STM32MP251CAL3

Microprocessors Overview

The STM32MP251CAL3 is a microprocessor IC from the STM32MP2 series, manufactured by STMicroelectronics. It integrates heterogeneous processing capabilities with an Arm Cortex-A35 core running at 1.2 GHz, an Arm Cortex-M33 core at 400 MHz, and an Arm Cortex-M0+ core at 200 MHz. The device features a 361-VFBGA package (10x10 mm) and supports DDR3L, DDR4, and LPDDR4 memory controllers. It includes a 3D GPU, single Ethernet port, USB 2.0/3.0 interfaces, and operates within a temperature range of -40°C to 125°C TJ.

Microprocessors Feature Summary

• Heterogeneous multi-core architecture combining high-performance application processing with real-time control and ultra-low-power standby management.
• Integrated security features including TrustZone, secure boot, and hardware cryptographic acceleration for edge confidential computing.
• High integration with dedicated power management support and compatibility with low-cost PCB technologies.

Microprocessors Applications

• Industrial and factory automation systems
• Electric vehicle (EV) chargers
• Smart home devices
• Smart metering infrastructure

Microprocessors Procurement Notes

Verify component authenticity through authorized STMicroelectronics distributors or certified partners. Confirm package integrity and moisture sensitivity level handling procedures prior to assembly. Ensure supply chain documentation matches the specific STM32MP251CAL3 part number to avoid substitution errors with similar variants in the STM32MP2 family.

Microprocessors Selection Notes

Select this model when a balance of moderate application performance and robust security is required without the higher cost of dual Cortex-A cores. The 1.2 GHz Cortex-A35 frequency suits applications where extreme graphical throughput is not critical. Verify external memory requirements against the supported DDR3L/DDR4/LPDDR4 controllers to optimize bill of materials.

Microprocessors Part Context

This component belongs to the STM32MP2 series, designed as general-purpose microprocessors for industrial markets. It succeeds previous generations by offering enhanced security certifications and improved power efficiency through the Cortex-A35 and Cortex-M33 combination. The series targets developers seeking mainline Linux support via OpenSTLinux.

Microprocessors Replacement Considerations

STM32MP251DAL3 offers identical architecture but with a higher Cortex-A35 clock speed of 1.5 GHz. STM32MP251A provides a single Cortex-A35 core variant. Direct pin-to-pin replacements within the same package require verification of thermal specifications and software configuration compatibility.