STM32L031F6P6

This is an ultra-low-power device based on an ARM 32-bit Cortex-M0+ core, featuring multiple low-power modes, a rich set of peripheral interfaces, and various package options.

Key features

• Ultra- low- power platform
• 1.65 V to 3.6 V power supply
• -40 to 125°C temperature range
• 0.23 μA Standby mode (2 wakeup pins)
• 0.35 μA Stop mode (16 wakeup lines)
• 0.6 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 10 ksps
• Core: ARM@ 32- bit Cortex@- M0+
• From 32 kHz up to 32 MHz max. 0.95 DMIPS/MHz
• Reset and supply management
• Ultra- safe, low- power BOR (downout 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 RW operation
• Rich Analog 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 1.65 V)
• 7- channel DMA controller, supporting ADC, SPI, I2C, USART, Timers
• 5x peripherals communication interface
• 1x USART (ISO 7816, IDA), 1x UART (low power)
• Up to 2 SPI interfaces, up to 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
• All packages are ECOPACK2