STM32WB10CC datasheet(39/110 Pages) STMICROELECTRONICS

39 / 110 page

DS13259 Rev 2

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STM32WB10CC

Functional overview

dead-times. They can also be seen as complete general-purpose timers. The four

independent channels can be used for:



Input capture



Output compare



PWM generation (edge or center-aligned modes) with full modulation capability (0 to

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 TIMx timers (described in

Section 3.17.2) 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.

3.17.2

General-purpose timer (TIM2)

There is one synchronizable general-purpose timer embedded in the STM32WB10CC (see

Table 11), it can be used to generate PWM outputs, or act as a simple time base.



TIM2

–

Full-featured general-purpose timer

–

Features four independent channels for input capture/output compare, PWM or

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

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

–

The counter can be frozen in debug mode.

–

Independent DMA request generation, support of quadrature encoders.

3.17.3

Low-power timer (LPTIM1 and LPTIM2)

The device embeds two low-power timers, having an independent clock running in Stop

mode if they are clocked by LSE, LSIx or by an external clock. They are able to wakeup the

system from Stop mode.

LPTIM1 is active in Stop 0 and Stop 1 modes.

LPTIM2 is active in Stop 0 and Stop 1 modes.

The low-power timers support the following features:



16-bit up counter with 16-bit autoreload register



16-bit compare register



Configurable output: pulse, PWM



Continuous/ one shot mode



Selectable software/hardware input trigger



Selectable clock source

–

Internal clock sources: LSE, either LSI1 or LSI2, HSI16 or APB clock

–

External clock source over LPTIM input (working even with no internal clock

source running, used by pulse counter application)



Programmable digital glitch filter



Encoder mode (LPTIM1 only)

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