STM8L151C4 datasheet(22/142 Pages) STMICROELECTRONICS

22 / 142 page

Functional overview

STM8L151x4/6, STM8L152x4/6

22/142

DocID15962 Rev 15

and STM8L152x4/6 devices, the acquisition sequence is managed by software and it

involves analog I/O groups and the routing interface.

Reliable touch sensing solutions can be quickly and easily implemented using the free

STM8 Touch Sensing Library.

3.14

Timers

Medium-density STM8L151x4/6 and STM8L152x4/6devices contain one advanced control

timer (TIM1), two 16-bit general purpose timers (TIM2 and TIM3) and one 8-bit basic timer

(TIM4).

All the timers can be served by DMA1.

Table 3 compares the features of the advanced control, general-purpose and basic timers.

3.14.1

TIM1 - 16-bit advanced control timer

This is a high-end timer designed for a wide range of control applications. With its

complementary outputs, dead-time control and center-aligned PWM capability, the field of

applications is extended to motor control, lighting and half-bridge driver.

•

16-bit up, down and up/down autoreload counter with 16-bit prescaler

•

3 independent capture/compare channels (CAPCOM) configurable as input capture,

output compare, PWM generation (edge and center aligned mode) and single pulse

mode output

•

1 additional capture/compare channel which is not connected to an external I/O

•

Synchronization module to control the timer with external signals

•

Break input to force timer outputs into a defined state

•

3 complementary outputs with adjustable dead time

•

Encoder mode

•

Interrupt capability on various events (capture, compare, overflow, break, trigger)

Table 3. Timer feature comparison

Timer

Counter

resolution

Counter

type

Prescaler factor

DMA1

request

generation

Capture/compare

channels

Complementary

outputs

TIM1

16-bit

up/down

Any integer

from 1 to 65536

Yes

3 + 1

TIM2

Any power of 2

from 1 to 128

None

TIM3

TIM4

8-bit

Any power of 2

from 1 to 32768

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