STM32F302XD datasheet(25/168 Pages) STMICROELECTRONICS

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STM32F302xD STM32F302xE

Functional overview

Note:

TIM1/2/3/4/15/16/17 can have PLL as clock source, and therefore can be clocked at

144 MHz.

3.18.1

Advanced timers (TIM1)

The advanced-control timer (TIM1) can be seen as a three-phase PWM multiplexed on six

channels. It has complementary PWM outputs with programmable inserted dead-times. It

can also be seen as a complete general-purpose timer. The four 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

In debug mode, the advanced-control timer counter can be frozen and the PWM outputs

disabled to turn off any power switches driven by these outputs.

Many features are shared with those of the general-purpose TIM timer (described in

Section 3.18.2) using the same architecture, so the advanced-control timers can work

together with the TIM timers via the Timer Link feature for synchronization or event chaining.

3.18.2

General-purpose timers (TIM2, TIM3, TIM4, TIM15, TIM16, TIM17)

There are up to six synchronizable general-purpose timers embedded in the

STM32F302xD/E (see Table 5 for differences). Each general-purpose timer can be used to

generate PWM outputs, or act as a simple time base.

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

16-bit

Any integer

between 1

and 65536

Yes

Table 5. Timer feature comparison (continued)

Timer type

Timer

Counter

resolution

Counter

type

Prescaler

factor

DMA

request

generation

Capture/

compare

channels

Complementary

outputs

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