13.2 IC451 (C2BBFD000307) Mecha Control

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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
B_REQ
I
Serial transmission request signal input terminal
9
B_CS
O
Serial transmission chip select signal output terminal
10
B_CLK
O
Serial transmission clock signal output terminal
11
DATA O
O
Serial transmission data signal output terminal
12
DATA I
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
REST
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/E_CLK
-
Serial signal output terminal to EEPROM driver (not used, open)
24
LED/E_DTA
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)


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