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MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No.
Pin Name
I/O
87
PWIC MUTE
O
88
NC
-
89
PWIC STBY
O
90
MUTE
I/O Mute
91
LX MUTE
I
92
LX CON
O
93
LX RST
O
94
AVSS
-
95
LX REQ M
O
96
VREF
-
97
AVCC
-
98
LX DATA S
I
99
LX DATA M
O
100
LX CLK
I/O LX-BUS clock
• Truth value table
q CD motor control
CD MOTOR (Pin 56)
Stop
L
Load
H
Eject
H
Brake
H
Application
Power IC mute
Not used
Power IC standby control
Mute request from slave unit
Start-up request to slave unit
Forced reset to slave unit
Communication request to slave unit
Data from slave unit
Data to slave unit
CD LOEJ (Pin 57)
L
L
H
Hi-z
KDC-BT40U/BT645U
KDC-U546BT
Truth Value
Processing / Operation / Description
Table
STANDBY source or momentary power-down: L,
TEL mute: L
Output L fi xed
POWER ON: H, POWER OFF: L
L: Mute OFF, Hi-Z: Mute ON
H: Mute ON, L: Mute OFF
H: Slave unit ON, L: Slave unit OFF
H: Reset, L: Normal
w Power supply IC (IC4) control
SEL1 (Pin 10)
PS1-2
PS1-3
PS2-1
L
L
L
L
L
H
H
L
H
H
H
H
SEL2 (Pin 11)
PS1-1
PS2-2
L
L
H
L
H
H
ILLUMI
P-CON
P-ANT
OFF
OFF
OFF
ON
OFF
OFF
ON
ON
OFF
ON
ON
ON
AUDIO/SW5
AM
OFF
OFF
ON
OFF
ON
ON
7
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