KDC-1022/122P
4
Pin No.
Name
I/O
Description
Processing Operation
7AVREF1
8NC
Not used (connected to 9pin)
9
IC10-DATA
I/O
IC10, E2PROM data communication
3 non communication : H
10
IC10-CLK
O
IC10, E2PROM clock communication
3 non communication : H
11
L-DATAL
I
Data input from the LCD driver
Non communication : H, When panel detached : L
3 Pull down on X25 unit, Pull up on X16 unit
12
L-DATAS
O
Data output to the LCD driver
When panel detached, output L
13
L-CLK
O
Clock output to the LCD driver
When panel detached, output L
14
R-DATA
I
Data input from the RDS
Except RDS model : output L
15
R-QUAL
I
Quality input from the RDS
Except RDS model : output L
16
CH-DATAC
I
Data input from the changer (new 5L)
Except changer model : output L
17
CH-DATAH
O
Data output to the changer (new 5L)
When non communication, last data keeping
Except changer model : output L
18
CH-CLK
I/O
Clock input/output with the changer (new 5L)
Check the old and new
Except changer model : output L
19
CH-REQH
O
Request output to the changer (new 5L)
L : Requset
Except changer model : output L
20
NC
O
Not used (output L)
21
AFS
O
Noise detection time constant switching terminal
H : Normal, L : FM/AM seek and AF search
3 (When tuner SRC auto zero, L)
22~24
NC
O
Not used (output L)
25
CH-CONT
O
Changer control
H : Changer on, L : Changer off
Except changer model : output L
26
TYPE REF
O
5V lines output for destination setting
H : During destination reading
27
SD
I
Tuner SD input
H : Station detected
28
NC
O
Not used (output L)
29
TYPE2
I
Destination type selection terminal 2
Refer to destination type list.
30
TYPE1
I
Destination type selection terminal 1
Refer to destination type list.
31
TYPE0
I
Destination type selection terminal 0
Refer to destination type list.
32
TUNER-TYPE1
I
Destination available/genuine model rool off
H : genuine model 1, L : available model
33
Vss1
34
TUNER-TYPE0
I
Destination available/genuine model noise cancel
H : genuine model 0, L : available model
35
MUTE
O
Mute (E.Vol, Preset) control
H : mute on, L : mute off
Power off after that 15 second L
36
M-DATA
I/O
Data input/output with the CD mechanism
3 non communication : H
37
M-CLK
O
Clock output to the CD mechanism
3 non communication : H
38
ADJ
O
Tuner lines adjustment
When adjustment = H
PS1-0, 1=L
PS1-2, 2-0, 1=Hi-z
IC10-DATA, CLK=Hi-z
39
P-MUTE
O
Power IC mute control
H : mute off, L : mute on
Power off after that 15 second H
40
SVR
O
Power IC servo control
H : When momentary power down detected, L : Nomal
41
P-STBY
O
Power IC standby control
H : Power IC ON, L : Power IC OFF
42
SW5V
O
SW 5V control
H : SW5V OFF, L : SW5V ON
Power off after that 10 second H
43
B.U-DET
I
Back up detection terminal
H : power down, L : B.U. on
44
ACC-DET
I
ACC detection terminal
H : ACC OFF, L : ACC ON
MICROCOMPUTER'S TERMINAL DESCRIPTION
