76
DVP-CX995V
•
IC Pin Function Description
MB BOARD IC104 STE6317ATXXY (DVD INTERFACE)
Pin No.
Pin Name
I/O
Description
1
IREF
I
Connected to the ground
2
GNDAI
-
Ground terminal (analog system)
3
RFIN
I
RF path data input terminal (after AC coupling)
4
RFOUT
O
RF path data output terminal (before AC coupling)
5
VCC18
-
Power supply terminal (+1.8V) (analog system)
6
A
I
A signal input from the optical pick-up block
7
GNDMN
-
Ground terminal (analog system)
8
B
I
B signal input from the optical pick-up block
9
VCC33MN
-
Power supply terminal (+3.3V) (analog system)
10
REFD
O
Reference voltage output terminal (+2.1V) (for laser diode)
11
VCC18MN
-
Power supply terminal (+1.8V) (analog system)
12
D
I
D signal input from the optical pick-up block
13
VCC18IS
-
Power supply terminal (+1.8V) (analog system)
14
C
I
C signal input from the optical pick-up block
15
VCC33IS
-
Power supply terminal (+3.3V) (analog system)
16
GNDAIS
-
Ground terminal (analog system)
17
VCC33SD
-
Power supply terminal (+3.3V) (analog system)
18
VCC18SD
-
Power supply terminal (+1.8V) (analog system)
19
GNDSD
-
Ground terminal
20
F
I
F signal input from the optical pick-up block
21
E
I
E signal input from the optical pick-up block
22
VSHIELDIS
-
Ground terminal (analog system)
23
VCC18ADC
-
Power supply terminal (+1.8V) (analog system)
24
GNDADC
-
Ground terminal (analog system)
25
VSHIELDADC
-
Ground terminal (analog system)
26
VCC33ADC
-
Power supply terminal (+3.3V) (analog system)
27
GNDDAC
-
Ground terminal (analog system)
28
DISC
O
Sled motor drive signal output terminal
29
SLED
O
Sled motor drive signal output terminal
30
REFEXT
I
Connected to the ground
31
REFGND
-
Ground terminal
32
REF
O
Reference voltage output terminal (+2.7V) (for D/A converter)
33
FACT
O
Focus coil drive signal output terminal
34
TACT
O
Tracking coil drive signal output terminal
35
VCC18DAC
-
Power supply terminal (+1.8V) (analog system)
36
MUTE_SP
O
Muting on/off control signal output to the spindle motor driver "L": muting on
37
MUTE_DRV
O
Muting on/off control signal output to the focus/tracking coil driver and sled motor driver
"L": muting on
38, 39
FIN, RIN
O
Loading motor drive signal output terminal "L": motor off Not used
40
INSW
I
Disc tray close detection signal input terminal "L": Disc tray is closed
Fixed at "L" in this set
41
VSS
-
Ground terminal (digital system)
42
VDD33
-
Power supply terminal (+3.3V) (digital system)
43
DVD/CD
O
DVD/CD selection signal output to the optical pick-up block "L": CD, "H": DVD
44
SP
O
Spindle motor drive PWM signal output terminal
45
INLIM
I
Limit in detection signal input from the optical pick-up block
The optical pick-up is inner position when "H"