Características:

ARM 32-bit Cortex™-M3 CPU Core
– 72 MHz maximum frequency,
1.25 DMIPS/MHz (Dhrystone 2.1)
performance at 0 wait state memory
access
– Single-cycle multiplication and hardware
division
• Memories
– 16 or 32 Kbytes of Flash memory
– 6 or 10 Kbytes of SRAM
• Clock, reset and supply management
– 2.0 to 3.6 V application supply and I/Os
– POR, PDR, and programmable voltage
detector (PVD)
– 4-to-16 MHz crystal oscillator
– Internal 8 MHz factory-trimmed RC
– Internal 40 kHz RC
– PLL for CPU clock
– 32 kHz oscillator for RTC with calibration
• Low power
– Sleep, Stop and Standby modes
– VBAT supply for RTC and backup registers
• 2 x 12-bit, 1 µs A/D converters (up to 16
channels)
– Conversion range: 0 to 3.6 V
– Dual-sample and hold capability
– Temperature sensor
• DMA
– 7-channel DMA controller
– Peripherals supported: timers, ADC, SPIs,
I
2Cs and USARTs
• Up to 51 fast I/O ports
– 26/37/51 I/Os, all mappable on 16 external
interrupt vectors and almost all 5 V-tolerant