Core: ARM 32-bit Cortex™-M3 CPU24 MHz maximum frequency,1.25 DMIPS/MHz (Dhrystone 2.1) performanceSingle-cycle multiplication and hardware division
Memories16 to 128 Kbytes of Flash memory4 to 8 Kbytes of SRAM
Clock, reset and supply management2.0 to 3.6 V application supply and I/OsPOR, PDR and programmable voltage detector (PVD)4-to-24 MHz crystal oscillatorInternal 8 MHz factory-trimmed RCInternal 40 kHz RCPLL for CPU clock32 kHz oscillator for RTC with calibration
Low powerSleep, Stop and Standby modesVBAT supply for RTC and backup registers
Debug modeSerial wire debug (SWD) and JTAG interfaces
1 × 12-bit, 1.2 μs A/D converter (up to 16 channels)Conversion range: 0 to 3.6 VTemperature sensor
2 × 12-bit D/A converters
Up to 80 fast I/O ports37/51/80 I/Os, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant
Up to 12 timersUp to three 16-bit timers, each with up to 4 IC/OC/PWM or pulse counter16-bit, 6-channel advanced-control timer: up to 6 channels for PWM output, dead time generation and emergency stopOne 16-bit timer, with 2 IC/OC, 1 OCN/PWM, dead-time generation and emergency stopTwo 16-bit timers, each with IC/OC/OCN/PWM, dead-time generation and emergency stop2 watchdog timers (Independent and Window)SysTick timer: 24-bit downcounterTwo 16-bit basic timers to drive the DAC
Up to 8 communications interfacesUp to two I2C interfaces (SMBus/PMBus)Up to 3 USARTs (ISO 7816 interface, LIN, IrDA capability, modem control)Up to 2 SPIs (12 Mbit/s)Consumer electronics control (CEC) interface
