6
KDC-4047UA/4047UG/4047UGY/4047UM
KDC-414UA/414UM/MP245U/U3046/U346/U4046
Pin No.
Pin Name
I/O
Application
Truth Value
Table
Processing / Operation / Description
77
PWIC MUTE
O
Power IC mute
STANDBY source or momentary power-down: L,
TEL mute: L
78
MUTE
I/O Mute
L: Mute OFF, Hi-Z: Mute ON
79
BU DET
I
Momentary power-down detection
BU found: L,No BU or momentary power-down: H
(Operates within 4ms after momentary power-down
is detected)
80
ACC DET
I
ACC power supply detection
ACC found: L, No ACC: H
81
TYPE1
I
Destination SW
Refer to the truth value table
82
TYPE2
I
Destination SW
Refer to the truth value table
83
NC
-
Not used
Output L
fi
xed
84
PWIC DC ERR
I
Detection of power IC short-cirB/GND
85
LINE MUTE
I
Line mute setection
TEL mute: Below 1V, NAVI mute: Over 2.5V
86
TUN SMETER
I
S-meter input
87
PON SWREG
O
SW-REG ON/OFF
H: ON, L: OFF
88
AUD DC ERR
I
DC offset setection
If DC offset is detected 20 times in 100ms with
condition below 1.0V, it will be judged as DC offset
is detected.
89
FSEL
O
SW-REG frequency SW
H: 1.3MHz, L: 1.8MHz
90,91
NC
-
Not used
Output L
fi
xed
92
PS2 1
O
Power supply IC control
w
Refer to the truth value table
93
PS1 1
O
Power supply IC control
w
Refer to the truth value table
94
PS1 2
O
Power supply IC control
w
Refer to the truth value table
95
PS1 3
O
Power supply IC control
w
Refer to the truth value table
96
AVSS
-
97
NC
-
Not used
Output L
fi
xed
98
VREF
-
99
AVCC
-
100
NC
-
Not used
Output L
fi
xed
• Truth value table
q
CD motor control
CD MOTOR (Pin 42)
CD LOEJ (Pin 40)
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
MICROCOMPUTER’S TERMINAL DESCRIPTION
