● Core: ARM® Cortex®-M4 32-bit CPU with FPU (72 MHz max), single-cycle multiplication and HW division, 90 DMIPS (from CCM), DSP instruction and MPU (memory protection unit).
● Operating conditions:
● VDD: 1.8V +/- 8%
● VDDA voltage range: 1.65 to 3.6 V
● Memories
● 256 Kbytes of Flash memory
● Up to 40 Kbytes of SRAM, with HW parity check implemented on the first 16 Kbytes.
● Routine bootster: 8 Kbytes of SRAM on instruction and data bus, with HW parity check (CCM: Core Coupled Memory)
● CRC calculation unit
● Reset and supply management
● Low-power modes: Sleep, and Stop
● VBAT supply for RTC and backup registers
● Clock management
● 4 to 32 MHz crystal oscillator
● 32 kHz oscillator for RTC with calibration
● Internal 8 MHz RC with x 16 PLL option
● Internal 40 kHz oscillator
● Up to 86 fast I/Os
● All mappable on external interrupt vectors
● Several 5 V-tolerant
● Interconnect matrix
● 12-channel DMA controller
● Up to four ADC 0.20 μS (up to 38 channels) with selectable resolution of 12/10/8/6 bits, 0 to 3.6 V conversion range, separate analog supply from 1.8 to 3.6 V
● Up to two 12-bit DAC channels with analog supply from 2.4 to 3.6 V
● Seven fast rail-to-rail analog comparators with analog supply from 1.65 to 3.6 V
● Up to four operational amplifiers that can be used in PGA mode, all terminal accessible with analog supply from 2.4 to 3.6 V
● Up to 24 capacitive sensing channels supporting touchkey, linear and rotary touch sensors
● Up to 13 timers
● One 32-bit timer and two 16-bit timers with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input
● Up to two 16-bit 6-channel advanced-control timers, with up to 6 PWM channels, deadtime generation and emergency stop
● One 16-bit timer with 2 IC/OCs, 1 OCN/PWM, deadtime generation and emergency stop
● Two 16-bit timers with IC/OC/OCN/PWM, deadtime generation and emergency stop
● 2 watchdog timers (independent, window)
● SysTick timer: 24-bit downcounter
● Up to two 16-bit basic timers to drive the DAC
● Calendar RTC with Alarm, periodic wakeup from Stop
● Communication interfaces
● CAN interface (2.0B Active)
● Two I2C Fast mode plus (1 Mbit/s) with 20 mA current sink, SMBus/PMBus, wakeup from STOP
● Up to five USART/UARTs (ISO 7816 interface, LIN, IrDA, modem control)
● Up to three SPIs, two with multiplexed I2S interface, 4 to 16 programmable bit frames
● Infrared Transmitter
● Cortex®-M4 with FPU ETM, Serial wire debug, JTAG
● 96-bit unique ID
