Core: ARM 32-bit Cortex™-M3 CPU – 36 MHz maximum frequency, 1.25 DMIPS/MHz (Dhrystone 2.1) performance at 0 wait state memory access – Single-cycle multiplication and hardware pision
Memories – 32 to 128 Kbytes of Flash memory – 6 to 16 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
Debug mode – Serial wire debug (SWD) and JTAG interfaces
1 × 12-bit, 1 μs A/D converter (up to 16 channels) – Conversion range: 0 to 3.6 V – Temperature sensor
Up to 80 fast I/O ports – 26/37/51/80 I/Os, all mappable on 16 external interrupt vectors, all 5 V-tolerant except for analog inputs
Up to 6 timers – Up to three 16-bit timers, each with up to 4 IC/OC/PWM or pulse counter – 2 watchdog timers (Independent and Window) – SysTick timer: 24-bit downcounter
Up to 7 communication interfaces – Up to 2 x I²C interfaces (SMBus/PMBus) – Up to 3 USARTs (ISO 7816 interface, LIN, IrDA capability, modem control) – Up to 2 SPIs (18 Mbit/s)
