STM32U5A5ZIT6

Microcontrollers Overview

The STM32U5A5ZIT6 is an ultra-low-power microcontroller based on the Arm Cortex-M33 core, operating at frequencies up to 160 MHz. It features a single-precision floating-point unit (FPU) and digital signal processing (DSP) instructions. The device integrates 4 Mbytes of flash memory with ECC and 2.5 Mbytes of SRAM. Security is enhanced by TrustZone, PSA Level 3 certification, and dedicated cryptographic accelerators including AES, PKA, HASH, and RNG.

Microcontrollers Feature Summary

• Ultra-low-power architecture with FlexPowerControl supporting multiple low-power modes down to shutdown.
• Integrated hardware security foundation compliant with Arm TrustZone and PSA Level 3 standards.
• Rich multimedia capabilities featuring Neo-Chrom GPU, Chrom-ART Accelerator, and MIPI DSI interface.
• Comprehensive analog and communication peripherals including high-speed ADCs, DACs, USB Type-C, and CAN FD.

Microcontrollers Applications

• Industrial advanced human-machine interfaces
• Smart home appliances and thermostats
• Point-of-sale systems
• Wearable electronics

Microcontrollers Procurement Notes

Verify the specific package type and temperature grade corresponding to the suffix 'IT' against the official datasheet before procurement. Ensure that the required pinout configuration matches the LQFP144 package dimensions. Confirm that the selected variant supports the necessary security boot requirements for your application.

Microcontrollers Selection Notes

Select this component when high performance combined with strict power constraints is required. The inclusion of TrustZone and PSA Level 3 makes it suitable for applications demanding secure firmware updates and data protection. Consider the available external memory interfaces if larger storage expansion beyond the internal flash is needed.

Microcontrollers Part Context

This part belongs to the STM32U5A series, which extends the ultra-low-power portfolio with enhanced connectivity and security features. It shares architectural similarities with other STM32U5 devices but offers higher memory capacity and specialized cryptographic engines compared to lower-tier models in the family.

Microcontrollers Replacement Considerations

Check for pin-to-pin compatible alternatives within the STM32U5A or STM32U595 families. Verify that any substitute maintains the same package size and thermal characteristics while meeting the specific memory and peripheral requirements of the design.

Microcontrollers FAQ

Does the STM32U5A5ZIT6 support secure boot?

Yes, the device includes security features compliant with Arm TrustZone and PSA Level 3, enabling secure boot, secure data storage, and secure firmware updates.

What graphics acceleration features are included?

The MCU integrates the Neo-Chrom GPU for 2D graphics acceleration and the Chrom-ART Accelerator for smooth motion and transparency effects, along with a MIPI DSI host controller.