KDC-232MR
5
Pin No.
Pin Name
I/O
Application
Truth Value
Processing/Operation/Description
Table
22
LX RST
O
Forced reset to slave unit
H: Reset, L: Normal
23
LX CON
O
Start-up request to slave unit
H: Slave unit ON, L: Slave unit OFF
24
LX REQ M
O
Communication request to the slave unit
25
AUD SDA
I/O
E-VOL and tuner I2C data input/output
26
AUD SCL
I/O
E-VOL and tuner I2C CLK output
27
PWIC STBY
O
Power IC STBY output
H: Power IC ON, L: Power IC OFF
28
VOL MUTE
O
E-VOL mute output
L: Mute OFF, Hi-Z: ON
29
PWIC MUTE
O
Power IC mute output
L: Power OFF, STANDBY, or TEL mute.
30
TUNER FANC OUT
O
Tuner block (in
µ
-com) check
L: E2P OK, H: NG
31
RESET2
O
Mute for reset
Output L
32
RDS DATA
I
RDS decoder data input
33
VSS1
-
34
RDS QUAL
I
RDS decoder QUAL input
35
ACC DET
I
ACC detection
L: ACC ON, H: ACC OFF
36
BU DET
I
Momentary power down detection
L: BU found,
H: BU not found (momentary power down)
37
PON
I/O
SW5V/SW14V control
L: ON, Hi-Z: OFF
38
PS2-2
O
Power Supply control output 2-2
e
Refer to the truth value table
39
PS2-1
O
Power Supply control output 2-1
e
Refer to the truth value table
40
PS1-1
O
Power Supply control output 1-1
e
Refer to the truth value table
41
PS1-2
O
Power Supply control output 1-2
e
Refer to the truth value table
42
PS1-3
O
Power Supply control output 1-3
e
Refer to the truth value table
43
NC
-
44
PON CD
I/O
Power supply control for MP3
L: ON, Hi-Z: OFF
45
CD MUTE
I
CD mute request
L: Mute request
46
CD MSTOP
O
CD mechanism
µ
-com stop
H: Mechanism
µ
-com in operation,
L: Mechanism
µ
-com stopped
47
CD LOE LIM SW
I
CD detection (chucking SW)
H: Loading completed, L: Disc not found
48
CD LOEJ
I/O
CD motor control
r
Refer to the truth value table
49
CD MOTOR
O
CD motor control
r
Refer to the truth value table
50
NC
-
51
CD MRST
O
CD mechanism
µ
-com reset
H: Normal, L: Reset
52
CD SCL
I/O
CD mechanism I2C clock output
53
CD DISC12 SW
I
12cm disc detection
54
CD LOS SW
I
CD loading detection
55
CD SDA
I/O
CD mechanism I2C clock input/output
56
OEM DISP CE
I/O
External display CE
External display
57
OEM DISP CLK
I/O
External display CLK
External display
58
OEM DISP DATA
I/O
External display DATA
External display
59
DSI
O
DSI control
H: DSI ON, L: DSI OFF
TDF DET=blink when H
60
RESET
-
61
NC
-
62
PON FL
O
VFD power supply ON
H: ON, L: OFF
L: When TDF DET is H, H: When TDF DET is L
MICROCOMPUTER’S TERMINAL DESCRIPTION
