Features
■ Core: ARM 32-bit Cortex™-M3 CPU
– 72 MHz, 90 DMIPS with 1.25 DMIPS/MHz
– Single-cycle multiplication and hardware division
– Nested interrupt controller with 43 maskable interrupt channels
– Interrupt processing (down to 6 CPU cycles) with tail chaining
■ Memories
– 32-to-128 Kbytes of Flash memory
– 6-to-20 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 quartz oscillator
– Internal 8 MHz factory-trimmed RC
– Internal 32 kHz RC
– PLL for CPU clock
– Dedicated 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 (16-channel)
– Conversion range: 0 to 3.6 V
– Dual-sample and hold capability
– Synchronizable with advanced control timer
– Temperature sensor
■ DMA
– 7-channel DMA controller
– Peripherals supported: timers, ADC, SPIs, I2Cs and USARTs