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KDC-MP819/X659/Z838
8
Pin No.
Pin Name
I/O
Description
Processing Operation
74
AVDD
-
A/D converter positive power supply connection terminal Connected to BU 5V lines.
75
AVSS
-
A/D converter ground connection terminal
Connected to GND lines.
76
AVREF
I
A/D converter reference voltage input terminal
77
IFC OUT
I
F/E IFC OUT input terminal
Hi: Station detected (Vth=2.5V)
78
S METER
I
S-meter input from F/E
79
NOISE
I
FM noise detection input
80,81 NC
I
Not used(Pull down to GND lines)
82
CD SW2
I
12cm disc detection SW input
Lo: 12cm disc detected
83
M MUTE R
I
Mute request (R Ch.) from CD mechanism MI-COM. Lo: Mute request
84
M MUTE L
I
Mute request (L Ch.) from CD mechanism MI-COM. Lo: Mute request
85
CD SW3
I
Down & limit switch detection input
Hi: Chucking, Hi
→
Lo: Pickup most inner position
86
PANEL DET
I
Panel detection input
Lo: Panel attached, Hi: Panel detached
87
CH MUTE
I
Mute request from changers
Hi: Mute request
88
PHONE
I
PHONE detection input
1V or less: TEL MUTE, 2.5V or greater: NAVI MUTE
89
SC CON
O
Control output to the panel MI-COM.
Hi: Operation mode
90
SOURCE
I/O SOURCE key detection input
Not used(N.C.)
91
CD SW1
I
Loading SW detection input
Lo: Loading start
92
CD SW4
I/O 8cm disc detection SW input
Not used(N.C.)
93
R CLK
I
Clock input from the RDS decoder IC
Except RDS, RBDS model: Not used(pull down to
GND lines)
94
CH REQC
I
Communication request input from changers
Lo: Request
95
EJECT
I
EJECT key detection input
Lo: When EJECT key is pressed
96
SC REQ
I
Communication request input from the panel MI-COM. Hi: Request
97
CH DATAC
I
Data input from changers
98
CH DATAH
O
Data output to changers
99
CH CLK
I/O Clock input/output with changers
100
SC DATA
I
Data input from the panel MI-COM.
MICROCOMPUTER'S TERMINAL DESCRIPTION
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