STM8S105C4 datasheet(18/121 Pages) STMICROELECTRONICS

18 / 121 page

Product overview

STM8S105x4/6

18/121

DocID14771 Rev 15

The IWDG time base spans from 60 µs to 1 s.

4.8

Auto wakeup counter



Used for auto wakeup from active halt mode,



Clock source: Internal 128 kHz internal low frequency RC oscillator or external clock,



LSI clock can be internally connected to TIM1 input capture channel 1 for calibration.

4.9

Beeper

The beeper function outputs a signal on the BEEP pin for sound generation. The signal is in

the range of 1, 2 or 4 kHz.

The beeper output port is only available through the alternate function remap option bit

AFR7.

4.10

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



Four independent capture/compare channels (CAPCOM) configurable as input

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

pulse mode output



Synchronization module to control the timer with external signals



Break input to force the timer outputs into a defined state



Three complementary outputs with adjustable dead time



Encoder mode



Interrupt sources: 3 x input capture/output compare, 1 x overflow/update, 1 x break

4.11

TIM2, TIM3 - 16-bit general purpose timers



16-bit auto reload (AR) up-counter



15-bit prescaler adjustable to fixed power of 2 ratios 1…32768



Timers with 3 or 2 individually configurable capture/compare channels



PWM mode



Interrupt sources: 2 or 3 x input capture/output compare, 1 x overflow/update

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