MCD221FU 데이터 시트보기 (PDF) - Motorola => Freescale

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MCD221FU

CD-Interface and Audio Processor(CIAP)

Motorola => Freescale 

MOTOROLA

SEMICONDUCTOR TECHNICAL DATA

Technical Summary

CDćInterface and Audio

Processor (CIAP)

This technical summary provides a brief description of the MCD221

CD–Interface and Audio Processor. A complete data sheet for the MCD221 is

available and can be ordered from your local Motorola sales office. The order

number is MCD221/D.

The MCD221 has two main functions. The first is to form an interface

between a CD drive unit and a CD–i or Photo–CD player. The connection to the

drive is designed for both applications and can be either a Digital Out (EBU

standard) interface, or an I2S plus subcode interface. The host interface can be

either a 68000 interface for CD–i players, or a serial (SPI) interface for

Photo–CD.

The second function of the MCD221 is to decode ADPCM (CD–i base case)

audio, to perform audio mixing functions as specified in the Green Book, and to

be able to add external audio to the base case audio. The MCD221 can also be

used for handling the ADPCM decoding for Photo–CD.

The main features of the MCD221 are as follows:

• Accepts Audio Inputs in I2S Format (MPEG1) for Mixing with CIAP Internal

Audio

• Output Can Be Either I2S or SONY Format

• Data Input Rate Can Be Up to 2 Times Normal Speed

• Can Connect to a Host via Either a 68K or Serial Interface

• 80–Pin Quad Flat Pack (QFP)

Order this document

by MCD221TS/D

MCD221

FU SUFFIX

QFP PACKAGE

CASE 841B–01

ORDERING INFORMATION

MCD221FU QFP

NOTE: Supply of this Video–CD IC does not convey an implied license under any patent right to use this IC in any Video–CD application.

CD–i is a registered trademark of Philips Consumer Electronics.

M© OMoTtoOroRla,OInLc.A1995

REV 0

2/95

MCD221

2–1

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