SAA7824 datasheet(44/89 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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44 / 89 page

2003 Oct 01

44

Philips Semiconductors

Product speciﬁcation

CD audio decoder, digital servo and ﬁlterless

DAC with integrated pre-amp and laser control

SAA7824

Table 15 Shadow register accessibility

7.17.4

SUMMARY OF FUNCTIONS CONTROLLED BY DECODER REGISTERS 0 TO F

Table 16 Registers 0 to F

SHADEN2

SHADEN1

FUNCTION

INITIAL

0

access decoder registers 0 to F

reset

0

1

access SAA732X shadow registers (bank 1)

−

1

0

access new shadow registers (bank 2)

−

1

access new shadow registers (bank 3)

−

REGISTER

ADDRESS

DATA

FUNCTION

INITIAL(1)

0

(Fade and

attenuation)

0000

X000

mute

reset

X010

attenuate

−

X001

full-scale

−

X100

step-down

−

X101

step-up

−

0

EBU mute (for

M1 version

only)

0XXX

EBU mute inactive

reset

1XXX

EBU mute active

−

1

(Motor mode)

0001

X000

motor off mode

reset

X001

motor stop mode 1

−

X010

motor stop mode 2

−

X011

motor start mode 1

−

X100

motor start mode 2

−

X101

motor jump mode

−

X111

motor play mode

−

X110

motor jump mode 1

−

1XXX

anti-windup active

−

0XXX

anti-windup off

reset

2

(Status control)

0010

0000

status = SUBQREADY-I

reset

0001

status = MOTSTART1

−

0010

status = MOTSTART2

−

0011

status = MOTSTOP

−

0100

status = PLL lock

−

0101

status = V1

−

0110

status = V2

−

0111

status = MOTOR-OV

−

unavailable via

the I2C-bus or

3-wire mode

1000

status = FIFO overﬂow

−

1001

status = shock detect

−

1010

status = latched shock detect

−

1011

status = latched shock detect reset

−

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