Daewoo DTQ - 20D5FS, Руководство по обслуживанию, Страница: 38 / 48

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Pin Terminal Name Explanation Remarks
31 P70 / INT0 Sound Input - 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.
-Interrupt receiver format, vector addesses
.
Notice -> R:Rising, F:falling, H:H level,
L:L level, V:Vector, E:Enable, D:Disable
32 P71 / INT1 N.C
33 P72 / INT2
TO IN SD In
34 P72 / INT3
TO IN Remocon In
35 POO ST_By LED -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.
36 P01 TV/VIDEO -TV Mode:’high’ LIne(Videl)Mode:’Low’
37 P02 H.Out -Use to discharge High Voltage when TV set turns off.
38 P03 Sound Reset -Sound IC Reset : ITT -Only-Cn220
39 P04 AKB -Use when control AKB(’High Beam:
’Hihg(5V)’Output)
40 P05 Audio Mute -Use only ’read data’ of ’LA76814/10.
41 P06 Vudio White -Use when TV set turns off.
42 P07 Power -Use when dose power off/on.
-Power Off: Output ’Low(DC 0V),
-Power on : Output ’High(DC 5V)
IC DESCRIPTION
APPENDIX
R F R/F H L V
INT0 E E D E E 03H
INT0 E E D E E 0BH
INT0 E E E D D 13H
INT0 E E E D D 1BH
P70
INTO input(HOLD release in input/Nch-Tr.output
forwatchdog timer.
P71 INT1 input/HOLD release input.
P72 INT2 input/Timer 0 event input
P73 INT3 input(noise rejection filter attached/Timer
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 Pull-up resistor status at selecting pull-up option
Port 0 I Pull-up resistor OFF, ON after reset release
Port 1 I Programmable pull-up resistor OFF.