ST STM32F303RB

STM32F303RB General Description

DescriptionThe STM32F302xB/STM32F302xC family is based on the high-performance ARM® Cortex®-M4 32-bit RISC core with FPU operating at a frequency of up to 72 MHz, and embedding a floating point unit (FPU), a memory protection unit (MPU) and an embedded trace macrocell (ETM). The family incorporates high-speed embedded memories (up to 256 Kbytes of Flash memory, up to 40 Kbytes of SRAM) and an extensive range of enhanced I/Os and peripherals connected to two APB buses.Features• Core: ARM® Cortex®-M4 32-bit CPU with FPU (72 MHz max), single-cycle multiplication and HW division, 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.• 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• Two ADCs 0.20 µS (up to 17 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• One 12-bit DAC channel with analog supply from 2.4 to 3.6 V• Four fast rail-to-rail analog comparators with analog supply from 2 to 3.6 V• Two 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 11 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    – One 16-bit 6-channel advanced-control timer, 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    – One 16-bit basic timer 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    – Up to five USART/UARTs (ISO 7816 interface, LIN, IrDA, modem control)    – Up to three SPIs, two with multiplexed half/full duplex I2S interface, 4 to 16 programmable bit frames    – USB 2.0 full speed interface    – Infrared transmitter• Serial wire debug, Cortex®-M4 with FPU ETM, JTAG• 96-bit unique ID