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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