STMicroelectronics STM32U5A5AJH3

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32U5
Packaging Tray |
Core Processor ARM® Cortex®-M33
Core Size 32-Bit
Speed 160MHz
Connectivity CANbus, EBI/EMI, FIFO, I2C, IrDA, LINbus, MMC/SD, SPI, UART/USART/USB
Peripherals Brown-out Detect/Reset, Crypto - AES, DMA, PWM, SHA, Temp Sensor, TRNG, WDT
Number of I/O 136
Program Memory Size 4MB (4M x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 2.5M x 8
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.6V
Data Converters A/D 24x12/14b SAR; D/A 2x12b
Oscillator Type External, Internal
Operating Temperature -40°C ~ 125°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 169-TFBGA (7x7)
Package / Case 169-TFBGA
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STMicroelectronics STM32U5A5AJH3 is an ultra-low-power MCU based on the ARM Cortex-M33 at 160MHz. It offers 4MB flash and 2.5MB SRAM, with hardware AES/SHA and TRNG. Operating from 1.71V to 3.6V and -40°C to 125°C, it is designed for secure, battery-powered industrial and consumer applications.

  • Ultra-low power: Optimized for battery life with multiple low-power modes.
  • High memory density: 4MB flash + 2.5MB SRAM for complex applications.
  • Robust security: AES, SHA, TRNG, and secure boot features.
  • Wide temperature range: -40°C to 125°C for industrial reliability.

Smart Meters

Ultra-low power consumption and 4MB flash support long-term data logging and secure communication protocols.

Industrial Sensors

Wide temperature range and 160MHz performance enable precise, reliable data acquisition in extreme conditions.

Wearable Health Devices

Low voltage (1.71V) and efficient M33 core extend battery life for continuous monitoring.

Secure Access Control

Hardware crypto acceleration and TRNG support secure authentication for smart locks and readers.

Home Automation Hubs

Large memory and DMA handle multiple wireless stacks (Zigbee, BLE) simultaneously.

Portable Instrumentation

High-resolution ADC (internal) and low-power modes make it ideal for handheld test equipment.

Q: What is the maximum clock speed?
A: 160MHz on the ARM Cortex-M33 core.
Q: How much flash memory is available?
A: 4MB of program flash.
Q: What is the operating temperature range?
A: -40°C to 125°C, suitable for harsh environments.
Q: Does it have hardware security?
A: Yes, with AES, SHA, and TRNG for cryptographic operations.
Base Product Number : STM32U5A5AJ
160MHz 169-TFBGA 32-bit 4MB flash ARM Cortex-M33 crypto industrial secure STM32U5 ultra-low-power
Q: What is the maximum clock speed?
A: 160MHz on the ARM Cortex-M33 core.
Q: How much flash memory is available?
A: 4MB of program flash.
Q: What is the operating temperature range?
A: -40°C to 125°C, suitable for harsh environments.
Q: Does it have hardware security?
A: Yes, with AES, SHA, and TRNG for cryptographic operations.