Features
■ 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 – < 8 µs wakeup time
■ 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 Kbytes Flash memory with ECC – Up to 16 Kbytes RAM – Up to 4 Kbytes 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 peripheral communication interfaces – 1x USB 2.0 (internal 48 MHz PLL) – 3x USARTs (ISO 7816, IrDA) – 2x SPIs 16 Mbit/s – 2x I2Cs (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