STM32U575RGT6 ST Mainstream Arm Cortex-M33 Ultra-Low-Power 32-bit MCU 1MB Flash 786KB SRAM USB CAN FD OctoSPI TrustZone LQFP-64

STM32U575RGT6 Product Overview

STM32U575RGT6 is an Arm Cortex-M33 MCU at 160 MHz with FPU and TrustZone, LQFP-64. 1 MB Dual-Bank Flash, 786 KB SRAM, USB OTG FS (crystal-less), CAN FD, OctoSPI, two 12-bit ADCs (5 Msps, 14 ch), two 12-bit DACs (buffered), one op-amp (8 MHz GBW), two comparators, capacitive touch sensing (TSC), true random number generator (TRNG), 2×SAI audio interfaces, SDMMC (4-bit), LP timers, RTC, 3×USART, 1×UART, 1×LPUART, 2×SPI/I2S, 4×I2C. Up to 51 x 5 V-tolerant I/Os. 1.71–3.6 V, -40–85 °C. As the next-generation successor to the STM32L4/L4+ platform, the STM32U575RGT6 delivers higher Cortex-M33 performance with TrustZone security isolation and significantly more SRAM at even lower power, purpose-built for next-gen IoT nodes, wearables, and industrial sensors requiring advanced security, USB and CAN FD communication, large data buffering, and extended battery life.

STM32U575RGT6 Core Features

Core: The STM32U575RGT6 features Arm Cortex-M33 160 MHz, FPU + ART Accelerator + TrustZone + MPU

Memory: STM32U575RGT6 provides 1 MB Dual-Bank Flash (RWW), 786 KB SRAM (incl. 322 KB retention standby)

USB & CAN: The STM32U575RGT6 supports USB OTG FS (Crystal-less), CAN FD

Analog: STM32U575RGT6 integrates 2×12-bit ADCs (5 Msps, 14 ch), 2×12-bit DACs, 1×Op-Amp (PGA), 2×Comparators

Audio & Storage: The STM32U575RGT6 offers 2×SAI audio interfaces, SDMMC (4-bit), OctoSPI

Capacitive Touch: The STM32U575RGT6 includes Capacitive Touch Sensing (TSC)

Connectivity: STM32U575RGT6 provides 3×USART, 1×UART, 1×LPUART, 2×SPI/I2S, 4×I2C

Security: The STM32U575RGT6 features TrustZone HW isolation, Secure Boot, AES/DMA/True RNG

Timers: The STM32U575RGT6 includes 2×Advanced Motor Control Timers, multiple GP/LP timers, RTC

I/Os: STM32U575RGT6 has 51 (5 V-tolerant)

Package: LQFP-64

Temperature Range: -40°C to 85°C

STM32U575RGT6 Applications

Secure IoT Nodes: Wireless sensors and cloud-connected devices needing TrustZone isolation and secure boot

Portable & Wearable Devices: Ultra-long battery life health monitors, portable medical devices

Industrial Sensors & Metering: Industrial instruments, water/gas/electricity meters, environmental monitoring

Motor Control: Dual-motor FOC, servo drives

Audio & Consumer Electronics: Digital audio interfaces, advanced remote controls, smart cards

STM32U575RGT6 Key Advantages

160 MHz Cortex-M33 + TrustZone: Higher processing performance with hardware-enforced security isolation to protect critical code and data

786 KB Large SRAM: Significantly boosts data buffering and complex protocol stack capability beyond L4/L4+ series

USB + CAN FD + Ultra-Low Power: Crystal-less USB and high-speed CAN FD, balancing communication flexibility with long battery life

OctoSPI High-Speed Expansion: Easily connect external large-capacity Flash/RAM for code and data expansion

Integrated Op-Amp, DACs, Comparators, Capacitive Touch: Rich analog and mixed-signal functionality, saving external components

51 x 5 V-tolerant I/Os in Compact LQFP-64: High-density connectivity with robust noise immunity

Full Ecosystem Compatibility: Easy development with STM32CubeIDE/CubeMX/HAL/LL libraries

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FAQ

1. What is STM32U575RGT6?
STM32U575RGT6 is an ultra-low-power 32-bit MCU from STMicroelectronics' STM32U5 series, based on the Arm® Cortex®-M33 core with Arm TrustZone® security technology. It comes in an LQFP-64 package, designed for industrial, consumer, and IoT applications requiring a balance of high performance and ultra-low power consumption.

2. What are the key specifications of STM32U575RGT6?

• Core: Arm® Cortex®-M33, up to 160MHz, 240 DMIPS

• Memory: 1MB Flash (dual-bank, read-while-write), 786KB SRAM

• Operating Voltage: 1.71V ~ 3.6V

• Temperature Range: -40°C to +85°C (industrial grade)

• I/O Count: 51

• Package: LQFP-64 (10mm × 10mm)

3. What package does STM32U575RGT6 use?
LQFP-64 package, measuring 10mm × 10mm with 0.5mm pin pitch.

4. What applications is STM32U575RGT6 suitable for?
Smart IoT consumer products (activity trackers, smart watches), smart home devices, smart metering (water/gas/electricity meters), industrial sensors and signal conditioning equipment, mobile POS terminals, medical devices (insulin pumps, glucose meters), and IoT nodes requiring TrustZone security isolation.

5. What development tools support STM32U575RGT6?
ST's official STM32CubeMX (graphical configuration tool) and STM32CubeIDE (integrated development environment). Comes with the STM32CubeU5 firmware library (HAL/LL drivers). Supports TouchGFX graphics framework and Azure RTOS (ThreadX) real-time operating system. Debugging/programming supported via ST-Link series.

6. What is the operating temperature range and power consumption of STM32U575RGT6?

• Temperature Range: -40°C to +85°C (ambient temperature TA)

• Ultra-low-power modes:

  • Shutdown mode: 160 nA (24 wake-up pins)

  • Standby mode: 210 nA (24 wake-up pins), 530 nA with RTC

  • Stop 2 mode: 4.0 µA (16KB SRAM retained) / 8.95 µA (full SRAM retained)

  • Run mode: 19.5 µA/MHz @ 3.3V

7. What security features does STM32U575RGT6 support?
Supports Arm TrustZone® security isolation technology with securable I/Os, memories, and peripherals. Features flexible life cycle management (RDP and password-protected debug), unique secure boot entry, and secure hide protection area (HDP). ULPMark™-CM score: 51.5, SecureMark™-TLS score: 133,000.

8. What is the difference between STM32U575RGT6 and STM32U575VGT6?
Both share identical core performance (160MHz Cortex-M33, 1MB Flash / 786KB SRAM). The key difference is package and I/O count: STM32U575RGT6 uses LQFP-64 (10×10mm) with 51 I/Os; STM32U575VGT6 uses LQFP-100 (14×14mm) with 82 I/Os. Choose based on PCB space and I/O requirements.

9. What peripheral interfaces does STM32U575RGT6 support?

• Communication: CANbus, I2C, IrDA, LINbus, MMC/SD/SDIO, SAI, SmartCard, SPDIF, SPI, UART/USART, USB, USB OTG

• Analog: 17-channel 12/14-bit ADC, 2-channel 12-bit DAC

• Timers: Motor control PWM, watchdog timers, etc.

• Memory Interface: 2 Octo-SPI memory interfaces

10. What memory expansion options does STM32U575RGT6 support?
Supports 2 Octo-SPI memory interfaces for flexible external expansion with NOR Flash, PSRAM, SRAM, NAND Flash, FRAM, etc.. This allows STM32U575RGT6 to easily expand capacity via external memory in resource-constrained applications, meeting the needs of scenarios requiring larger code or data storage.