ST72561J9-AUTO datasheet(93/324 Pages) STMICROELECTRONICS

tên linh kiện	ST72561J9-Auto

Giải thích chi tiết về linh kiện	Clock, reset and supply management

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ST72561-Auto

PWM auto-reload timer (ART)

Doc ID 12370 Rev 8

93/324

PWM auto-reload timer (ART)

11.1

Introduction

The Pulse Width Modulated Auto-Reload Timer on-chip peripheral consists of an 8-bit auto-

reload counter with compare/capture capabilities and of a 7-bit prescaler clock source.

These resources allow five possible operating modes:

●

Generation of up to four independent PWM signals

●

Output compare and Time base interrupt

●

Up to two input capture functions

●

External event detector

●

Up to two external interrupt sources

The three first modes can be used together with a single counter frequency.

The timer can be used to wake up the MCU from WAIT and HALT modes.

Figure 39.

PWM auto-reload timer block diagram

OVF INTERRUPT

EXCL

CC2

CC1

CC0

TCE

FCRL

OIE

OVF

ARTCSR

fINPUT

PWMx

PORT

FUNCTION

ALTERNATE

OCRx

COMPARE

PROGRAMMABLE

PRESCALER

8-BIT COUNTER

(CAR REGISTER)

ARR

ICRx

LOAD

OPx

POLARITY

CONTROL

OEx

PWMCR

MUX

fCPU

DCRx

LOAD

fCOUNTER

ARTCLK

fEXT

ARTICx

ICFx

ICSx

ICCSR

LOAD

ICx INTERRUPT

ICIEx

INPUT CAPTURE

CONTROL

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