● Ultra-low-power platform
● 1.65 V to 3.6 V power supply
● -40 to 125 °C temperature range
● 0.27 μA Standby mode (2 wakeup pins)
● 0.4 μA Stop mode (16 wakeup lines)
● 0.8 μA Stop mode + RTC + 8 KB RAM retention
● 139 μA/MHz Run mode at 32 MHz
● 3.5 μs wakeup time (from RAM)
● 5 μs wakeup time (from Flash)
● Core: ARM® 32-bit Cortex®-M0+ with MPU
● 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 51 fast I/Os (45 I/Os 5V tolerant)
● Memories
● Up to 64 KB Flash with ECC
● 8 KB RAM
● 2 KB of data EEPROM with ECC
● 20-byte backup register
● Sector protection against R/W operation
● Rich Analog peripherals (down to 1.8 V)
● 12-bit ADC 1.14 Msps up to 16 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
● 7x peripherals communication interface
● 2x USART (ISO 7816, IrDA) 1x UART (low power)
● 2x SPI 16 Mbits/s
● 2x I2C (SMBus/PMBus)
● 9x 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, 1x 16-bit basic, and 2x watchdogs (independent/window)
● CRC calculation unit, 96-bit unique ID
● All packages are ECOPACK®2
