Pin No.
|
Mark
|
I/O
|
Function
|
1
|
VCC
|
I
|
Power connection terminal
|
2
|
VREF
|
I
|
Standard voltage input terminal
|
3
|
AVSS
|
-
|
Standard voltage input terminal (connected to GND)
|
4
|
MUTE
|
O
|
Mute control output terminal
|
5
|
PWCONT
|
O
|
DVD module power control output terminal
|
6
|
SYNC
|
I
|
Power disruption detection signal input terminal
|
7
|
C/SWOUT
|
-
|
Not used, Open
|
8
|
BREQ
|
I
|
Serial transmission request signal input terminal
|
9
|
BCS
|
O
|
Serial transmission chip select signal output terminal
|
10
|
BCLK
|
O
|
Serial transmission clock signal output terminal
|
11
|
DATAO
|
O
|
Serial transmission data signal output terminal
|
12
|
DATAI
|
I
|
Serial transmission data signal output termianl
|
13
|
CLS
|
O
|
Tray close signal output terminal
|
14
|
OPN
|
O
|
Tray open signal output terminal
|
15
|
CNVSS
|
-
|
Power input terminal (connected toGND through resistor)
|
16
|
TEST
|
I
|
Test mode signal input terminal
|
17
|
ECS
|
-
|
Serial signal output terminal to EEPROM (not used, open)
|
18
|
/RESET
|
I
|
Reset signal input terminal
|
19
|
XIN
|
I
|
Crystal oscillator circuit input terminal (=8MHz)
|
20
|
XOUT
|
O
|
Crystal oscillator circuit output terminal (=8MHz)
|
21
|
VSS
|
-
|
Power input terminal (connected to GND)
|
22
|
LED STB
|
-
|
Serial signal output terminal to LED driver (not used, open)
|
23
|
LED/ECLK
|
-
|
Serial signal output terminal to EEPROM driver (not used, open)
|
24
|
LED/EDTA
|
I/O
|
Serial signal input/output terminal to LED driver (connected to GND through resistor)
|
25
|
LED CLR
|
_
|
Latch clear signal output terminal to LED driver (not used, open)
|
26
|
PLG
|
O
|
Plunger control signal output terminal
|
27
|
SW5
|
I
|
Bottom switch detection signal input terminal
|
28
|
PSTN
|
I
|
Position sensor detection signal input terminal
|
29
|
SW2
|
I
|
Tray position 2 detection switch input terminal
|
30
|
SW1
|
I
|
Tray position 1 detection switch input terminal
|
31
|
SW3
|
I
|
Tray open detection switch input terminal
|
32
|
CCW
|
O
|
Motor drive control signal output terminal (normal rotation)
|
33
|
CW
|
O
|
Motor drive control signal output terminal (reverse rotation)
|
34
|
HALH
|
O
|
Motor drive control signal output terminal (speed)
|
35
|
DVD CLK
|
I
|
Serial transmission clock signal input terminal to DVD module
|
36
|
DVD CMD
|
I
|
Serial transmission command signal input terminal to DVD module
|
37
|
DVD STAT
|
I
|
Serial transmission status signal input terminal to DVD module
|
38
|
SEL 5/1
|
I
|
Connected to GND through resistor
|
39
|
SW4
|
I
|
Clamp switch detection signal input terminal
|
40
|
KEY2
|
-
|
Operation key 2 signal input terminal (connected to GND)
|
41
|
KEY1
|
-
|
SOperation key 1 signal input terminal (connected to GND)
|
42
|
CSEL
|
I
|
Chip select signal input terminal (connected to GND through resistor)
|