Features
■ 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-Kbyte RAM retention – 88 µA/MHz in Run mode – 3.5 µs wakeup time (from RAM) – 5 µs wakeup time (from Flash memory)
■ Core: Arm® 32-bit Cortex®-M0+ with MPU – From 32 kHz up to 32 MHz max. – 0.95 DMIPS/MHz
■ Memories – Up to 64-Kbyte Flash memory with ECC – 8-Kbyte RAM – 2 Kbytes of data EEPROM with ECC – 20-byte backup register – Sector protection against R/W operation
■ Up to 51 fast I/Os (45 I/Os 5V tolerant)
■ 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 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
■ Rich Analog peripherals – 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 1.65 V)
■ 7-channel DMA controller, supporting ADC, SPI, I2C, USART, Timers
■ 7x peripheral communication interfaces – 2x USART (ISO 7816, IrDA), 1x UART (low power) – Up to 4x 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 ECOPACK2