0) for high-performance graphics processing.
- Security: Secure Boot, TrustZone® peripherals, cryptographic acceleration cells, and active tamper detection for enhanced security.
- Communication Interfaces: Multiple interfaces including CAN FD, Ethernet, USB, I2C, UART, USART, SPI, and SAI for versatile connectivity.
- Power Management: Low-power modes (Sleep, Stop, Standby) and on-chip LDOs for efficient power consumption.
- Memory and Storage: Support for external DDR memory up to 1 Gbyte and internal SRAM of 708 Kbytes.
- Analog Peripherals: Includes ADCs, DACs, temperature sensor, and digital filters for sigma delta modulators.
Applications
- Industrial Automation: Suitable for control systems, predictive maintenance, and edge gateway applications.
- Consumer Electronics: Ideal for high-end wearables, smart home devices, and other consumer electronics requiring rich performance and low power consumption.
- Automotive Systems: Can be used in automotive infotainment systems, driver assistance systems, and other automotive applications requiring advanced graphics and security.
- Medical Devices: Applicable in medical devices that need high-performance processing, advanced graphics, and robust security features.
- IoT Devices: Suitable for Internet of Things (IoT) devices that require balanced performance, low power consumption, and advanced security features.
Q & A
- What are the core components of the STM32MP157FAC1?
The STM32MP157FAC1 features a dual-core Arm® Cortex®-A7 processing unit and a single-core Arm® Cortex®-M4 microcontroller core.
- 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 STM32MP157FAC1 include?
The device includes a 3D GPU (Vivante® OpenGL® ES 2.0) running at up to 533 MHz.
- What are the key security features of the STM32MP157FAC1?
The device features Secure Boot, TrustZone® peripherals, cryptographic acceleration cells, and active tamper detection.
- What types of memory does the STM32MP157FAC1 support?
The device supports external DDR memory up to 1 Gbyte and has 708 Kbytes of internal SRAM.
- What communication interfaces are available on the STM32MP157FAC1?
The device includes interfaces such as CAN FD, Ethernet, USB, I2C, UART, USART, SPI, and SAI.
- What are the power management features of the STM32MP157FAC1?
The device includes low-power modes (Sleep, Stop, Standby) and on-chip LDOs for efficient power consumption.
- What is the operating temperature range of the STM32MP157FAC1?
The operating temperature range is from -20°C to 105°C.
- What development tools are available for the STM32MP157FAC1?
STMicroelectronics provides development kits such as the STM32MP157F-DK2, which includes an ST-LINK embedded debug tool and various connectors for development.
- What are some typical applications of the STM32MP157FAC1?
The device is suitable for industrial automation, consumer electronics, automotive systems, medical devices, and IoT devices.
