STM32G070CB datasheet(23/93 Pages) STMICROELECTRONICS

23 / 93 page

DS12766 Rev 2

23/93

STM32G070CB/KB/RB

Functional overview

3.15.1

Advanced-control timer (TIM1)

The advanced-control timer can be seen as a three-phase PWM unit multiplexed on 6

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 output (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, so as to turn off any power switches driven by these outputs.

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

Section 3.15.2) using the same architecture, so the advanced-control timers can work

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

chaining.

3.15.2

General-purpose timers (TIM3, 14, 15, 16, 17)

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

Table 6 for comparison). Each general-purpose timer can be used to generate PWM outputs

or act as a simple timebase.



TIM3

This is a full-featured general-purpose timer with 16-bit auto-reload up/downcounter

and 16-bit prescaler.

It has four independent channels for input capture/output compare, PWM or one-pulse

mode output. It can operate in combination with other general-purpose timers via the

Timer Link feature for synchronization or event chaining. It can generate independent

Table 6. Timer feature comparison

Timer type

Timer

Counter

resolution

Counter

type

Maximum

operating

frequency

Prescaler

factor

DMA

request

generation

Capture/

compare

channels

Comple-

mentary

outputs

Advanced-

control

TIM1

16-bit

Up, down,

up/down

64 MHz

Integer from

1 to 216

Yes

General-

purpose

TIM3

16-bit

Up, down,

up/down

64 MHz

Integer from

1 to 216

Yes

TIM14

16-bit

64 MHz

Integer from

1 to 216

TIM15

16-bit

64 MHz

Integer from

1 to 216

Yes

TIM16

TIM17

16-bit

64 MHz

Integer from

1 to 216

Yes

Basic

TIM6

TIM7

16-bit

64 MHz

Integer from

1 to 216

Yes

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