8
KDC-W4044UA/W4044UAY/W4044UG/W4044UGY
KDC-W413UA/W413UAY/W4544U/W4644UY
MICROCOMPUTER’S TERMINAL DESCRIPTION
• Truth value table
q
CD motor control
CD motor
CD loading/eject
Stop
L
L
Load
H
L
Eject
H
H
Brake
H
Hi-z
w
Power supply IC (IC4) control
SEL1 (Pin 10)
PS1-2
PS1-3
PS2-1
ILLUMI
P-CON
P-ANT
L
L
L
OFF
OFF
OFF
L
L
H
ON
OFF
OFF
H
L
H
ON
ON
OFF
H
H
H
ON
ON
ON
SEL2 (Pin 11)
PS1-1
PS2-2
AUDIO/SW5
AM
L
L
OFF
OFF
H
L
ON
OFF
H
H
ON
ON
Pin No.
Pin Name
I/O
Application
Truth Value
Table
Processing Operation Description
78
MUTE
I/O Mute
L: Mute OFF, Hi-Z: Mute ON
79
BU DET
I
Momentary power-down detection
BU detected: L,
No BU or momentary power-down: H
(Operates below 4ms after momentary power-down
is detected)
80
ACC DET
I
ACC power supply detection
ACC detected: L, No ACC: H
81
TYPE1
I
Destination SW
82
TYPE2
I
Destination SW
83
PWIC DC ERR
I
Detects whether power IC was short-circuited
to +B or GND
84
LINE MUTE
I
Line mute detection
TEL mute: Below 1V, NAVI mute: Over 2.5V
85
NC
-
Not used
Output L
fi
xed
86
FSEL
O
Frequency SW for switching regulator
H: 1.3MHz, L: 1.8MHz
87
PON SWREG
O
ON/OFF for switching regulator
H: ON, L: OFF
88,89
NC
-
Not used
Output L
fi
xed
90
PS2 2
O
Power supply IC control
w
Refer to the truth value table
91
PS2 1
O
Power supply IC control
w
Refer to the truth value table
92
PS1 1
O
Power supply IC control
w
Refer to the truth value table
93
PS1 2
O
Power supply IC control
w
Refer to the truth value table
94
PS1 3
O
Power supply IC control
w
Refer to the truth value table
95
NC
-
Not used
Output L
fi
xed
96
AVSS
-
97
REF CON
O
VREF control
Connects to VREF
98
VREF
-
99
AVCC
-
100
LX DATA S
I
Data from slave unit
