Features
■ 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, I2Cs 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
■ Debug mode – Serial wire debug (SWD) & JTAG interfaces
■ 6 timers – Two 16-bit timers, each with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input – 16-bit, motor control PWM timer with dead- time generation and emergency stop – 2 watchdog timers (Independent and Window) – SysTick timer 24-bit downcounter
■ 6 communication interfaces – 1 x I2C interface (SMBus/PMBus) – 2 × USARTs (ISO 7816 interface, LIN, IrDA capability, modem control) – 1 × SPI (18 Mbit/s) – CAN interface (2.0B Active) – USB 2.0 full-speed interface
■ CRC calculation unit, 96-bit unique ID