saa7825 NXP Semiconductors, saa7825 Datasheet - Page 46
saa7825
Manufacturer Part Number
saa7825
Description
Cd Audio Decoder, Digital Servo And Filterless Dac With Integrated Pre-amp And Laser Control
Manufacturer
NXP Semiconductors
Datasheet
1.SAA7825.pdf
(88 pages)
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Part Number
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Quantity
Price
Company:
Part Number:
saa7825H
Manufacturer:
PHILIPS
Quantity:
84
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Philips Semiconductors
Note
1. The initial column shows the Power-on reset state.
2003 Aug 13
D
(versatile pins
interface)
E
F
(subcode
interface and
shadow register
enable)
CD audio decoder, digital servo and filterless
DAC with integrated pre-amp and laser control
REGISTER
ADDRESS
1101
1110
1111
DATA
XXX0
XXX1
XX0X
XX1X
X0XX
X1XX
0XXX
1XXX
X0XX
X1XX
0XXX
1XXX
XX01
XX10
XX11
01XX
10XX
11XX
XX00
XX01
XX10
XX11
0000
4-line motor (using V4 and V5)
Q-to-W subcode at V4
V4 = 0
V4 = 1
de-emphasis signal at V5, no internal
de-emphasis filter
V5 = 0
V5 = 1
motor brakes to 12%
motor brakes to 6%
lock-to-disc mode disabled
lock-to-disc mode enabled
audio features disabled
audio features enabled
quad-speed mode disabled
quad-speed mode enabled
subcode interface off
subcode interface on
4-wire subcode
3-wire subcode
SHADEN bits = 00; shadow registers not
enabled; addresses will be decoded by main
decoder registers
SHADEN bits = 01; SAA732X shadow
registers (bank 1) enabled; all subsequent
addresses will be decoded by shadow
register (bank 1), not decoder registers
SHADEN bits = 10; new shadow registers
(bank 2) enabled; all subsequent addresses
will be decoded by shadow register (bank 2)
SHADEN bits = 11; new shadow registers
(bank 3) enabled; all subsequent addresses
will be decoded by shadow register (bank 3)
46
FUNCTION
Objective specification
SAA7825
INITIAL
reset
reset
reset
reset
reset
reset
reset
reset
reset
(1)
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