Features
■ 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