STM32F302xx STM32F303xx技术手册

shyinyang

ARM?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 operation

Datasheet ? preliminary data

Features

■ 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).

■ 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 on data bus with 

HW parity check

– 8 Kbytes of SRAM on instruction bus with HW 

parity check (CCM)

■ 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 

■ Calendar RTC

– Alarm, periodic wakeup from Stop/Standby

■ Reset and supply management

– Power-on/Power down reset (POR/PDR)

– Programmable voltage detector (PVD)

■ Low power Sleep, Stop, and Standby modes

■ VBAT

 supply for RTC and backup registers

■ Debug mode: serial wire debug (SWD), JTAG 

interfaces, Cortex-M4 ETM

■ DMA

– 12-channel DMA controller

– Peripherals supported: timers, ADCs, SPIs, 

I

2

Cs, USARTs and DACs

■ Up to 4 × ADC 0.20 ?S (up to 39 channels) with 

selectable resolution of 12/10/8/6 bits, 0 to 3.6 V 

conversion range, separate analog supply from 2 

to 3.6 V

■ Temperature sensor

■ 7 fast rail-to-rail analog comparators

■ Up to 2 x 12-bit DAC channels

■ Up to 4 operational amplifiers that can be used in 

PGA mode, all terminal accessible

         

■ Support for up to 24 capacitive sensing keys

■ Up to 87 fast I/O ports, all mappable on external 

interrupt vectors, several 5 V-tolerant

■ Up to 13 timers

– 1 x 32-bit timer and 2 x 16-bit timers with up 

to 4 IC/OC/PWM or pulse counter and 

quadrature (incremental) encoder input

– Up to 2 x 16-bit 6-channel advanced-control 

timers, with up to 6 PWM channels, deadtime 

generation and emergency stop

– 1 x 16-bit timer with 2 IC/OCs, 1 OCN/PWM, 

deadtime generation and emergency stop

– 2 x 16-bit timers with IC/OC/OCN/PWM, 

deadtime generation and emergency stop

– 2 x watchdog timers (independent, window)

– 1 x SysTick timer: 24-bit downcounter

– Up to 2 x 16-bit basic timers to drive the DAC

■ Communication interfaces

– CAN interface (2.0B Active)

– USB 2.0 full speed interface

– 2 x I2C with 20 mA current sink to support 

Fast mode plus

– Up to 5 USART/UARTs (ISO 7816 interface, 

LIN, IrDA, modem control)

– Up to 3 SPIs, 2 with muxed full-duplex I2S to 

achieve audio class accuracy via external 

PLL

■ CRC calculation unit, 96-bit unique ID

lvjing880907

STM32 F3 选型表 
STM32F302CB/  STM32F302CC/  STM32F302RB/  STM32F302RC/  STM32F302VB/  STM32F302VC/  STM32F303CB/STM32F303CC/  STM32F303RB/  STM32F303RC/  STM32F303VB/  STM32F303VC/
STM32F372C8/STM32F372CB/STM32F372CC/STM32F372R8/STM32F372RB/STM32F372RC/STM32F372V8/STM32F372VB/STM32F372VC/

STM32F373C8/STM32F373CB/STM32F373CC/STM32F373R8/STM32F373RB/STM32F373RC/STM32F373V8/STM32F373VB/STM32F373VC