STM32G474PBY3XXX datasheet(37/236 Pages) STMICROELECTRONICS

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DS12288 Rev 5

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STM32G474xB STM32G474xC STM32G474xE

Functional overview

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

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

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

Many features are shared with the general-purpose TIMx timers (described in

Section 3.24.3) using the same architecture, so the advanced motor control timers can work

together with the TIMx timers via the Timer Link feature for synchronization or event

chaining.

3.24.3

General-purpose timers (TIM2, TIM3, TIM4, TIM5, TIM15, TIM16,

TIM17)

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

STM32G474xB/xC/xE devices (see Table 7 for differences). Each general-purpose timer

can be used to generate PWM outputs, or act as a simple time base.

•

TIM2, TIM3, TIM4 and TIM5

They are full-featured general-purpose timers:

–

TIM2 and TIM5 have a 32-bit auto-reload up/downcounter and 32-bit prescaler

–

TIM3 and TIM4 have 16-bit auto-reload up/downcounter and 16-bit prescaler.

These timers feature 4 independent channels for input capture/output compare, PWM

or one-pulse mode output. They can work together, or with the other general-purpose

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

The counters can be frozen in debug mode.

All have independent DMA request generation and support quadrature encoders.

•

TIM15, 16 and 17

They are general-purpose timers with mid-range features:

They have 16-bit auto-reload upcounters and 16-bit prescalers.

–

TIM15 has 2 channels and 1 complementary channel

–

TIM16 and TIM17 have 1 channel and 1 complementary channel

All channels can be used for input capture/output compare, PWM or one-pulse mode

output.

The timers can work together via the Timer Link feature for synchronization or event

chaining. The timers have independent DMA request generation.

The counters can be frozen in debug mode.

3.24.4

Basic timers (TIM6 and TIM7)

The basic timers are mainly used for DAC trigger generation. They can also be used as

generic 16-bit timebases.

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