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 (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 38 fast I/Os (31 I/Os 5V tolerant)
■ Memories – Up to 32-Kbyte Flash with ECC – 8-Kbyte RAM – 1-Kbyte of data EEPROM with ECC – 20-byte backup register – Sector protection against R/W 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, IrDA), 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 ECOPACK®2