Overview
The STM32MP157DAB1, produced by STMicroelectronics, is a high-performance microprocessor unit (MPU) that integrates a dual-core Arm® Cortex®-A7 and a single-core Arm® Cortex®-M4. This device is designed to offer 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. The MPU also includes a 3D graphic processing unit (GPU) based on the Vivante® OpenGL® ES 2.0, capable of delivering up to 26 Mtriangle/s and 133 Mpixel/s. This makes it suitable for a wide range of applications requiring advanced graphics and processing capabilities.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor Cores | Dual-core Arm® Cortex®-A7 (up to 800 MHz) + Single-core Arm® Cortex®-M4 (up to 209 MHz) |
| Cache Memory | 32-Kbyte L1 instruction cache and 32-Kbyte L1 data cache for each Cortex-A7 core, 256-Kbyte unified level 2 cache |
| External Memory | Up to 1 Gbyte DDR memory (LPDDR2/LPDDR3-1066, DDR3/DDR3L-1066) |
| Internal SRAM | 708 Kbytes (256 Kbytes of AXI SYSRAM + 384 Kbytes of AHB SRAM + 64 Kbytes of AHB SRAM in Backup domain + 4 Kbytes of SRAM in Backup domain) |
| Graphics Processing Unit (GPU) | Vivante® OpenGL® ES 2.0, up to 26 Mtriangle/s, 133 Mpixel/s |
| Display Controller | LCD-TFT controller, up to 24-bit RGB888, up to WXGA (1366 × 768) @60 fps or Full HD (1920 × 1080) @30 fps |
| Communication Interfaces | Up to 37 communication peripherals including I2C, UART, USART, SPI, SAI, HDMI-CEC, MDIO, SDMMC, CAN, USB |
| Power Management | 1.71 V to 3.6 V I/Os supply (5 V-tolerant I/Os), on-chip LDOs, backup regulator, low-power modes (Sleep, Stop, Standby) |
| Operating Temperature | -20°C to 105°C |
| Package | LFBGA 354 (16x16x1.7 mm, 0.8 mm pitch) |
Key Features
- Dual-Core Processor: Dual-core Arm® Cortex®-A7 and single-core Arm® Cortex®-M4 for balanced performance and power efficiency.
- 3D Graphics Processing: Vivante® OpenGL® ES 2.0 GPU with up to 26 Mtriangle/s and 133 Mpixel/s performance.
- Advanced Memory: External DDR memory up to 1 Gbyte and 708 Kbytes of internal SRAM.
- Display Capabilities: LCD-TFT controller supporting up to WXGA (1366 × 768) @60 fps or Full HD (1920 × 1080) @30 fps.
- Extensive Communication Interfaces: Includes I2C, UART, USART, SPI, SAI, HDMI-CEC, MDIO, SDMMC, CAN, and USB interfaces.
- Power Management: Low-power modes (Sleep, Stop, Standby), on-chip LDOs, and backup regulator for efficient power consumption.
- Security Features: TrustZone® peripherals, active tamper, and Cortex®-M4 resources isolation for enhanced security.
Applications
- Industrial Automation: Suitable for industrial control systems and automation due to its robust processing and communication capabilities.
- Consumer Electronics: Ideal for high-end wearables, smart home devices, and other consumer electronics requiring advanced graphics and processing.
- Medical Devices: Can be used in medical devices that require high-performance processing, advanced graphics, and low power consumption.
- Automotive Systems: Applicable in automotive systems for infotainment, navigation, and other advanced driver-assistance systems (ADAS).
- IoT Devices: Suitable for Internet of Things (IoT) devices that need robust processing, low power consumption, and multiple communication interfaces.
Q & A
- What are the core components of the STM32MP157DAB1?
The STM32MP157DAB1 features a dual-core Arm® Cortex®-A7 and a single-core Arm® Cortex®-M4.
- What is the maximum frequency of the Cortex-A7 and Cortex-M4 cores?
The Cortex-A7 core operates at up to 800 MHz, and the Cortex-M4 core operates at up to 209 MHz.
- What type of GPU does the STM32MP157DAB1 include?
The STM32MP157DAB1 includes a Vivante® OpenGL® ES 2.0 GPU.
- What are the display capabilities of the STM32MP157DAB1?
The device supports up to WXGA (1366 × 768) @60 fps or Full HD (1920 × 1080) @30 fps through its LCD-TFT controller.
- What types of communication interfaces are available on the STM32MP157DAB1?
The device includes various communication interfaces such as I2C, UART, USART, SPI, SAI, HDMI-CEC, MDIO, SDMMC, CAN, and USB.
- What are the power management features of the STM32MP157DAB1?
The device features low-power modes (Sleep, Stop, Standby), on-chip LDOs, and a backup regulator for efficient power consumption.
- What is the operating temperature range of the STM32MP157DAB1?
The operating temperature range is -20°C to 105°C.
- What is the package type of the STM32MP157DAB1?
The device is packaged in an LFBGA 354 (16x16x1.7 mm, 0.8 mm pitch).
- Does the STM32MP157DAB1 support external memory?
Yes, it supports external DDR memory up to 1 Gbyte (LPDDR2/LPDDR3-1066, DDR3/DDR3L-1066).
- What security features are included in the STM32MP157DAB1?
The device includes TrustZone® peripherals, active tamper, and Cortex®-M4 resources isolation for enhanced security.
