STM32MP253CAL3

Microprocessors Overview

The STM32MP253CAL3 is a microprocessor from the STM32MP2 series, manufactured by STMicroelectronics. It features a heterogeneous multi-core architecture comprising dual Arm Cortex-A35 cores operating at up to 1.2 GHz and an Arm Cortex-M33 core running at 400 MHz. The device utilizes a 361-pin VFBGA package with dimensions of 10x10 mm. It includes 648 kB of data RAM and supports DDR3L, DDR4, and LPDDR4 memory controllers. The processor provides 144 I/Os, two Ethernet ports, three FD-CAN interfaces, and various peripheral interfaces including USB, SPI, UART, and I2C. Operating temperatures range from -40°C to +125°C.

Microprocessors Feature Summary

• Heterogeneous processing architecture combining high-performance Cortex-A35 application cores with secure Cortex-M33 real-time control cores.
• Integrated security features including TrustZone technology and secure boot capabilities for system protection.
• High integration level supporting low-cost PCB technologies with extensive connectivity options.
• Hardware acceleration support for graphics and multimedia processing.

Microprocessors Applications

• Industrial automation and factory control systems
• Smart home infrastructure devices
• Electric vehicle (EV) charging stations
• Advanced 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 compatibility with required power management ICs such as the STPMIC2L. Validate that the specific suffix corresponds to the desired pinout and performance grade. Review official datasheets for detailed electrical characteristics and thermal requirements.

Microprocessors Selection Notes

Select this model when a balance of industrial robustness and secure computing is required within the STM32MP2 portfolio. The CAL3 variant offers a compact 361-pin VFBGA footprint suitable for space-constrained designs. Consider the 1.2 GHz A35 frequency if maximum 1.5 GHz performance is not critical. Verify that the integrated NPU and GPU resources meet application needs without requiring external accelerators.

Microprocessors Part Context

This component belongs to the STM32MP25x product line, designed for connected applications requiring extended connectivity and security. It represents a second-generation 64-bit platform optimized for industrial environments. The series emphasizes chip robustness and secure isolation for edge confidential computing. It is part of a broader ecosystem supporting Linux and Android distributions.

Microprocessors Replacement Considerations

The STM32MP253CAJ3 is a verified alternative within the same series, offering similar core specifications but housed in a different package type. Both parts share the same ARM core architecture and functional capabilities. Designers must account for pinout differences and mechanical constraints when substituting between these variants.