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