SAA7385GP Philips Semiconductors, SAA7385GP Datasheet - Page 25

• Manufacturer Part Number: SAA7385GP
• Description: Error correction and host interface IC for CD-ROM SEQUOIA
• Manufacturer: Philips Semiconductors

Philips Semiconductors
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.
1996 Jun 19
CHANNELS
RA_MUTE
LA_MUTE
LED
PWMSEL
TRAYSW
EJECT
SKIPBACK
SKIPFWD
PLAY
MNEMONIC
MNEMONIC
MNEMONIC
RDJMPRS
Error correction and host interface IC for
CD-ROM (SEQUOIA)
WTGCTL
RDSW
FIELD
FIELD
R/W
R/W
R/W
LOGIC
LOGIC
W
R
R
00
01
10
11
0
1
mute
right data sent to both channels
left data sent to both channels
stereo
right channel digital mute
left channel digital mute
active LOW control for the light emitting diode
PWM is disconnected
tray position in
tray position out
user is requesting the drive tray to open (active LOW)
user is requesting a track skip backwards (active LOW)
user is requesting a track skip forwards (active LOW)
user is requesting the drive to play (active LOW)
7
7
7
6
6
6
PWMSEL
5
5
5
LED
25
JUMPER7 to JUMPER0
4
PLAY
4
4
DATA BYTE
DESCRIPTION
DATA BYTE
DESCRIPTION
DATA BYTE
LA_MUTE RA_MUTE CHANNEL1 CHANNEL0
SKIPFWD SKIPBACK
3
3
3
2
2
2
Preliminary specification
EJECT
1
1
1
SAA7385
TRAYSW
0
0
0