? 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 factorytrimmed 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