Overview
The STM32MP151AAB3T, produced by STMicroelectronics, is a high-performance microprocessor unit (MPU) based on the Arm® Cortex®-A7 and Cortex®-M4 cores. This device is part of the STM32MP1 series and is designed to provide rich performance in high-end wearables and other low-power embedded and consumer applications. The Cortex-A7 core operates at up to 800 MHz, while the Cortex-M4 core runs at up to 209 MHz. This dual-core architecture combines the high performance of the Cortex-A7 with the low power and real-time capabilities of the Cortex-M4, making it an ideal choice for a wide range of applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor Cores | Arm® Cortex®-A7 (up to 800 MHz) + Arm® Cortex®-M4 (up to 209 MHz) |
| L1 Cache (Cortex-A7) | 32-Kbyte Instruction Cache, 32-Kbyte Data Cache |
| L2 Cache (Cortex-A7) | 256-Kbyte Unified Level 2 Cache |
| Internal SRAM | 708 Kbytes (256 Kbytes AXI SYSRAM + 384 Kbytes AHB SRAM + 64 Kbytes AHB SRAM in Backup domain + 4 Kbytes SRAM in Backup domain) |
| External Memory | Up to 1 Gbyte DDR memory (LPDDR2/LPDDR3-1066, DDR3/DDR3L-1066) |
| Operating Temperature | -40°C to 125°C |
| Package | LFBGA 354 (16x16x1.7 mm, 0.8 mm pitch) |
| Communication Interfaces | Multiple interfaces including I2C, UART, SPI, SAI, USB 2.0, Ethernet, and more |
| Analog Peripherals | 2 ADCs, 2 DACs, temperature sensor, DFSDM with 8 channels/6 filters |
Key Features
- Dual-Core Architecture: Combines the high-performance Arm® Cortex®-A7 with the low-power and real-time capabilities of the Arm® Cortex®-M4.
- High-Performance Caches: Includes 32-Kbyte L1 instruction and data caches for the Cortex-A7, along with a 256-Kbyte unified level 2 cache.
- Extensive Memory Options: Supports up to 1 Gbyte of external DDR memory and includes 708 Kbytes of internal SRAM.
- Advanced Communication Interfaces: Features a wide range of communication peripherals such as I2C, UART, SPI, SAI, USB 2.0, and Ethernet.
- Analog and Digital Peripherals: Includes two ADCs, two DACs, a temperature sensor, and digital filters for sigma delta modulators.
- Graphics and Display: Equipped with an LCD-TFT controller supporting up to 24-bit RGB888 and resolutions up to Full HD (1920 × 1080) @30 fps.
- Security and Safety: Incorporates Arm® TrustZone®, active tamper detection, and memory protection unit (MPU) for enhanced security.
- Low-Power Modes: Offers sleep, stop, and standby modes with low current consumption down to 2 µA in standby mode.
Applications
- Wearables and Consumer Devices: Ideal for high-end wearables and other consumer electronics requiring both high performance and low power consumption.
- Industrial Automation: Suitable for industrial control systems and automation due to its robust communication interfaces and real-time capabilities.
- Medical Devices: Can be used in medical devices that require precise control, low power consumption, and advanced communication interfaces.
- Automotive Systems: Applicable in automotive systems for infotainment, navigation, and other in-vehicle applications.
- IoT Devices: Suitable for Internet of Things (IoT) devices that need a balance of performance, power efficiency, and connectivity.
Q & A
- What are the main processor cores in the STM32MP151AAB3T?
The STM32MP151AAB3T features a dual-core architecture with an Arm® Cortex®-A7 core operating at up to 800 MHz and an Arm® Cortex®-M4 core operating at up to 209 MHz.
- What is the maximum external memory support for this device?
The device supports up to 1 Gbyte of external DDR memory, including LPDDR2/LPDDR3-1066 and DDR3/DDR3L-1066.
- What are the key security features of the STM32MP151AAB3T?
The device includes Arm® TrustZone®, active tamper detection, and a memory protection unit (MPU) for enhanced security.
- What are the operating temperature ranges for the STM32MP151AAB3T?
The operating temperature range is from -40°C to 125°C.
- What types of communication interfaces are available on this device?
The device features multiple communication interfaces including I2C, UART, SPI, SAI, USB 2.0, and Ethernet.
- Does the STM32MP151AAB3T support graphics and display controllers?
Yes, it includes an LCD-TFT controller supporting up to 24-bit RGB888 and resolutions up to Full HD (1920 × 1080) @30 fps.
- What are the low-power modes available on this device?
The device offers sleep, stop, and standby modes with low current consumption down to 2 µA in standby mode.
- What is the package type for the STM32MP151AAB3T?
The device is packaged in an LFBGA 354 (16x16x1.7 mm, 0.8 mm pitch).
- Does the STM32MP151AAB3T support analog peripherals?
Yes, it includes two ADCs, two DACs, a temperature sensor, and digital filters for sigma delta modulators.
- What are some typical applications for the STM32MP151AAB3T?
Typical applications include wearables, consumer devices, industrial automation, medical devices, and automotive systems.
