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16 Terminal Function of ICs
16.1. IC401 (M38504M6201F) : System Control
Pin
Terminal
I/O
No.
Name
1
V
I
Power supply terminal
CC
2
VREF
I
Reference voltage input
3
AV
-
GND terminal
SS
4
MUTE
O
Muting control signal output
5
PWCONT
O
DVD module power control signal output
6
SYNC
I
Power failure detect signal input
7 C/SW SEL
O
Center/Sub woofer speaker select signal
output
8
BREQ
I
Serial communication signal to Sound
processor (Request signal input)
9
BCS
O
Serial communication signal to Sound
processor (Chip select signal output)
10
BCLK
O
Serial communication signal to Sound
processor (Clock signal output)
11
DATA O
O
Serial communication signal to Sound
processor (Data signal output)
12
DATA I
I
Serial communication signal to Sound
processor (Data signal input)
13
TRYCLS
O
Tray close signal output
14
TRYOPN
O
Tray open signal output
15
CNV
-
Connected to V
SS
16
TEST
I
Test mode signal input
17
E CS
-
EEPROM serial communication signal (Not
used)
18
RESET
I
Reset signal input
19
XIN
I
Oscillator connected terminal (8 MHz)
20
XOUT
O
Oscillator connected terminal (8 MHz)
21
V
-
GND terminal
SS
22
LED STB
O
LED drive signal output (strobe)
23 LED/ECLK
O
LED drive signal output (clock)
24 LED/EDAT
O
LED drive signal output (data)
A
25 LED CLR
O
LED drive signal output (clear)
26
PLG
O
Plunger control signal output
27
SW5
I
Bottom switch detect signal input
28
PSTN
I
Position sensor detect signal input
29
SW2
I
Disc tray position 2 detect signal input
30
SW1
I
Disc tray position 1 detect signal input
31
SW3
I
Disc tray open detect signal input
32
CCW
O
Motor drive control signal output (Forward
direction)
33
CW
O
Motor drive control signal output (Reverse
direction)
34
HALH
O
Motor drive control signal output (speed)
35 DVD CLK
I
Serial communication signal to DVD module
(Clock signal input)
36 DVD CMD
O
Serial communication signal to DVD module
(Command signal output)
37
DVD
I
Serial communication signal to DVD module
STAT
(Status signal input)
38 PLG VOLT
I
Plunger voltage unusual condition detect
signal input
39
SW4
I
Clump switch detect signal input
40
KEY2
I
Operation key signal input
41
KEY1
I
Operation key signal input
42
RGN CS
I
Area select signal input
Function
SS
63
SL-DV100
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