STM32G0 datasheet(29/135 Pages) STMICROELECTRONICS

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DS12232 Rev 4

29/135

STM32G071x8/xB

Functional overview

3.18.2

General-purpose timers (TIM2, 3, 14, 15, 16, 17)

There are six synchronizable general-purpose timers embedded in the device (refer to

Table 7 for comparison). Each general-purpose timer can be used to generate PWM outputs

or act as a simple timebase.

•

TIM2, TIM3

These are full-featured general-purpose timers:

–

TIM2 with 32-bit auto-reload up/downcounter and 16-bit prescaler

–

TIM3 with 16-bit auto-reload up/downcounter and 16-bit prescaler

They have four independent channels for input capture/output compare, PWM or one-

pulse mode output. They can operate together or in combination with other general-

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

can generate independent DMA request and support quadrature encoders. Their

counters can be frozen in debug mode.

•

TIM14

This timer is based on a 16-bit auto-reload upcounter and a 16-bit prescaler. It has one

channel for input capture/output compare, PWM output or one-pulse mode output. Its

counter can be frozen in debug mode.

•

TIM15, TIM16, TIM17

These are general-purpose timers featuring:

–

16-bit auto-reload upcounter and 16-bit prescaler

–

2 channels and 1 complementary channel for TIM15

–

1 channel and 1 complementary channel for TIM16 and TIM17

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

output. The timers can operate together via the Timer Link feature for synchronization

or event chaining. They can generate independent DMA request. Their counters can

be frozen in debug mode.

3.18.3

Basic timers (TIM6 and TIM7)

3.18.4

Low-power timers (LPTIM1 and LPTIM2)

These timers have an independent clock. When fed with LSE, LSI or external clock, they

keep running in Stop mode and they can wake up the system from it.

These timers are mainly used for triggering DAC conversions. They can also be used as

generic 16-bit timebases.

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