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KDC-V7090R/Y
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin
Function
47
IC2TYPE1
48
CH-REQH
49
CH-RST
50
CH-MUTE
51
CH-CON
52
ILL-ON
53
M-MUTE L
54
M-MUTE R
55
BVdd
56
BVss
57
M-RST
58
M-STOP
59
N.C
60
LO/EJ
61
MOSW
62
N.C
63
CD-SW3
64
PAN-RESET
65
MC-REQ/PAN
66
N.C
67
N.C
68
N.C
69
N.C
70
AVCONT
71
Avdd
72
Avss
73
Avref
74
PHONE
75
SRM-SW3
76
SRM-SW1
77
SRM-SW2
78
SRM-DET
79
NOISE
80
S-METER
81
R-DATA
82
R-QUAL
83
IFC-OUT
84
N.C
85
N.C
86
SRM-B
87
R-CLK
88
CH-REQC
89
SC-REQ
90
CD-SW1
91
CD-SW2
92
SRM+B
93
BU-DET
94
CH-DATAC
95
CH-DATAH
96
CH-CLK
97
SC-DATA
98
MC-DATA
99
MC-CLK
100
PAN5V
4
I/O
Description
I
IC2 destination terminal
O
Request output to changer
O
Reset output to changer
I
Mute request from changer
O
Changer control output
O
FL, illumination output
I
Mute request from CD mechanism
I
Mute request from CD mechanism
-
+B terminal
-
GND terminal
O
Reset output to CD mechanism
O
Stop request to CD mechanism
O
Open (not used)
I/O
CD mechanism, LODING, EJECT selector
O
CD mechanism, MOTOR, SW
O
Open (not used)
I
CD down SW detection terminal
O
Reset output to panel microprocessor
I/O
REQ terminal/panel detection for panel microprocessor L: During panel use
O
Open (not used)
O
Open (not used)
O
Open (not used)
O
Open (not used)
O
AD reference voltage control output
-
+B terminal
-
GND terminal
I
Reference voltage supply terminal for A/D converter
I
PHONE detection terminal
I
Mask mechanism position detection input
I
Mask mechanism position detection input
I
Mask mechanism position detection input
I
Mask mechanism detection input
I
FM noise detection terminal
I
S meter detection terminal
I
RDS DECODER DATA input terminal
I
RDS DECODER QUAL input terminal
I
F/E IFC OUT input terminal
I
Open (not used)
I
Open (not used)
O
SRM mechanical submotor output terminal
I
RDS DECODER CLK input terminal
I
Input request from changer
I
Communication request from panel microprocessor
I
LOADING SW detection terminal
I
12cm disk detection switch terminal
O
SRM mechanical submotor output terminal
I
Momentary power down detection terminal
I
Data input terminal from changer
O
Data input terminal to changer
I/O
CLK I/O terminal used with changer
I
Data line from panel microprocessor
I/O
Data line to panel microprocessor
O
CLK terminal to panel microprocessor
O
Panel 5 volt control terminal
Processing Operation
L: During default
Normally L, after system RST reset is "H" for
400ms and then "L"
ON: H
OFF: L
ON: H
OFF: L
ON: H
OFF: L
ON: L
ON: L
Normally H,
L:During reset
Per mechanical control specs.
Stop: L
H: During CD
Stop, Brake: Hi-z, LOADING: L, EJECT: H
LOADING, EJECT, Brake: H
Chucking: H
Normally H, L: During reset, momentary power down
Same timing as P ON
H: During operation
Tel mute: Min 1 volt,
Navi mute: Max.2.5 volt
See 01mask mechanical position detection chart
See 01mask mechanical position detection chart
See 01mask mechanical position detection chart
L: Mechanism
H: No mechanism
Connect to GND: On models without RDS,
RBDS
Connect to GND: On models without RDS,
RBDS
L: When station present
Connect to GND
Connect to GND
Connect to GHD: On models without RDS,
RBDS
ON: L
LOADING start: L
12cm DISC: L
L: B.U
H: No B.U (momentary power down)
L: Panel
H: No panel
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