ST7262 datasheet(42/132 Pages) STMICROELECTRONICS

Teilenummer	ST7262

Bauteilbeschribung	LOW SPEED USB 8-BIT MCU WITH 3 ENDPOINTS, FLASH OR ROM MEMORY, LVD, WDG, 10-BIT ADC, 2 TIMERS, SCI, SPI

PDF	132 Pages

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Hersteller	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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ST7262

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10.2 PWM AUTO-RELOAD TIMER (ART)

10.2.1 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 4 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 31. 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

(ARTCAR REGISTER)

ARTARR

ARTICRx

LOAD

OPx

POLARITY

CONTROL

OEx

PWMCR

MUX

fCPU

PWMDCRx

LOAD

fCOUNTER

ARTCLK

fEXT

ARTICx

ICFx

ICSx

ARTICCSR

LOAD

ICx INTERRUPT

ICIEx

INPUT CAPTURE

CONTROL

ST7262 Datenblatt(PDF) 42 Page - STMicroelectronics

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