STM32MP251AAK3

Microprocessors Overview

The STM32MP251AAK3 is an industrial-grade microprocessor from the STM32MP2 series, featuring a single Arm Cortex-A35 core operating at up to 1.2 GHz and a Cortex-M33 core running at 400 MHz. It integrates a Cortex-M0+ core for low-power peripheral management. The device supports DDR3L, DDR4, and LPDDR4 external memory interfaces with capacities up to 4 GB. Key hardware features include a 3D GPU, TrustZone security, and multiple high-speed peripherals such as Ethernet, USB, and CAN.

Microprocessors Feature Summary

• Heterogeneous processing architecture combining high-performance application cores with secure real-time control capabilities
• Integrated 3D graphics processing unit supporting modern rendering standards for interactive user interfaces
• Comprehensive security framework including TrustZone and secure boot mechanisms for data protection
• Flexible memory interface supporting various SDRAM technologies to optimize supply chain resilience

Microprocessors Applications

• Industrial automation and factory control systems
• Smart home hubs and IoT gateways
• Electric vehicle charging stations
• Smart metering infrastructure

Microprocessors Procurement Notes

Verify the specific suffix 'AK3' against official STMicroelectronics documentation to confirm package type, temperature grade, and mass storage configuration. Ensure compatibility with required DRAM types and check for any recent Product Change Notifications that may affect pinout or electrical characteristics before finalizing design-in decisions.

Microprocessors Selection Notes

Select this component when a single-core A35 solution is sufficient for the target application's computational load. It offers a balance between performance and cost compared to dual-core variants. Consider the integrated GPU and extensive peripheral set if display connectivity or complex I/O requirements are present in the system design.

Microprocessors Part Context

This part belongs to the STM32MP2 family, designed to bridge the gap between high-performance MPUs and traditional MCUs. It utilizes mainlined OpenSTLinux distributions for software development. The series emphasizes security and energy efficiency, targeting applications requiring robust Linux-based processing alongside real-time control tasks.

Microprocessors Replacement Considerations

Check for STM32MP251CAL3 or STM32MP251DAL3 depending on required clock speeds and package variations. Verify that alternative parts maintain the same VFBGA-361 footprint and electrical specifications to ensure mechanical and functional compatibility.