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Pin
Terminal
31
P70 / INT0
32
P71 / INT1
33
P72 / INT2
TO IN
34
P72 / INT3
TO IN
35
POO
36
P01
37
P02
38
P03
39
P04
40
P05
41
P06
42
P07
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
Name
Explanation
Sound Input
- 4-bit input/output port.
- Input or output can be specified for each bit.
N.C
- #31 : Only Cn-220, ITT(MSP)
SD In
Low : Front Mask/Mono, High : Back/stero
-Other function.
Remocon In
INT0
INT0
INT0
INT0
-Interrupt receiver format, vector addesses
P70
.
P71
P72
P73
Notice -> R:Rising, F:falling, H:H level,
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.
TV/VIDEO
-TV Mode:' high' LIne(Videl)Mode:' Low'
H.Out
-Use to discharge High Voltage when TV set turns off.
Sound Reset
-Sound IC Reset : ITT
AKB
-Use when control AKB(' High Beam:
' Hihg(5V)' Output)
Audio Mute
-Use only ' read data' of ' LA76814/10.
Vudio White
-Use when TV set turns off.
Power
-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.
R
F
R/F
E
E
D
E
E
E
D
E
E
E
E
D
E
E
E
D
INTO input(HOLD release in input/Nch-Tr.output
forwatchdog timer.
INT1 input/HOLD release input.
INT2 input/Timer 0 event input
INT3 input(noise rejection filter attached/Timer
L:L level, V:Vector, E:Enable, D:Disable
7
IC DESCRIPTION
H
L
V
E
03H
E
0BH
D
13H
D
1BH
APPENDIX
Remarks
-Only-Cn220
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