Overview
The STM32MP151AAA3, produced by STMicroelectronics, is a high-performance microprocessor based on the Arm® Cortex®-A7 and Cortex®-M4 cores. This dual-core architecture combines the energy efficiency of the Cortex-A7 with the real-time capabilities of the Cortex-M4, making it suitable for a wide range of applications, including high-end wearables, low-power embedded systems, and consumer electronics.
The device integrates extensive memory options, advanced communication interfaces, and a rich set of peripherals, enhancing its versatility and performance.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor Cores | Arm® Cortex®-A7 (up to 800 MHz) and Arm® Cortex®-M4 (up to 209 MHz) |
| Internal SRAM | 708 Kbytes (256 Kbytes of AXI SYSRAM, 384 Kbytes of AHB SRAM, 64 Kbytes of AHB SRAM in Backup domain, and 4 Kbytes of SRAM in Backup domain) |
| External Memory | Up to 1 Gbyte LPDDR2/LPDDR3 or DDR3/DDR3L, 16/32-bit, up to 533 MHz |
| Caches | 32-Kbyte L1 instruction cache, 32-Kbyte L1 data cache, 256-Kbyte unified level 2 cache |
| Communication Interfaces | USB 2.0, UART, USART, SPI, I2C, SDMMC, Ethernet (10/100M or Gigabit), HDMI-CEC, MDIO Slave |
| Analog Peripherals | 2 × ADCs (16-bit max. resolution), 2 × DACs (12-bit), temperature sensor, digital filters for sigma delta modulators |
| Timers and Watchdogs | 25 timers, 3 watchdogs, RTC with sub-second accuracy |
| Operating Temperature | -40°C to 125°C |
| Package Options | LFBGA 448, LFBGA 354, TFBGA 361, TFBGA 257 |
Key Features
- Dual-Core Architecture: Combines Arm® Cortex®-A7 and Arm® Cortex®-M4 cores for balanced performance and energy efficiency.
- High-Speed Memories: Supports up to 1 Gbyte of external DDR memory and includes 708 Kbytes of internal SRAM.
- Advanced Communication Interfaces: Includes USB 2.0, UART, USART, SPI, I2C, SDMMC, Ethernet, and HDMI-CEC.
- Analog and Digital Peripherals: Features ADCs, DACs, temperature sensor, and digital filters for sigma delta modulators.
- Low-Power Modes: Offers Sleep, Stop, and Standby modes with low current consumption down to 2 µA.
- Security Features: Includes TrustZone®, active tamper, and Cortex®-M4 resources isolation.
- Graphics and Display: Supports LCD-TFT controller up to Full HD resolution.
Applications
- High-End Wearables: Suitable for smartwatches, fitness trackers, and other wearable devices requiring high performance and low power consumption.
- Low-Power Embedded Systems: Ideal for IoT devices, industrial control systems, and other applications needing real-time processing and low energy usage.
- Consumer Electronics: Used in smart home devices, audio equipment, and other consumer electronics requiring advanced processing capabilities.
- Automotive Systems: Can be used in automotive infotainment systems, driver assistance systems, and other automotive applications.
Q & A
- What are the processor cores used in the STM32MP151AAA3?
The STM32MP151AAA3 uses an Arm® Cortex®-A7 core operating up to 800 MHz and an Arm® Cortex®-M4 core operating up to 209 MHz.
- What is the maximum internal SRAM available in the STM32MP151AAA3?
The device includes 708 Kbytes of internal SRAM.
- What types of external memory does the STM32MP151AAA3 support?
The device supports up to 1 Gbyte of LPDDR2/LPDDR3 or DDR3/DDR3L external memory.
- What are the key communication interfaces available on the STM32MP151AAA3?
The device includes USB 2.0, UART, USART, SPI, I2C, SDMMC, Ethernet, and HDMI-CEC interfaces.
- Does the STM32MP151AAA3 have any specific security features?
Yes, it includes TrustZone®, active tamper, and Cortex®-M4 resources isolation for enhanced security.
- What are the operating temperature ranges for the STM32MP151AAA3?
The operating temperature range is from -40°C to 125°C.
- What are the available package options for the STM32MP151AAA3?
The device is available in LFBGA 448, LFBGA 354, TFBGA 361, and TFBGA 257 packages.
- Does the STM32MP151AAA3 support low-power modes?
Yes, it offers Sleep, Stop, and Standby modes with low current consumption down to 2 µA.
- What kind of analog peripherals are included in the STM32MP151AAA3?
The device features 2 × ADCs, 2 × DACs, a temperature sensor, and digital filters for sigma delta modulators.
- Can the STM32MP151AAA3 be used in automotive applications?
Yes, it can be used in various automotive systems such as infotainment and driver assistance systems.
