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KDC-3025/325/5026/G
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No.
Pin Name
42
M RST
43
M-MUTE R
44
12EJE SW (SW2)
45
M-MUTE L
46
LX-CON
47
LO.S SW (SW1)
48
DSI
49
PANEL-DET
50
N.C
51
IFC OUT
52,53
N.C
54
N.C
55
AFS
56
SDA
57
SCL
58
MUTE
59
N.C
60
IC2 TYPE 0
61
IC2 TYPE 1
62
VCC
63
N.C
64
VSS
65~67
TYPE 0~TYPE 2
68
N.C
69
SVR
70
P-STBY
71
P-MUTE
72
SW5V
73
B.U-DET
74
ACC-DET
75
N.C
76~78
PS1-0~PS1-2
79,80
PS2-0~PS2-1
81
LX-MUTE
6
I/O
Application
O
RESET output to CD mechanism
I
MUTE request (Rch) from CD mechanism
I
12cm DISC detection input
I
MUTE request (Lch) from CD mechanism
O
External slave selection
I
LOADING SW detection input
O
EJECT key, DSI, guide ILLUMI output
I
Detection for panel or no panel
O
OPEN (Output L fixed)
I
F/E IFC OUT input
O
OPEN (Output L fixed) (Other than RDS model)
OPEN (Output L fixed)
O
Constant switch terminal at noise detection
I/O
Data input/output to IC2, CD mechanism
I/O
CLK output to IC2, CD mechanism
O
IC2 MUTE control
OPEN (Output L fixed)
Third party/genuine switching 0
I
(ROLL-OFF)
Third party/ genuine swithcing1
I
(NOISE-CANCEL)
Power supply input (5V)
O
OPEN (Output L fixed)
GND
I
Destination switching port
O
OPEN (Output L fixed)
O
Power IC SVR control
O
Power IC STBY control
O
Power IC MUTE control
I/O
SW5V control
I
Momentary power dropped detection input
I
Acc detection input
O
OPEN (Output L fixed)
O
Power supply IC control terminal
O
Power supply IC control terminal
I
MUTE request from external slave
Truth Value
Processing Operation Description
Table
Normal : H, When RESET : L
L : MUTE ON
L : 12cm disk
L : MUTE ON
ON : H, OFF : L
L : LOADING START
ILLUMI ON : L, ILLUMI OFF : H
H : Panel detect, L : Panel no detect
H : Station detect
During FM seek, AF search : L
When receiving : H
MUTE ON : H, MUTE OFF : L
L : Third party, H : Genuine
L : Third party, H : Genuine
e
Momentary power dropped : H
POWER IC ON : H, OFF : L
ALL OFF during : L
When POWER OFF : L, When ALL OFF : L
When TEL MUTE : L
ON : L, OFF : Hi-z
L : B.U detect, H : B.U no detect
L : Acc detect, H : Acc no detect
q
w
H : MUTE ON, L : MUTE OFF
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