Overview
The STM32MP157CAC3T is a high-performance microprocessor unit (MPU) from STMicroelectronics, part of the STM32MP1 series. This device is based on the dual-core Arm® Cortex®-A7 32-bit RISC core, operating at up to 800 MHz, and a Cortex®-M4 32-bit RISC core running at up to 209 MHz. The STM32MP157CAC3T is designed to provide rich performance in high-end wearables, low-power embedded systems, and consumer applications, offering advanced features such as a 3D graphic processing unit (Vivante® OpenGL® ES 2.0) and extensive memory and peripheral capabilities.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | 32-bit dual-core Arm® Cortex®-A7, 32-bit Arm® Cortex®-M4 |
| Operating Frequency | Cortex-A7: up to 800 MHz, Cortex-M4: up to 209 MHz |
| Caches | L1: 32-Kbyte instruction and data cache 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 |
| Security/Safety | Secure boot, TrustZone® peripherals, active tamper, Cortex®-M4 resources isolation |
| Power Management | 1.71 V to 3.6 V I/Os supply, low-power modes: Sleep, Stop, and Standby |
| Operating Temperature | -40°C to 125°C |
| Package | TFBGA 361 12x12x1.2 P 0.5 mm |
Key Features
- Includes ST state-of-the-art patented technology
- Arm® NEON™ and Arm® TrustZone® support
- 3D graphic processing unit (Vivante® OpenGL® ES 2.0) running at up to 533 MHz
- External SDRAM interface supporting up to 1 Gbyte of external memory
- Internal SRAM: 256 Kbytes of AXI SYSRAM, 384 Kbytes of AHB SRAM, and additional backup domain SRAM
- Dual mode Quad-SPI memory interface and flexible external memory controller
- Extensive range of enhanced I/Os and peripherals connected to APB, AHB buses, and a 64-bit multi-layer AXI interconnect
- Multiple communication interfaces: I2C, UART, USART, SPI, SAI, USB, Ethernet, and more
- Advanced analog peripherals: ADCs, DACs, low-power RTC, timers, and a true random number generator (RNG)
- Cryptographic acceleration cell and digital filters for sigma delta modulators (DFSDM)
Applications
The STM32MP157CAC3T is suitable for a wide range of applications, including:
- High-end wearables and consumer electronics
- Low-power embedded systems and IoT devices
- Industrial automation and control systems
- Medical devices requiring advanced processing and security
- Automotive systems, especially those needing high-performance graphics and processing
Q & A
- What is the core architecture of the STM32MP157CAC3T?
The STM32MP157CAC3T features a 32-bit dual-core Arm® Cortex®-A7 and a 32-bit Arm® Cortex®-M4 core. - What is the maximum operating frequency of the Cortex-A7 and Cortex-M4 cores?
The Cortex-A7 operates up to 800 MHz, and the Cortex-M4 operates up to 209 MHz. - What type of memory does the STM32MP157CAC3T support?
The device supports external DDR memory up to 1 Gbyte and has 708 Kbytes of internal SRAM. - Does the STM32MP157CAC3T have a graphics processing unit?
Yes, it includes a Vivante® OpenGL® ES 2.0 3D graphic processing unit running at up to 533 MHz. - What security features are available on the STM32MP157CAC3T?
The device features secure boot, TrustZone® peripherals, active tamper, and Cortex®-M4 resources isolation. - What are the operating temperature ranges for the STM32MP157CAC3T?
The operating temperature range is from -40°C to 125°C. - What package options are available for the STM32MP157CAC3T?
The device is available in a TFBGA 361 package (12x12x1.2 P 0.5 mm). - What communication interfaces does the STM32MP157CAC3T support?
The device supports multiple interfaces including I2C, UART, USART, SPI, SAI, USB, Ethernet, and more. - Does the STM32MP157CAC3T have any cryptographic capabilities?
Yes, it includes a cryptographic acceleration cell. - What are some typical applications for the STM32MP157CAC3T?
It is suitable for high-end wearables, low-power embedded systems, industrial automation, medical devices, and automotive systems.
