STM32L433CB datasheet(45/225 Pages) STMICROELECTRONICS

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DS11449 Rev 5

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STM32L433xx

Functional overview

3.23.2

General-purpose timers (TIM2, TIM15, TIM16)

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

STM32L433xx (see Table 10 for differences). Each general-purpose timer can be used to

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

•

TIM2

It is a full-featured general-purpose timer:

TIM2 has a 32-bit auto-reload up/downcounter and 32-bit prescaler.

This timer features 4 independent channels for input capture/output compare, PWM or

one-pulse mode output. It can work with the other general-purpose timers via the Timer

Link feature for synchronization or event chaining.

The counter can be frozen in debug mode.

It has independent DMA request generation and support quadrature encoder.

•

TIM15 and 16

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 has 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.

3.23.3

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.

3.23.4

Low-power timer (LPTIM1 and LPTIM2)

The devices embed two low-power timers. These timers have an independent clock and are

running in Stop mode if they are clocked by LSE, LSI or an external clock. They are able to

wakeup the system from Stop mode.

LPTIM1 is active in Stop 0, Stop 1 and Stop 2 modes.

LPTIM2 is active in Stop 0 and Stop 1 mode.

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