ARM®-based Cortex®-M4 32b MCU+FPU, up to 256KB Flash+ 48KB SRAM, 4 ADCs, 2 DAC ch., 7 comp, 4 PGA, timers, 2.0-3.6 V Datasheet - production data 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, VDDA voltage range: 2.0 V to 3.6 V • Memories – 128 to 256 Kbytes of Flash memory – Up to 40 Kbytes of SRAM, with HW parity check implemented on the first 16 Kbytes. – Routine booster: 8 Kbytes of SRAM on instruction and data bus, with HW parity check (CCM) • CRC calculation unit • Reset and supply management – Power-on/Power-down reset (POR/PDR) – Programmable voltage detector (PVD) – Low-power modes: Sleep, Stop and Standby – 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 87 fast I/Os – All mappable on external interrupt vectors – Several 5 V-tolerant • Interconnect matrix • 12-channel DMA controller • Four ADCs 0.20 μS (up to 39 channels) with selectable resolution of 12/10/8/6 bits, 0 to 3.6 V conversion range, single ended/differential input, separate analog supply from 2 to 3.6 V • 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 2 to 3.6 V • Four operational amplifiers that can be used in PGA mode, all terminals accessible with analog supply from 2.4 to 3.6 V • Up to 24 capacitive sensing channels suppor