STM32MP157AAC3

Overview

The STM32MP157AAC3T is a microprocessor IC from the STM32MP1 series, manufactured by STMicroelectronics. It features a dual-core 32-bit ARM Cortex-A7 processor operating at up to 650 MHz and a 32-bit ARM Cortex-M4 real-time coprocessor running at up to 209 MHz. The device integrates a Vivante 3D GPU supporting OpenGL ES 2.0, extensive memory controllers for external DDR/LPDDR, and over 37 communication interfaces including Ethernet, USB, and CAN FD. It is housed in a 361-ball TFBGA package measuring 12x12 mm.

Feature Summary

• Dual-core heterogeneous architecture combining high-performance application processing with real-time control capabilities
• Integrated hardware security features including Arm TrustZone and active tamper detection mechanisms
• Comprehensive multimedia support with dedicated 3D graphics acceleration and display controllers
• Extensive peripheral set including multiple high-speed serial interfaces and analog converters

Applications

• Industrial human-machine interface (HMI) panels
• Smart home gateways and IoT hubs
• Medical equipment displays
• Automotive infotainment systems

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm package type and temperature range. Ensure compatibility with required power management integrated circuits (PMICs) as specified in the reference design documentation. Confirm that the supply chain source provides valid traceability for industrial-grade components.

Selection Notes

Select this component when both complex operating system execution and deterministic real-time control are required within a single chip. Evaluate thermal dissipation requirements carefully due to the high performance of the Cortex-A7 cores. Consider the availability of OpenSTLinux software support and ecosystem tools for accelerated development cycles.

Part Context

This part belongs to the STM32MP1 family, designed to bridge the gap between traditional microcontrollers and application processors. It utilizes a 28nm process technology to deliver high performance while maintaining low power consumption profiles suitable for battery-operated or thermally constrained embedded environments.

Replacement Considerations

STM32MP157CAA3T