STM32F303VC datasheet(23/133 Pages) STMICROELECTRONICS

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STM32F302xx/STM32F303xx

Functional overview

Doc ID 023353 Rev 5

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3.16

Timers and watchdogs

The STM32F302xx/STM32F303xx includes up to two advanced control timers, up to 6

general-purpose timers, two basic timers, two watchdog timers and a SysTick timer. The

table below compares the features of the advanced control, general purpose and basic

timers.

3.16.1

Advanced timers (TIM1, TIM8)

The advanced-control timers (TIM1 on all devices and TIM8 on

STM32F303xB/STM32F303xC devices) can each be seen as a three-phase PWM

multiplexed on 6 channels. They have complementary PWM outputs with programmable

inserted dead-times. They can also be seen as complete general-purpose timers. The 4

independent channels can be used for:

●

Input capture

●

Output compare

●

PWM generation (edge or center-aligned modes) with full modulation capability (0-

100%)

●

One-pulse mode output

Table 3.

Timer feature comparison

Timer type

Timer

Counter

resolution

Counter

type

Prescaler

factor

DMA

request

generation

Capture/

compare

Channels

Complementary

outputs

Advanced

TIM1,

TIM8

(on

STM32F303xB

/STM32F303x

C devices only)

16-bit

Up, Down,

Up/Down

Any integer

between 1

and 65536

Yes

General-

purpose

TIM2

32-bit

Up, Down,

Up/Down

Any integer

between 1

and 65536

Yes

General-

purpose

TIM3, TIM4

16-bit

Up, Down,

Up/Down

Any integer

between 1

and 65536

Yes

General-

purpose

TIM15

16-bit

Any integer

between 1

and 65536

Yes

General-

purpose

TIM16, TIM17

16-bit

Any integer

between 1

and 65536

Yes

Basic

TIM6,

TIM7

(on

STM32F303xB

/STM32F303x

C devices only)

16-bit

Any integer

between 1

and 65536

Yes

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