Microcomputer terminal function – Toshiba TW40F80 User Manual
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<< MICROCOMPUTER TERMINAL NAME AND OPERATION LOGIC >>
No. Terminal Name
Function
In/Out
Logic
Remarks
1
GND
0V
2
BAL
INPUT BALANCE
Out
PWM out
3
REM OUT
REMOTE CONTROL
Out
Remote control output
SIGNAL OUT
4
MUTE
SOUND MUTE OUT
Out
Sound mute output
5
SP MUTE
SPEAKER MUTE
Out
In muting = H
6
DEF POW
Out
7
POWER
POWER ON/OFF OUT
Out
Power control In ON = H
8
LED
POWER LED OUTPUT
Out
Power LED on-control
LED lighting = L
9
SS RST
STARSIGHT RESET
Out
Reset = L
0V
10
DVD CONT
DVD CONTROL
Out
DVD = L, Other = H
0V
11
SCL0
IIC BUS CLOCK OUT
Out
IIC bus clock output 0
12
SDA0
IIC BUS DATA IN/OUT
In/Out
IIC bus data input/output 0
13
SYNC VCD
H SYNC INPUT
In
Main picture H. sync signal input
14
PIP RST
PIP RESET
Out
Reset = L
15
AFT2 IN
In
Sub tuner AFT S-curve input
16
AFT1
UV MAIN S-CURVE
In
Main tuner AFT S-curve
SIGNAL
signal input
17
KEY A
LOCAL KEY INPUT
In
Local key detection: 0 to 5V
18
KEY B
LOCAL KEY INPUT
In
Local key detection: 0 to 5V
19
SGV
TEST SIGNAL OUT
Out
Test signal output In normal = L
0V
20
SGA
TEST AUDIO OUT
Out
Test audio output In normal = L
0V
21
VSS
POWER GROUNDING
—
0V: Gounding voltage
0V
22
CLK
CLOCK OSD
Out
At display on: Pulse
23
CS
CHIP SELECT
Out
At display on: Pulse
24
BUSY
BUSY OSD
In
At display on: Pulse
25
DATA
DATA OSD
Out
At display on: Pulse
26
OSD RESET
RESET OSD
Out
Reset = L
27
VSYNC
In
VSYNC
Pulse
28
OSC1
DISPLAY CLOCK
Out
4.5MHz
Pulse
29
OSC2
DISPLAY CLOCK
In
Pulse
30
TEST
TEST MODE
In
GND fixed
0V
31
XIN
SYSTEM CLOCK
In
System clock input
8MHz pulse
32
XOUT
SYSTEM CLOCK
Out
System clock output 8MHz
8MHz pulse
33
RESET
SYSTEM RESET
In
System reset input (In reset = L)
5V
34
EXT SP
EXTERNAL SPEAKER
In
EXTERNAL = L, INT = H
35
RMT IN
REMOTE CONTROL
In
In remote control pulse input = L
In reception of
SIGNAL INPUT
remote pulse
36
SYNC AV1
HSYNC INPUT
In
External H. sync signal input
Pulse
37
SCL1
IIC BUS CLOCK OUT
Out
IIC bus clock output 1
Pulse
38
SDA1
IIC BUS DATA IN/OUT
In/Out
IIC bus data input/output 1
Pulse
39
I
2
C STP
IIC BUS STOP
In
STOP = L
40
SS VD
STARSIGHT VD
In
VSYNC for Starsight
Pulse
41
ACP
NSYNC INPUT
In
AC pulse input
42
VDD
POWER
—
5V
5V