MCD221FU データシートの表示（PDF） - Motorola => Freescale

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MCD221FU

CD-Interface and Audio Processor(CIAP)

Motorola => Freescale 

APPLICATION EXAMPLES

CIAP/CD–DRIVE ARCHITECTURE

In conjunction with a suitable microcontroller, MC68HC05

(IKAT), the MCD221 provides the functionality to connect an

MC68xxx host processor to a CD–Drive. The MCD221 de-

codes both main and subchannel CD data and plays both

ADPCM and CDDA audio. External I2S format audio (e.g.,

MPEG1) may be input and mixed with the CIAP audio. CIAP

audio output can be in either I2S or Sony formats.

CD DRIVE

BIDIRECTIONAL CONTROL

INTERFACE

MC68HC05

(IKAT)

68xxx HOST INTERFACE

I2S MAIN CHANNEL DATA

SUBCHANNEL DATA

MCD221

CIAP

(CD INTERFACE

EXTERNAL AUDIO

PLUS AUDIO

AUDIO

SOURCE

EXTERNAL AUDIO IN

PROCESSOR)

OUT

DAC

L

(e.g., MCD270

I2S

R

MPEG DECODER)

MCD221

2–8

MOTOROLA

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