Daewoo DTQ-20D5FSN Service Manual page 41

Pin Terminal Name
31 P70 / INT0 Sound Input
32 P71 / INT1 N.C
33 P72 / INT2 SD In
TO IN
34 P72 / INT3 Remocon In
TO IN
35 POO ST_By LED
36 P01 TV/VIDEO
37 P02 H.Out
38 P03 Sound Reset
39 P04 AKB
40 P05 Audio Mute
41 P06 Vudio White
42 P07 Power
Output form and existence of pull-up resistor for every port can be specified for each bit.
At port 1, "Programable pull-up reistor provided" when specifying either CMOS or N-ch open drain output.
Port status in reset.
Terminal I/O
Port 0 I
Port 1 I
All manuals and user guides at all-guides.com
Explanation
- 4-bit input/output port.
- Input or output can be specified for each bit.
- #31 : Only Cn-220, ITT(MSP)
Low : Front Mask/Mono, High : Back/stero
-Other function.
R F
INT0 E E
INT0 E E
INT0 E E
INT0 E E
-Interrupt receiver format, vector addesses
INTO input(HOLD release in input/Nch-Tr.output
P70
.
P71 INT1 input/HOLD release input.
P72 INT2 input/Timer 0 event input
P73 INT3 input(noise rejection filter attached/Timer
Notice -> R:Rising, F:falling, H:H level,
L:L level, V:Vector, E:Enable, D:Disable
-Use only Japan Model.
-This port uses when is Stand-by status.
-condition :Input AC Power On.
-Power off : ' High(D.C 5V)' Output(red)
-Power on : ' Low(D.C 0V)' Output.
-TV Mode:' high' LIne(Videl)Mode:' Low'
-Use to discharge High Voltage when TV set turns off.
-Sound IC Reset : ITT
-Use when control AKB(' High Beam:
' Hihg(5V)' Output)
-Use only ' read data' of ' LA76814/10.
-Use when TV set turns off.
-Use when dose power off/on.
-Power Off: Output ' Low(DC 0V),
-Power on : Output ' High(DC 5V)
Pull-up resistor status at selecting pull-up option
Pull-up resistor OFF, ON after reset release
Programmable pull-up resistor OFF.
7
R/F H L V
D E E 03H
D E E 0BH
E D D 13H
E D D 1BH
forwatchdog timer.
APPENDIX
IC DESCRIPTION
Remarks
-Only-Cn220