STM32MP131DAE7

Microprocessors Overview

The STM32MP131DAE7 is a microprocessor featuring a single Arm Cortex-A7 core operating up to 1 GHz. It includes 32-Kbyte L1 instruction and data caches, plus a 128-Kbyte unified level 2 cache. The device supports external DDR memory up to 1 Gbyte via LPDDR2/LPDDR3 or DDR3/DDR3L interfaces. Internal storage comprises 168 Kbytes of SRAM distributed across AXI SYSRAM, AHB SRAM, and backup domains. Security features include Arm TrustZone, hardware acceleration for cryptography, and tamper detection pins.

Microprocessors Feature Summary

• Arm TrustZone technology provides secure operations with peripheral protection and tamper detection capabilities.
• Hardware acceleration supports ECDSA verification, HASH algorithms, HMAC, and true random number generation.
• Integrated low-power modes including Sleep, Stop, and Standby with DDR retention support.
• Comprehensive connectivity includes Ethernet MAC, USB 2.0 Host/OTG, SDMMC, SPI, I2C, and UART/USART interfaces.

Microprocessors Applications

• Industrial automation and PLC systems
• Smart home gateways and thermostats
• Point-of-sale terminals and cash registers
• Medical patient monitoring devices

Microprocessors Procurement Notes

Verify the specific ordering suffix 'DAE7' against the manufacturer's official datasheet to confirm package type (TFBGA320), temperature range, and security certification level. Ensure compatibility with required external memory configurations and power management ICs before procurement.

Microprocessors Selection Notes

Select this component for applications requiring high energy efficiency and certified security in entry-level Linux or RTOS environments. The single-core architecture optimizes cost while maintaining performance suitable for IoT and industrial control tasks. Evaluate pin count and interface requirements against the available GPIO and peripheral options.

Microprocessors Part Context

This part belongs to the STM32MP13x product line within the broader STM32MP1 series. It is designed as an entry-level microprocessor offering enhanced security and lower power consumption compared to higher-end variants. The series targets cost-sensitive applications requiring robust processing capabilities for connected devices.

Microprocessors Replacement Considerations

Consult the official STM32MP131A/D datasheet for confirmed substitute part numbers. Verify functional equivalence regarding core frequency, memory capacity, and security features when considering alternatives within the same family.