6
KDC-W4044UA/W4044UAY/W4044UG/W4044UGY
KDC-W413UA/W413UAY/W4544U/W4644UY
●
SYSTEM
μ
-COM: IC1 on X34- (ELECTRIC UNIT)
Pin No.
Pin Name
I/O
Application
Truth Value
Table
Processing Operation Description
1
LX DATA M
I/O Data to slave unit
2
LX CLK
I/O LX-BUS clock
125kHz~65kHz
3~5
NC
-
Not used
Output L
fi
xed
6
REMO
I
Remote control signal input
Detects pulse width
7
NC
-
Not used
Output L
fi
xed
8
BYTE
I
Memory extension bus width setting
Connects to VSS
9
CNVSS
-
Connects to VSS. H: Possible to rewrite
fl
ash ROM
10
XCIN
-
32.768kHz
11
XCOUT
-
32.768kHz
12
RESET
-
L: Reset
13
XOUT
-
10.0MHz
14
VSS
-
15
XIN
-
10.0MHz
16
VCC1
-
17
NMI
I
Connects to VSS
18
PANEL DET
I
Panel communication detection
H: Panel detached, L: Panel attached
19,20
NC
-
Not used
Output L
fi
xed
21
ROMCOR DET
I
E2PROM writing request
H: E2PROM writing
22,23
NC
-
Not used
Output L
fi
xed
24
PON FL
O
Key illumination power supply control
ON: H, OFF: L
25
NC
-
Not used
Output L
fi
xed
26
PON PANEL
I/O Panel 5V control
ON: L
11 minutes after momentary power-down, panel
detached or ACC OFF: Hi-Z
27,28
NC
-
Not used
Output L
fi
xed
29
AUD SCL
I/O E-VOL clock input/output
30
AUD SDA
I/O E-VOL data input/output
31
VFD SYS DATA
O
VFD data output
The communication begins after 500ms after
VFD_BLK (34) goes Hi.
32
VFD PAN DATA
I
VFD data input
33
VFD CL
O
VFD clock output
125kHz
34
VFD BLK
O
VFD driver reset output
H: Reset cancelled, L: Reset
11 minutes after momentary power-down, panel
detached or ACC OFF: L
35
S SYS DATA
O
Bolero serial output
36
S SOC DATA
I
Bolero serial input
37
S SOC CLK
I
Bolero serial clock input
38
CD LOS SW
I
CD loading detection
39
CD LOE LIM SW
I
CD detection (Chucking SW)
H: Loading completed, L: No disc
40
CD LOEJ
I/O CD motor control
q
Refer to the truth value table
MICROCOMPUTER’S TERMINAL DESCRIPTION
