STM32F207VCT6 datasheet(33/184 Pages) STMICROELECTRONICS

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STM32F20xxx

Functional overview

183

3.20

Timers and watchdogs

The STM32F20x devices include two advanced-control timers, eight general-purpose

timers, two basic timers and two watchdog timers.

All timer counters can be frozen in debug mode.

Table 5 compares the features of the advanced-control, general-purpose and basic timers.

3.20.1

Advanced-control timers (TIM1, TIM8)

The advanced-control timers (TIM1, TIM8) can be seen as three-phase PWM generators

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

inserted dead times. They can also be considered as complete general-purpose timers.

Their 4 independent channels can be used for:

•

Input capture

•

Output compare

•

PWM generation (edge- or center-aligned modes)

•

One-pulse mode output

Table 5. Timer feature comparison

Timer type Timer

Counter

resolution

Counter

type

Prescaler

factor

DMA

request

generation

Capture/

compare

channels

Complementary

output

Max

interface

clock

Max

timer

clock

Advanced-

control

TIM1,

TIM8

16-bit

Up,

Down,

Up/down

Any integer

between 1

and 65536

Yes

MHz

120

MHz

General

purpose

TIM2,

TIM5

32-bit

Up,

Down,

Up/down

Any integer

between 1

and 65536

Yes

MHz

TIM3,

TIM4

16-bit

Up,

Down,

Up/down

Any integer

between 1

and 65536

Yes

MHz

Basic

TIM6,

TIM7

16-bit

Any integer

between 1

and 65536

Yes

MHz

General

purpose

TIM9

16-bit

Any integer

between 1

and 65536

MHz

120

MHz

TIM10,

TIM11

16-bit

Any integer

between 1

and 65536

MHz

120

MHz

TIM12

16-bit

Any integer

between 1

and 65536

MHz

TIM13,

TIM14

16-bit

Any integer

between 1

and 65536

MHz

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