Features
■ Core: ARM® 32-bit Cortex®-M4 CPU (72 MHz max), single-cycle multiplication and HW division, DSP instruction with FPU (floating- point unit) and MPU (memory protection unit)
■ 1.25 DMIPS/MHz (Dhrystone 2.1)
■ Memories – 256 Kbytes of Flash memory – 32 Kbytes of SRAM with HW parity check
■ CRC calculation unit
■ Reset and power management – Supply: VDD= 1.8 V ± 8%, VDDA= 1.65 - 3.6 V – External POR pin – Low power modes: Sleep and Stop
■ Clock management – 4 to 32 MHz crystal oscillator – 32 kHz oscillator for RTC with calibration – Internal 8 MHz RC with x16 PLL option – Internal 40 kHz oscillator
■ Up to 84 fast I/Os – All mappable on external interrupt vectors – Up to 45 I/Os with 5 V tolerant capability
■ 12-channel DMA controller
■ One 12-bit, 1.0 µs ADC (up to 16 channels) – Conversion range: 0 to 3.6 V – Separate analog supply from 2.4 up to 3.6
■ Up to three 16-bit Sigma Delta ADC – Separate analog supply from 2.2 to 3.6 V, up to 21 single/ 11 diff channels
■ Up to three 12-bit DAC channels – Separate analog supply from 2.2 to 3.6 V
■ Two fast rail-to-rail analog comparators with programmable input and output with analog supply from 1.65 to 3.6 V
■ Up to 24 capacitive sensing channels
■ 17 timers – Two 32-bit timers and three 16-bit timers with up to 4 IC/OC/PWM or pulse counters – Two 16-bit timers with up to 2 IC/OC/PWM or pulse counters – Four 16-bit timers with up to 1 IC/OC/PWM or pulse counter – Independent and system watchdog timers – SysTick timer: 24-bit down counter – Three 16-bit basic timers to drive the DAC
■ Calendar RTC with Alarm and periodic wakeup from Stop
■ Communication interfaces – CAN interface (2.0B Active) – Two I2Cs supporting Fast Mode Plus (1 Mbit/s) with 20 mA current sink, SMBus/PMBus, wakeup from STOP – Three USARTs supporting synchronous mode, modem control, ISO/IEC 7816, LIN, IrDA, auto baud rate, wakeup feature – Three SPIs (18 Mbit/s) with 4 to 16 programmable bit frames, muxed I2S – HDMI-CEC bus interface
■ Serial wire devices, JTAG, Cortex®-M4 ETM
■ 96-bit unique ID