STM32U031G6 Datasheet, STMicroelectronics

Includes ST state-of-the-art patented technology. Ultra-low-power features (ultra-low-power devices)
* 1.71 V to 3.6 V power supply
* -40 °C to 85/125 °C temperat.

functional overview, pin assignment and definition, electrical characteristics, packaging and ordering information. It must be read in conjunction with the STM32U031x4/6/8 reference manual (RM0503). For information on the device errata with respect .