Overview
The STM32MP157CAC3 is a high-performance microprocessor from STMicroelectronics, designed for a wide range of applications requiring both high processing power and low power consumption. This device is part of the STM32MP1 series, which combines the efficiency of a dual-core Arm Cortex-A7 processor with the real-time capabilities of a single-core Arm Cortex-M4 coprocessor. The STM32MP157CAC3 is housed in a TFBGA361 package, making it suitable for various embedded and consumer applications, including high-end wearables and industrial systems.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor Core | 32-bit dual-core Arm Cortex-A7, 32-bit single-core Arm Cortex-M4 |
| Cache Memory | L1: 32 kB instruction and data cache for each Cortex-A7 core, L2: 256 kB unified cache |
| RAM | 708 kB SRAM (including 256 kB AXI SYSRAM, 384 kB AHB SRAM, 64 kB AHB SRAM in backup domain, and 4 kB SRAM in backup domain) |
| Maximum Core Clock | Cortex-A7: up to 650 MHz, Cortex-M4: up to 209 MHz |
| Memory Support | DDR3, DDR3L, LPDDR2, LPDDR3 up to 1 Gbyte |
| Interfaces | 6 x SPI, 2 x CAN, 4 x UART, 4 x USART, HDMI, 3 x USB 2.0 OTG, CSI, 6 x I2C, 3 x I2S, 4 x SAI, SPDIF, Ethernet 10/100 Mb |
| ADC/DAC | 2 x 16-bit ADC, 2 x 12-bit DAC |
| Operating Voltage | 1.71 V to 3.6 V |
| Operating Temperature | -40°C to 125°C |
| Package | TFBGA361 |
Key Features
- Dual-Core Processor: Combines a 32-bit dual-core Arm Cortex-A7 processor with a 32-bit single-core Arm Cortex-M4 coprocessor.
- Cache and Memory: Features 32 kB L1 instruction and data cache for each Cortex-A7 core, 256 kB L2 unified cache, and 708 kB of internal SRAM.
- High-Speed Interfaces: Supports multiple high-speed interfaces including HDMI, USB 2.0 OTG, SPI, I2C, I2S, SAI, and Ethernet 10/100 Mb.
- Low Power Consumption: Offers low power modes such as Sleep, Stop, and Standby, with total current consumption down to 2 μA in Standby mode.
- Security Features: Includes secure boot, TrustZone, and cryptographic acceleration cell for enhanced security.
- Graphics Processing: Embedded 3D graphic processing unit (Vivante OpenGL ES 2.0) running at up to 533 MHz.
- Analog Peripherals: Two 16-bit ADCs, two 12-bit DACs, and digital filters for sigma delta modulators.
Applications
- Industrial Automation: Suitable for industrial control systems, motor control, and automation applications.
- Consumer Electronics: Ideal for high-end wearables, smart home devices, and other consumer electronics requiring high performance and low power consumption.
- Medical Devices: Can be used in medical devices that require real-time processing and high reliability.
- 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 processing power and energy efficiency.
Q & A
- What is the core configuration of the STM32MP157CAC3?
The STM32MP157CAC3 features a 32-bit dual-core Arm Cortex-A7 processor and a 32-bit single-core Arm Cortex-M4 coprocessor.
- What is the maximum clock speed of the Cortex-A7 and Cortex-M4 cores?
The Cortex-A7 core operates up to 650 MHz, and the Cortex-M4 core operates up to 209 MHz.
- How much internal SRAM does the STM32MP157CAC3 have?
The device has 708 kB of internal SRAM.
- What types of memory does the STM32MP157CAC3 support?
The device supports DDR3, DDR3L, LPDDR2, and LPDDR3 memory types up to 1 Gbyte.
- What are the key interfaces supported by the STM32MP157CAC3?
The device supports HDMI, USB 2.0 OTG, SPI, I2C, I2S, SAI, and Ethernet 10/100 Mb among others.
- What is the operating voltage range of the STM32MP157CAC3?
The operating voltage range is from 1.71 V to 3.6 V.
- What are the security features of the STM32MP157CAC3?
The device includes secure boot, TrustZone, and a cryptographic acceleration cell for enhanced security.
- Does the STM32MP157CAC3 have any graphics processing capabilities?
Yes, it features a 3D graphic processing unit (Vivante OpenGL ES 2.0) running at up to 533 MHz.
- What are the low power modes available on the STM32MP157CAC3?
The device offers Sleep, Stop, and Standby modes with total current consumption down to 2 μA in Standby mode.
- What is the package type of the STM32MP157CAC3?
The device is housed in a TFBGA361 package.
