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KDC-4080R/RV/RY/RYV
QQ
MICROCOMPUTER'S TERMINAL DESCRIPTION
3 7 63 1515 0
Terminal Description
Pin
Function
1
AV CONT
2
IC2 TYPE0
3
IC2 TYPE1
4
AVSS
5
M MUTEL
6
N.C
7
AVREF1
8
ILLUMI
9
L RES
10
PANEL
11
L DATAL
12
L DATAS
13
L CLK
14
N.C
15
N.C
16
CH-DATAC
17
CH-DATAH
18
CH-CLK
19
L CE
20
N.C
21
M RST
22
M STOP
23
MOSW
24
PLL SCL
TE
L 13942296513
25
AM+B
26
FM+B
27
M-SCL
28
DSI
29
LO/EJ
30
SW3
31
R DATA
32
R QUAL
33
VSS1
34
SD
35
IC2 SCL
36
M-SDA
37
PLL SDA
38
IC2 SDA
39
MUTE
40
N.C
41
AFC
42
CH-REQH
43
CH-CON
44
N.C
45
P MUTE
46
SVR
47
STBY
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48
P CON
49
P ANT
50
BEEP
51
ACC DET
52
BU DET
53
N.C
4
I/O
Description
O
A/D converter reference voltage control output
I
IC2 setting terminal
I
IC2 setting terminal
-
Ground connection terminal
I
Muting request from the MICOM. of CD mecha.
O
Not used
I
D/A converter reference voltage input
O
Illumination AVR ON/OFF control output
O
Reset output to the LCD driver IC
I
Panel open/close detection input
I
Data input from the LCD driver IC
O
Data output to the LCD driver IC
O
Clock output to the LCD driver IC
O
Not used
O
Not used
I
Data input from changers
O
Data output to changers
I/O
Clock input/output with changers
O
CE output to the LCD driver IC
O
Not used
O
Reset output to the MICOM. of CD mecha.
O
Stop request to the MICOM. of CD mecha.
O
CD mechanism loading motor control output
O
Clock output to the tuner pack
O
AM+B control
O
FM+B control
I/O
Clock input/output with the MICOM. of CD mecha.
O
DSI output
I/O
CD mecha.Loading/Eject switching output
I
Down & limit switch detection input
I
Data input from RDS decoder
I
Quality input from RDS decoder
-
Ground connection terminal
I
SD input from the tuner pack
O
Clock output to the E-VOL. IC
I/O
Data input/output with the MICOM. of CD mecha.
I/O
Data input/output with the tuner pack
I/O
Data input/output with the E-VOL. IC
O
Mute control output
O
Not used
O
AFC control output
O
Request output to changers
O
Changer control
O
Not used
O
Power IC mute control
O
Power lC reset terminal
O
Power IC standby control output
O
Power control
O
Antenna control
x
ao
O
BEEP sound output
y
I
ACC detection input
.
i
I
Momentary power down detection input
O
Not used
8
"Hi": ON / "Lo": OFF
"Lo": Initial value
"Lo": Initial value
connected to GND
"Lo": Mute request
"Hi": AVR ON
"Lo": Reset
"Lo": Panel closed
"Hi": Active
"Lo": Reset
"Lo": Stop
"Hi": Loading & Eject / "Lo": other
Q Q
3
6 7
1 3
"Hi": during AM reception
"Hi": during FM reception
"Hi": LED ON
"Lo": Loading / "Hi": Eject
"Hi": Chucking / "Lo": Pickup most inner position
connected to GND
"Hi": Station detected
"Hi": Mute ON / "Lo": Mute OFF
"Lo": during FM seek
"Lo": Request
"Lo": Standby / "Hi": ON
"Lo": Mute
When the momentary power down, after ACC
OFF/ON is detected and after POWER ON/
OFF, the output goes "Hi" temporarily.
"Hi": POWER ON mode
"Hi": POWER ON mode except ALL OFF mode
"Hi": during FM/AM reception
u163
"Hi": ACC OFF / "Lo": ACC ON
.
"Hi": When momentary power down detected
or BU OFF / "Lo": BU ON
2 9
9 4
2 8
Processing Operation
1 5
0 5
8
2 9
9 4
m
co
9 9
2 8
9 9
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