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STM32F303xB STM32F303xC--- 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
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 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
– 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
– Two watchdog timers (independent,
window)
– SysTick timer: 24-bit downcounter
– Two 16-bit basic timers to drive the DAC• Calendar RTC with Alarm, periodic wakeup
from Stop/Standby• 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
