Features
■ Ultra-low-power platform – 1.8 V to 3.6 V power supply – -40°C to 85°C temperature range – 0.3 µA Standby mode (2 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: 32-bit ARM® Cortex®-M3 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 – 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 supported
■ Up to 51 fast I/Os (42 I/Os 5V tolerant), all mappable on 16 external interrupt vectors
■ Memories – Up to 128 Kbytes of Flash memory with ECC – Up to 10 Kbytes of RAM – Up to 2 Kbytes of true EEPROM with ECC – 20-byte backup register
■ LCD Driver for up to 8x28 segments
■ Analog peripherals – 12-bit ADC 1 Msps up to 20 channels – 12-bit DAC 2 channels with output buffers – Two ultra-low-power comparators
■ Seven DMA controller channels
■ Eight communication interface peripherals – One USB 2.0 – Three USARTs (ISO 7816, IrDA) – Two SPIs (16 Mbit/s) – Two I2Cs (SMBus/PMBus)
■ Ten timers: – Six 16-bit timers with up to 4 IC/OC/PWM channels – Two 16-bit basic timers – Two watchdog timers (independent and window)
■ CRC calculation unit
■ All packages ECOPACK® 2 UFQFPN48 7 x 7 mm LQFP64 10 x 10 mm