SAA7370 查看數據表（PDF） - Philips Electronics

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产品描述 (功能)

生产厂家

SAA7370

Digital servo processor and Compact Disc decoder (CD7)

Philips Electronics 

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SUBCODE

PROCESSOR

output from

data slicer

DIGITAL PLL AND

DEMODULATOR

FIFO

ERROR

CORRECTOR

1

V4

0

0 : reg D = xx01

V4 SUBCODE

INTERFACE

CD GRAPHICS

INTERFACE

reg F

SBSY

SFSY

SUB

MICROCONTROLLER

INTERFACE

SDA

1 : reg A = xx0x

0 : reg A = xx1x

1

0

1 : reg 3 = xx10

(1fs mode)

0 : reg 3 ≠ xx10

FADE/MUTE/

INTERPOLATE

1

PHASE

DIGITAL

0

COMPENSATION

FILTER

reg 3

KILL

KILL

V3

reg C

DE-EMPHASIS

FILTER

EBU

INTERFACE

reg A

DOBM

1 : no pre-emphasis detected

OR reg D = 01xx (de-emphasis signal at V5)

0 : pre-emphasis detected

AND reg D ≠ 01xx

1

0

1

0

1

0

I2S-BUS

INTERFACE

SCLK

WCLK

DATA

EF

1 : reg 3 ≠ 101x

reg 3

0 : reg 3 = 101x

(CD-ROM modes)

MBG418

Fig.6 Simplified data flow of decoder functions.

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