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SAA7385 Datasheet(PDF) 25 Page - NXP Semiconductors

Part No. SAA7385
Description  Error correction and host interface IC for CD-ROM SEQUOIA
Download  64 Pages
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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SAA7385 Datasheet(HTML) 25 Page - NXP Semiconductors

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1996 Jun 19
25
Philips Semiconductors
Preliminary specification
Error correction and host interface IC for
CD-ROM (SEQUOIA)
SAA7385
Table 20 General logic control register: 0xF0B9; note 1
Note
1. Register 0xF0B9 controls the audio mixing and the LED.
Table 21 WTGCTL field description
Table 22 Drive switches register: 0xF0BA; note 1
Note
1. Register 0xF0BA is used for sensing the drive switches.
Table 23 RDSW field description
Table 24 Jumper status register: 0xF0C9; note 1
Note
1. The bit fields for the jumpers are explained in Table 25.
MNEMONIC
R/W
DATA BYTE
76
5
4
3
2
1
0
WTGCTL
W
−−
PWMSEL
LED
LA_MUTE RA_MUTE CHANNEL1 CHANNEL0
FIELD
LOGIC
DESCRIPTION
CHANNELS
00
mute
01
right data sent to both channels
10
left data sent to both channels
11
stereo
RA_MUTE
right channel digital mute
LA_MUTE
left channel digital mute
LED
active LOW control for the light emitting diode
PWMSEL
PWM is disconnected
MNEMONIC
R/W
DATA BYTE
7
6
5
4
321
0
RDSW
R
−−
PLAY
SKIPFWD SKIPBACK
EJECT
TRAYSW
FIELD
LOGIC
DESCRIPTION
TRAYSW
0
tray position in
1
tray position out
EJECT
user is requesting the drive tray to open (active LOW)
SKIPBACK
user is requesting a track skip backwards (active LOW)
SKIPFWD
user is requesting a track skip forwards (active LOW)
PLAY
user is requesting the drive to play (active LOW)
MNEMONIC
R/W
DATA BYTE
76543210
RDJMPRS
R
JUMPER7 to JUMPER0


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