12
KDC-BT7539U/BT8041U
/BT8141UY/BT838U
●
PANEL
μ
-COM: 30624MWPB81GP/30626MJPA23GP (X16-638: IC1)
Pin No.
Pin Name
I/O
Application
Truth
value table
Processing Operation Description
1
REMO
I
Remote control signal input
Pulse width detection
2
NC
-
Not used
Output L
fi
xed
3
FL SI1
O
FL display serial data output
Pulse output
4
NC
-
Not used
Output L
fi
xed
5
FL CLK
O
FL display serial clock output
H: Except when data is written
(Including STANDBY)
6
BYTE
-
GND
7
CNVSS
-
8,9
NC
-
Not used
Output L
fi
xed
10
RESET
-
Reset
Being controlled by system
μ
-COM
H: Normal, L: Reset
11
XOUT
-
Resonator
12MHz
12
VSS
-
GND
13
XIN
-
Resonator
12MHz
14
VCC1
-
Power supply (5V)
Connects PAN5V
15
NMI
I
Not used
Input
fi
xed
16~19
NC
-
Not used
Output L
fi
xed
20
LED CONT RTY2 O
LED rotary (Multi-key side) PWM output
H: LED ON, L: LED OFF
20
LED CONT
BLUE
O
Vari blue PWM output
H: LED ON, L: LED OFF
21
NC
-
Not used
Output L
fi
xed
22
FL BK
O
FL display blanking control
H: FL display OFF, L: FL display ON
23
FL LAT
O
FL display latch control
H: Data through, L: Data latch
24
LED CONT UNDER O
LED side luminescence (Under FL display) PWM output
H: LED ON, L: LED OFF
24
LED CONT RED O
Vari RED PWM output
H: LED ON, L: LED OFF
25
NC
-
Not used
Output L
fi
xed
26
LED CONT RTY1 O
LED rotary (VOL side) PWM output
H: LED ON, L: LED OFF
26
LED CONT GREEN O
Vari GREEN PWM output
H: LED ON, L: LED OFF
27,28
NC
-
Not used
Output L
fi
xed
29
PAN DATA
O
Data transmission from panel
30
SYS DATA
I
Data reception from system
μ
-COM
31
SYS REQ
I
System
μ
-COM communication request input
H: Data communicated
32
PAN REQ
O
Panel communication request output
H: Data communicatied
33
FL SI2
O
FL display serial data output
Pulse output
34
NC
-
Not used
Output L
fi
xed
35
CLK IN
I/O FL display serial clock input
Inputs FL display clock
36~38
NC
-
Not used
Output L
fi
xed
39
ROMCOR DET
I
ROM correction writing mode
H: Authorization to rewrite in ROM correction
(I2C opened)
39
EPM
I
For rewriting in
fl
ash ROM (EPM)
Input
fi
xed
40~43
NC
-
Not used
Output L
fi
xed
44
FLASH CE
I
For rewriting in
fl
ash ROM (CE)
45,46
NC
-
Not used
Output L
fi
xed
47
LED CONT FLTOP I/O LED side luminescence (Above FL display) SW
H: LED ON, Hi-Z: LED OFF
MICROCOMPUTER’S TERMINAL DESCRIPTION