STM32MP251CAK3

Microprocessors Overview

The STM32MP251CAK3 is a microprocessor from the STM32MP2 series, manufactured by STMicroelectronics. It integrates heterogeneous processing capabilities with dual Arm Cortex-A35 cores operating at up to 1.2 GHz, a single Arm Cortex-M33 core running at 400 MHz, and one Arm Cortex-M0+ core. The device features a 361-VFBGA package measuring 10x10 mm. Key interfaces include Gigabit Ethernet, USB 2.0, USB 3.0, and USB Type-C. It supports DDR3L, DDR4, and LPDDR4 memory controllers and includes advanced security features such as ARM TrustZone, secure boot, and a true random number generator.

Microprocessors Feature Summary

• Heterogeneous multi-core architecture combining high-performance application processing with real-time control and low-power management domains.
• Integrated graphics acceleration unit supporting OpenGL ES 3.1, Vulkan 1.3, OpenCL 3.0, and OpenVX 1.3 standards.
• Advanced security framework targeting SESIP3 certification with hardware-based encryption, decryption, and key protection mechanisms.
• Comprehensive peripheral connectivity including multiple high-speed serial interfaces, CAN bus, and display controllers for LVDS and MIPI-CSI2.

Microprocessors Applications

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

Microprocessors Procurement Notes

Verify the specific suffix 'K3' against official STMicroelectronics documentation to confirm pinout compatibility and package dimensions. Ensure that the selected external DRAM type matches the supported controller specifications for DDR3L, DDR4, or LPDDR4. Confirm that the manufacturing revision aligns with current product change notifications to avoid integration issues during production.

Microprocessors Selection Notes

Select this component when a balance of high-performance computing and robust security is required for edge applications. The inclusion of both Cortex-A35 and Cortex-M33 cores allows for separation of complex operating system tasks from deterministic real-time control loops. Consider the available I/O count and interface options relative to the target PCB layout constraints.

Microprocessors Part Context

This part belongs to the STM32MP2 family, designed to replace older MPU generations with higher performance per watt. It utilizes mainlined OpenSTLinux distributions for software development. The series emphasizes supply chain stability by supporting legacy DDR3L alongside modern DDR4/LPDDR4 technologies.

Microprocessors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.