STMicroelectronics STM32L031F6P7, 32bit ARM Cortex M0+ Microcontroller, STM32L0, 32MHz, 32 kB Flash, 20-Pin TSSOP

Ultra-low-power platform 1.65 V to 3.6 V power supply -40 to 125 °C temperature range 0.25 μA Standby mode (2 wakeup pins) 0.38 μA Stop mode (16 wakeup lines) 0.68 μA Stop mode + RTC + 8 KB RAM retention Down to 76 μA/MHz in Run mode 5 μs wakeup time (from Flash memory) 41 μA 12-bit ADC conversion (at 10ksps) Core: ARM® 32-bit Cortex®-M0+ From 32 kHz up to 32 MHz max. 0.95 DMIPS/MHz Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds Ultralow power POR/PDR Programmable voltage detector (PVD) Clock sources 1 to 25 MHz crystal oscillator 32 kHz oscillator for RTC with calibration High speed internal 16 MHz factory-trimmed RC (+/- 1%) Internal low-power 37 kHz RC Internal multispeed low-power 65 kHz to 4.2 MHz RC PLL for CPU clock Pre-programmed bootloader USART, SPI supported Development support Serial wire debug supported Up to 38 fast I/Os (31 I/Os 5V tolerant) Memories Up to 32 KB Flash with ECC 8 KB RAM 1 KB of data EEPROM with ECC 20-byte backup register Sector protection against R/W operation Rich Analogue peripherals 12-bit ADC 1.14 Msps up to 10 channels (down to 1.65 V) 2x ultra-low-power comparators (window mode and wake up capability, down to 1.8 V) 7-channel DMA controller, supporting ADC, SPI, I2C, USART, Timers 5x peripherals communication interface 1x USART (IrDA), 1x UART (low power) 1x SPI 16 Mbits/s 1x I2C (SMBus/PMBus) 8x timers: 1x 16-bit with up to 4 channels, 2x 16-bit with up to 2 channels, 1x 16-bit ultra-low-power timer, 1x SysTick, 1x RTC and 2x watchdogs (independent/window) CRC calculation unit, 96-bit unique ID