PCA84C923AP datasheet(2/36 Pages) PHILIPS

Part #	PCA84C923AP

Description	Microcontrollers for universal infrared remote transmitter applications

PDF	36 Pages

Scroll/Zoom	100%

Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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2 / 36 page

1997 Oct 22

Philips Semiconductors

Product speciﬁcation

Microcontrollers for universal infrared

remote transmitter applications

PCA84C922; PCA84C923

CONTENTS

FEATURES

GENERAL DESCRIPTION

ORDERING INFORMATION

BLOCK DIAGRAMS

PINNING INFORMATION

5.1

Pinning

5.2

Pin description

GENERAL OPERATION DESCRIPTION

6.1

System selection

6.2

Key scanning

6.3

Accessing command code

HARDWARE MODULATOR

7.1

ON-time Register

7.2

OFF-time Register

7.3

Pulse Timer

7.4

Pulse Counter

7.5

Hardware Modulator Control Register

(HMCTL)

7.6

Operation of the Hardware Modulator

CODING TABLE

8.1

Accessing the Coding Table

WATCHDOG TIMER (WDT)

PORT OPTIONS

INTERRUPTS

11.1

External keypad wake-up and T0/INT pin

interrupt

11.2

Hardware Modulator interrupt

11.3

Internal Timer/counter (T1) interrupt

DERIVATIVE REGISTERS

EMULATION

LIMITING VALUES

DC CHARACTERISTICS

AC CHARACTERISTICS

PACKAGE OUTLINES

SOLDERING

18.1

Introduction

18.2

SDIP

18.3

SO and VSO

DEFINITIONS

LIFE SUPPORT APPLICATIONS

PCA84C923AP Datasheet(PDF) 2 Page - NXP Semiconductors

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