Features
? Ultra-low-power platform
– 1.65 V to 3.6 V power supply
– -40°C to 105°C temperature range
– 0.28 μA Standby mode (3 wakeup pins)
– 1.11 μA Standby mode + RTC
– 0.44 μA Stop mode (16 wakeup lines)
– 1.38 μA Stop mode + RTC
– 10.9 μA Low-power Run mode
– 185 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 Kbytes Flash memory with ECC
– Up to 32 Kbytes RAM
– Up to 4 Kbytes of true EEPROM with ECC
– 80-byte backup registe
