KDC-5021/5021V,506
6
MICROCOMPUTER'S TERMINAL DESCRIPTION
PORT
PORT NAME
I/O
FUNCTION
OPERATING CONDITION
No.
50
N/F SW
O
Non-fader switch.
"H" : Rear. "L" : Front.
51
P MUTE
O
Power IC mute.
"L" : Power off, all off.
52
SVR
O
SVR control.
"H" : Discharging.
53
P STBY
O
Power IC stand-by control.
"H" : Power IC turns on.
54
ANT CONT
O
Antenna control.
"H" : Tuner or the traffic information turns on.
55
P CON
O
Power control.
"H" : Power turns on.
56
BU DET
I
Back-up detection.
"L" : Back-up effects.
57
ACC DET
I
ACC detection.
"L" : ACC effects.
58
DIMMER
I
Dimmer detection.
"L" : Dimmer turns off.
59
-
-
-
-
60
RESET
I
System u-com reset.
"L" : Reset.
61
EJECT
I
Eject key.
"L" : Key turns on.
62
CH REQ C
I
Request from the changer.
"L" : Requesting.
63
R CLK
I
RDS clock.
"L" : Model without RDS.
64
KEY REQ
I
Panel key interruption.
"L" : Key requesting.
65
12cm DISC
I
12cm DISC detection switch.
"L" : 12cm disc exists.
66
LOAD SW
I
Loading switch detection.
"L" : Loading starts.
67
VSS
-
GND.
-
68
VDD
-
VDD.
-
69
X2
-
Main clock.
Oscillates during turning power on.
70
X1
I
mail clock.
-
71
TEST
I
Program power supply.
-
72
XT2
-
Sub clock.
-
73
XT1
I
Sub clock.
-
74
VDD
-
VDD.
-
75
AVDD
-
Analogue VDD.
-
76
S METER
I
Tuner S-meter voltage.
-
77
NOISE
I
Noise detection.
-
78
PHONE
I
Phone detection.
TEL MUTE : Below 1V. NAVI MUTE : Over 2.5V.
79
IFC
I
IFC.
"H" : Station signal exists.
80
TYPE 2
I
Destination switch.
-
(X25-) IC1 : u-COM
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TEL 13942296513 QQ 376315150 892498299
