* 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
