Slide 1: STM32U3 ultra-low-power MCUs
STM32U3 ultra-low-power MCUs Extending battery life and protecting data in cost-sensitive industrial, medical, and consumer devices.
Slide 2: The STM32 portfolio
The STM32 portfolio Five product categories MCU Wireless MCU Ultra-low-power MCU Mainstream MCU High-performance MPU Embedded Wireless Ultra-low-power Mainstream High-performance Embedded MCU MCU MCU MCU MPU Short- and long-range connectivity 32-bit general-purpose microcontrollers: from 75 to 3,360
Slide 3: STM32U3 microcontroller series
STM32U3 microcontroller series Robust security to Versatile peripheral offering Industry-leading energy safeguard without compromising cost efficiency sensitive applications efficiency
Slide 4: Expanding the STM32 ultra-low-power family
Expanding the STM32 ultra-low-power family Memory size (Bytes) 8M C-M33 4M C-M33 C-M4 2M C-M4 1M STM32U5 STM32L4+ C-M33 512 K STM32U3 STM32L5 STM32L4 384 K C-M0+ 256 K C-M0+ 128 K STM32 U0 STM32L0 64 K 32 K 16 K 8K 233 377 447 500 285 370 464 ULPMark-CP 30 50 100 144 150 165 240 Dmips (32 MHz) (56 M
Slide 5: Enabling more efficient battery-powered devices
Enabling more efficient battery-powered devices First STM32 with near-threshold design • Significantly reduces dynamic consumption Greater power efficiency in run mode compared to Market-leading efficiency with 117 CoreMark/mW • Five times more efficient vs previous product generation previous produ
Slide 6: Smaller, more energy efficient devices
Smaller, more energy efficient devices A sustainable technology product expanding device battery lifetime. Activity tracking devices Gas and water metering devices Industrial GPS tracking devices 7x longer 4x smaller 2x more battery lifetime device size power efficient Versus STM32L4 MCU More about
Slide 7: Enhancing device longevity and making products more sustainable
Enhancing device longevity and making products more sustainable Industrial & smart home Medical Thermostats, smoke Insulin pumps, glucose detectors, heat cost meters allocators, door locks, asset trackers, sensors Smart metering Consumer Water, gas, electricity Activity trackers, GPS, e- meters, sma
Slide 8: Leveraging near-threshold technology to boost power efficiency
Leveraging near-threshold technology to boost power efficiency A key enabler to significantly reduce dynamic consumption • Operates transistors within an MCU below their traditional power supply voltage What is near-threshold level (1.20 to 0.9 V) technology? • STM32U3 core logic can operate at a mi
Slide 9: Optimizing power consumption with adaptive voltage scaling (AVS)
Optimizing power consumption with adaptive voltage scaling (AVS) The adaptive voltage scaling (AVS) technique adjusts the supply voltage to the minimum in test production Dynamic voltage adjustment for optimal performance AVS minimizes the core voltage, enabling significant power savings. A patented
Slide 10: Superior efficiency against industry references
Superior efficiency against industry references CoreMark/mW* STM32U3 benchmark per application area (the higher the better) (average ratio to STM32U3, the lower the better). Above 1 means higher consumption than STM32U3 117 ~ 5x Outperforms best-in-class industry 97 products ~ 3x The most power effi
Slide 11: Benchmarking superior energy efficiency against competition
Benchmarking superior energy efficiency against competition STM32U3 benchmark CoreMark/mW* (the higher the better) (ratio to STM32U3, the lower the better) Above 1 means higher consumption than STM32U3 STM32U3 117.4 6 Competitor A 97.1 5 Competitor B 53.8 4 Competitor C 28.8 3 2 Competitor D 27.8 1
Slide 12: STM32U3 ultra-low-power modes at 3.3 V
STM32U3 ultra-low-power modes at 3.3 V Shutdown 300 nA 5x Tamper detection, 22 I/Os, RTC, I3C reset pattern Standby 330 nA Wake-up sources: + BOR, IWDG Stop 3 + 8 Kbytes 1.6 µA Wake-up sources: + same as standby Stop 3 (full retention) 2.2µA Stop 2 + 8KB 3.8 µA Wake-up sources: + all I/Os, PVD, COMP
Slide 13: Robust security to safeguard sensitive and mission-critical applications
Robust security to safeguard sensitive and mission-critical applications More locked doors to ensure device security Enhanced device authentication and anticloning Side-channel resistant capabilities at a reduced cost hardware protection The coupling and chaining bridge (CCB) HAL • Key hardware prot
Slide 14: STM32U3 security overview
STM32U3 security overview Increasing security with digital identities Memory protections Cryptography Security services against illegal access control for hardware robustness Side channel AES, PKA OTP, HDP, WRP, RDP, MPU STM32Trust TEE TF-M Additional AES, SHA, TRNG, HUK Secure Debug (Hardware uniqu
Slide 15: Versatile peripheral offering without compromising cost efficiency
Versatile peripheral offering without compromising cost efficiency Built on 40 nm platform for enhanced performance Offering essential peripherals and memory capacity • I3C & FDCAN IP for fast connectivity • 256 Kbytes of RAM & 1 Mbyte of flash dual bank for flexible memory operations Enabling a sim
Slide 16: STM32U375/385 block diagram
STM32U375/385 block diagram Timers Connectivity Arm® Cortex® -M33 96 MHz FPU USB Host/Device 1x SD/SDIO/MMC, 3x SPI, MPU 3x I²C, 2 x I3C, CAN FD, TrustZone® 1 x octo-SPI, 16 timers including: 2 x 16-bit advanced motor ETM 4x USART + 1x ULP UART control timers 4 x ULP timers ART Accelerator 5 x 16-bi
Slide 17: Many options available to streamline costs
Many options available to streamline costs LQFP48 (7 × 7 mm) UFQFPN32 (5 x 5 mm) 100% pin to pin LQFP64 (10 × 10 mm) UFQFPN48 (7 x 7 mm) compatible with 9 different packages LQFP100 (14 × 14 mm) WLCSP52 (3.17 x 3.11 mm) STM32U5 per line UFBGA64 (5 × 5 mm) WLCSP68 (3.11 x 3.17 mm) (Except WLCSP) UFBG
Slide 18: STM32Cube framework
STM32Cube framework Tools and software supporting you during all your design steps Evaluation, Hardware and Code and hardware Run-time prototyping, software Application development and debug options application and selection configuration programming monitoring *$23.10 & & & Verticals and NUCLEO-U38
Slide 19: Releasing your creativity
Releasing your creativity /STM32 @ST_World community.st.com st.com/STM32U3 wiki.st.com/stm32mcu github.com/stm32-hotspot STM32 MCU Developer Zone
Slide 20: Find out more at www.st.com/STM32U3
Find out more at www.st.com/STM32U3 © STMicroelectronics - All rights reserved. ST logo is a trademark or a registered trademark of STMicroelectronics International NV or its affiliates in the EU and/or ot her countries. For additional information about ST trademarks, please refer to www.st.com/trad