● Ultra-low-power platform
● 1.65 V to 3.6 V power supply
● -40°C to 85°C/105°C temperature range
● 0.3 μA Standby mode (3 wakeup pins)
● 0.9 μA Standby mode + RTC
● 0.57 μA Stop mode (16 wakeup lines)
● 1.2 μA Stop mode + RTC
● 9 μA Low-power run mode
● 214 μA/MHz Run mode
● 10 nA ultra-low I/O leakage
● Core: ARM® Cortex® -M3 32-bit CPU
● From 32 kHz up to 32 MHz max
● 1.25 DMIPS/MHz (Dhrystone 2.1)
● Memory protection unit
● Reset and supply management
● Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds
● Ultra-low-power POR/PDR
● Programmable voltage detector (PVD)
● Clock sources
● 1 to 24 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
● PLL for CPU clock and USB (48 MHz)
● Pre-programmed bootloader
● USART supported
● Development support
● Serial wire debug supported
● JTAG and trace supported
● Up to 83 fast I/Os (73 I/Os 5V tolerant), all mappable on 16 external interrupt vectors
● Memories
● Up to 128 KB Flash with ECC
● Up to 16 KB RAM
● Up to 4 KB of true EEPROM with ECC
● 80 Byte backup register
● LCD Driver (except STM32L151x/6/8/B devices) for up to 8x40 segments
● Support contrast adjustment
● Support blinking mode
● Step-up converter on board
● Rich analog peripherals (down to 1.8 V)
● 12-bit ADC 1 Msps up to 24 channels
● 12-bit DAC 2 channels with output buffers
● 2x ultra-low-power-comparators(window mode and wake up capability)
● DMA controller 7x channels
● 8x peripherals communication interface
● 1x USB 2.0 (internal 48 MHz PLL)
● 3x USART (ISO 7816, IrDA)
● 2x SPI 16 Mbits/s
● 2x I2C (SMBus/PMBus)
● 10x timers: 6x 16-bit with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, 2x watchdog timers (independent and window)
● Up to 20 capacitive sensing channels supporting touchkey, linear and rotary touch sensors
● CRC calculation unit, 96-bit unique ID
