STMicroelectronics STM32U545REI6Q

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32U5
Packaging Tray | NULL
Core Processor ARM® Cortex®-M33
Core Size 32-Bit
Speed 160MHz
Connectivity CANbus, I2C, IrDA, LINbus, MMC/SD/SDIO, SAI, SmartCard, SPDIF, SPI, UART/USART, USB, USB OTG
Peripherals Brown-out Detect/Reset, DMA, LCD, Motor Control PWM, POR, PWM, WDT
Number of I/O 47
Program Memory Size 512KB (512K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 274K x 8
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.6V
Data Converters A/D 15x12/14b SAR; D/A 2x12b
Oscillator Type External, Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 64-UFBGA (5x5)
Package / Case 64-UFBGA
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STMicroelectronics STM32U545REI6Q is a secure MCU with an ARM Cortex-M33 core at 160MHz. It provides 512KB flash and 274KB RAM, operating from 1.71V to 3.6V. This variant offers the same features as the standard model, including TrustZone security, LCD, and motor control, in a 64-UFBGA package.

  • Identical performance to STM32U545REI6: Same core, memory, and peripherals.
  • Enhanced security: TrustZone for secure boot and updates.
  • High memory capacity: 512KB flash for large applications.
  • Compact package: 64-UFBGA for space-constrained designs.

Secure Access Control

TrustZone enables secure key storage for biometric or card readers.

Smart City Sensors

Low power and high performance support edge AI for traffic monitoring.

Medical Implants

Reliable operation and security features suit critical health devices.

Industrial Robotics

Motor control PWM and 160MHz speed handle precise motion control.

Energy Harvesting Systems

1.71V operation allows direct power from energy harvesters.

Multi-Protocol IoT Devices

Large RAM supports concurrent BLE, Zigbee, and Thread stacks.

Q: How does this differ from STM32U545REI6?
A: The 'Q' suffix indicates a different ordering code, but electrical specs are identical.
Q: What is the core?
A: ARM Cortex-M33 with TrustZone at 160MHz.
Q: What is the flash size?
A: 512KB flash.
Q: What is the RAM size?
A: 274KB RAM.
Q: What package is it?
A: 64-UFBGA.
Base Product Number : STM32U545REI6
160MHz 274KB RAM 32-bit 512KB Flash ARM Cortex-M33 IoT MCU STMicroelectronics TrustZone UFBGA-64
Q: How does this differ from STM32U545REI6?
A: The 'Q' suffix indicates a different ordering code, but electrical specs are identical.
Q: What is the core?
A: ARM Cortex-M33 with TrustZone at 160MHz.
Q: What is the flash size?
A: 512KB flash.
Q: What is the RAM size?
A: 274KB RAM.
Q: What package is it?
A: 64-UFBGA.