SAA7824 datasheet(47/89 Pages) PHILIPS

Part #	SAA7824

Description	CD audio decoder, digital servo and filterless DAC with integrated pre-amp and laser control (PhonIC)

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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47 / 89 page

2003 Oct 01

47

Philips Semiconductors

Product speciﬁcation

CD audio decoder, digital servo and ﬁlterless

DAC with integrated pre-amp and laser control

SAA7824

Note

1. The initial column shows the Power-on reset state.

D

(versatile pins

interface)

1101

0000

4-line motor (using V4 and V5)

−

XX01

Q-to-W subcode at V4

−

XX10

V4 = 0

−

XX11

V4 = 1

reset

01XX

de-emphasis signal at V5, no internal

de-emphasis ﬁlter

−

10XX

V5 = 0

−

11XX

V5 = 1

reset

E

1110

XXX0

motor brakes to 12%

reset

XXX1

motor brakes to 6%

−

XX0X

lock-to-disc mode disabled

reset

XX1X

lock-to-disc mode enabled

−

X0XX

audio features disabled

−

X1XX

audio features enabled

reset

0XXX

quad-speed mode disabled

reset

1XXX

quad-speed mode enabled

−

F

(subcode

interface and

shadow register

enable)

1111

X0XX

subcode interface off

reset

X1XX

subcode interface on

−

0XXX

4-wire subcode

reset

1XXX

3-wire subcode

−

XX00

SHADEN bits = 00; shadow registers not

enabled; addresses will be decoded by main

decoder registers

reset

XX01

SHADEN bits = 01; SAA732X shadow

registers (bank 1) enabled; all subsequent

addresses will be decoded by shadow

register (bank 1), not decoder registers

−

XX10

SHADEN bits = 10; new shadow registers

(bank 2) enabled; all subsequent addresses

will be decoded by shadow register (bank 2)

−

XX11

SHADEN bits = 11; new shadow registers

(bank 3) enabled; all subsequent addresses

will be decoded by shadow register (bank 3)

−

REGISTER

ADDRESS

DATA

FUNCTION

INITIAL(1)

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