STM32U575VGT6 ST Mainstream Arm Cortex-M33 Ultra-Low-Power 32-bit MCU 1MB Flash 786KB SRAM USB CAN FD OctoSPI TrustZone LQFP-100

STM32U575VGT6 Product Overview

STM32U575VGT6 is an Arm Cortex-M33 MCU at 160 MHz with FPU and TrustZone, LQFP-100. The STM32U575VGT6 features 1 MB Dual-Bank Flash, 786 KB SRAM, USB OTG FS (crystal-less), CAN FD, OctoSPI, two 12-bit ADCs (5 Msps, 16 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. The STM32U575VGT6 offers up to 83 x 5 V-tolerant I/Os, operates from 1.71–3.6 V, and covers -40–85 °C. Compared to the 64-pin STM32U575RGT6, the 100-pin STM32U575VGT6 offers more I/Os and richer analog channels, making the STM32U575VGT6 a more powerful ultra-low-power platform for next-gen IoT gateways, industrial sensors, and portable instruments requiring advanced security, USB and CAN FD communication, large data buffering, and extensive peripheral connectivity.

STM32U575VGT6 Core Features

The STM32U575VGT6 integrates a comprehensive set of features for demanding low-power applications:

Core: The STM32U575VGT6 is built around an Arm Cortex-M33 core at 160 MHz, with FPU + ART Accelerator + TrustZone + MPU

Memory: The STM32U575VGT6 provides 1 MB Dual-Bank Flash (RWW) and 786 KB SRAM (incl. 322 KB retention standby)

USB & CAN: The STM32U575VGT6 integrates USB OTG FS (Crystal-less) and CAN FD

Analog: The STM32U575VGT6 includes 2×12-bit ADCs (5 Msps, 16 ch), 2×12-bit DACs, 1×Op-Amp (PGA), and 2×Comparators

Audio & Storage: The STM32U575VGT6 features 2×SAI audio interfaces, SDMMC (4-bit), and OctoSPI

Capacitive Touch: The STM32U575VGT6 supports Capacitive Touch Sensing (TSC)

Connectivity: The STM32U575VGT6 offers 3×USART, 1×UART, 1×LPUART, 2×SPI/I2S, and 4×I2C

Security: The STM32U575VGT6 includes TrustZone HW isolation, Secure Boot, AES/DMA/True RNG

Timers: The STM32U575VGT6 has 2×Advanced Motor Control Timers, multiple GP/LP timers, and RTC

I/Os: The STM32U575VGT6 provides 83 (5 V-tolerant)

Package: The STM32U575VGT6 comes in LQFP-100

Temperature Range: The STM32U575VGT6 operates from -40°C to 85°C

STM32U575VGT6 Applications

The STM32U575VGT6 is perfectly suited for a wide range of secure, low-power embedded applications, including:

Secure IoT Gateways: Industrial IoT gateways and cloud-connected nodes needing TrustZone isolation and secure boot – the STM32U575VGT6 excels in such roles

Portable & Wearable Devices: Ultra-long battery life health monitors, portable medical devices – the STM32U575VGT6's low-power modes extend battery life

Industrial Sensors & Metering: Industrial instruments, water/gas/electricity meters, environmental monitoring – the STM32U575VGT6 integrates rich analog and communication interfaces

Motor Control: Dual-motor FOC, servo drives – the STM32U575VGT6's advanced timers and analog peripherals support precise control

Audio & Consumer Electronics: Digital audio interfaces, advanced remote controls, smart cards – the STM32U575VGT6's SAI and USB make it ideal for audio applications

STM32U575VGT6 Key Advantages

160 MHz Cortex-M33 + TrustZone: The STM32U575VGT6 delivers higher processing performance with hardware-enforced security isolation to protect critical code and data

786 KB Large SRAM: The STM32U575VGT6 significantly boosts data buffering and complex protocol stack capability beyond L4/L4+ series

USB + CAN FD + Ultra-Low Power: The STM32U575VGT6 features crystal-less USB and high-speed CAN FD, balancing communication flexibility with long battery life

OctoSPI High-Speed Expansion: With the STM32U575VGT6, you can easily connect external large-capacity Flash/RAM for code and data expansion

Integrated Op-Amp, DACs, Comparators, Capacitive Touch: The STM32U575VGT6 integrates rich analog and mixed-signal functionality, saving external components

83 I/Os in LQFP-100 Package: The STM32U575VGT6 offers rich pin resources for peripheral-intensive systems

Full Ecosystem Compatibility: The STM32U575VGT6 ensures easy development with STM32CubeIDE/CubeMX/HAL/LL libraries

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FAQ

1. What is STM32U575VGT6?
STM32U575VGT6 is an ultra-low-power 32-bit MCU from STMicroelectronics' STM32U5 series, based on the Arm® Cortex®-M33 core. The STM32U575VGT6 features Arm TrustZone® security technology, an integrated FPU (Floating-Point Unit), and DSP instructions, 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 STM32U575VGT6?

• Core: The STM32U575VGT6 uses Arm® Cortex®-M33, up to 160MHz, 240 DMIPS

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

• Operating Voltage: The STM32U575VGT6 operates from 1.71V ~ 3.6V

• Temperature Range: The STM32U575VGT6 covers -40°C to +85°C (industrial grade)

• I/O Count: The STM32U575VGT6 provides 82

• Package: The STM32U575VGT6 comes in LQFP-100 (14mm × 14mm)

3. What package does STM32U575VGT6 use?
The STM32U575VGT6 uses an LQFP-100 package, measuring 14mm × 14mm with 0.5mm pin pitch.

4. What applications is STM32U575VGT6 suitable for?
The STM32U575VGT6 is 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), embedded GUI display applications, and IoT nodes requiring TrustZone security isolation.

5. What development tools support STM32U575VGT6?
The STM32U575VGT6 is supported by ST's official STM32CubeMX (graphical configuration tool) and STM32CubeIDE (integrated development environment). It comes with the STM32CubeU5 firmware library (HAL/LL drivers). The STM32U575VGT6 supports TouchGFX graphics framework and Azure RTOS (ThreadX) real-time operating system. Debugging/programming for the STM32U575VGT6 is supported via ST-Link series, as well as third-party tools from PEmicro and others.

6. What is the operating temperature range and power consumption of STM32U575VGT6?

• Temperature Range: The STM32U575VGT6 operates from -40°C to +85°C (ambient temperature TA)

• Ultra-low-power modes:

  • Shutdown mode: 160 nA (24 wake-up pins) for the STM32U575VGT6

  • Standby mode: 210 nA (24 wake-up pins), 530 nA with RTC for the STM32U575VGT6

  • Stop 2 mode: 4.0 µA (16KB SRAM retained) / 8.95 µA (full SRAM retained) for the STM32U575VGT6

  • Run mode: 19.5 µA/MHz @ 3.3V for the STM32U575VGT6

7. What security features does STM32U575VGT6 support?
The STM32U575VGT6 supports Arm TrustZone® security isolation technology. It features AES-256 hardware encryption engine, True Random Number Generator (RNG) , and Public Key Accelerator (PKA) . The STM32U575VGT6's Flash supports ECC error correction, with Readout Protection (RDP) , Write Protection (WRP) , and Proprietary Code Readout Protection (PCROP) . The STM32U575VGT6 achieves ULPMark™-CM score: 51.5, SecureMark™-TLS score: 133,000.

8. What peripheral interfaces does STM32U575VGT6 support?
The STM32U575VGT6 offers rich communication and peripheral interfaces:

• Communication: The STM32U575VGT6 supports CAN FD, I2C, SPI, UART/USART, LPUART, I2S, SAI, USB OTG (Full Speed)

• Memory Interfaces: The STM32U575VGT6 features 2×Octo-SPI (supports external Flash/PSRAM/SRAM/NOR/NAND/FRAM), MMC/SD/SDIO

• Timers: The STM32U575VGT6 has 17 timers (including motor control PWM)

• Analog: The STM32U575VGT6 includes 12/14-bit ADC (20 channels), 12-bit DAC (2 channels)

• Others: The STM32U575VGT6 also supports SPDIF, SmartCard, IrDA, LINbus, etc.

9. What is the difference between STM32U575VGT6 and STM32U585?
Both are ultra-low-power Cortex-M33 MCUs from the STM32U5 series. The key difference is that STM32U585 integrates additional hardware cryptographic accelerators (with more advanced dedicated security features like AES, PKA, etc.), while the STM32U575VGT6 does not include these dedicated cryptographic accelerators. Both share the same core performance (160MHz Cortex-M33), memory capacity (1MB Flash / 786KB SRAM), and power characteristics. Choose STM32U585 for stronger hardware security encryption capabilities, or the STM32U575VGT6 for better cost-effectiveness.

10. What memory expansion options does STM32U575VGT6 support?
The STM32U575VGT6 supports 2 Octo-SPI memory interfaces for flexible external expansion with:

• NOR Flash (code execution / data storage)

• PSRAM (RAM expansion)

• SRAM, NAND Flash, FRAM, etc.
  This allows the STM32U575VGT6 to easily expand capacity via external memory in resource-constrained applications, meeting the needs of scenarios requiring larger code or data storage.