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8
DPX502/502U/502UY
DPX-MP5100U
Pin No.
Pin Name
I/O
Application
Truth
Value Table
Processing / Operation / Description
79
LINE MUTE
I
Line mute detection
TEL mute: Below 1V, NAVI mute: Over 2.5V
80
PWIC DC DET
I
DC offset detection
81
IC2 SDA
I/O I2C data input/output
82
IC2 SCL
I/O I2C clock input/output
83
NC
-
Not used
Output L fi xed
84
MUTE AFS
I/O AFS mute
L: Mute ON, HI-Z: Mute OFF (European model)
85
MUTE 0
O
E-VOL front mute
L: ON, H: OFF
86
MUTE 1
O
E-VOL rear mute
L: ON, H: OFF
87
MUTE 2
O
E-VOL SW mute
L: ON, H: OFF
88
MUTE PRE FR
O
Pre-out mute FR
L when mute is L (CD playing), momentary power down: L
Dual Zone: H fi xed
89
MUTE PRE SW
O
Pre-out mute SW
L: Mute, H: Mute OFF
90,91
NC
-
Not used
Output L fi xed
92
RDS NOISE
I
FM noise detection
93
TUN SMETER
I
S-meter input
94
AVSS
-
GND
95
NC
-
Not used
Output L fi xed
96
VREF
-
97
AVCC
-
98
LX DATA S
I
Data from slave unit
99
LX DATA M
O
Data to slave unit
100
LX CLK
I/O LX-BUS clock
Truth value table
q
CD motor control
CD MOTOR (Pin50)
CD LOEJ (Pin49)
Stop
L
L
Load
H
L
Eject
H
H
Brake
H
Hi-Z
w
Destination switching
TYPE 2 (Pin64) TYPE 1 (Pin63)
MODEL
DESTI.
0V
5V
DPX502
K
1.5V
5V
DPX-MP5100U
M
2.5V
5V
DPX502U
E
3.4V
5V
DPX502UY
E2
5V
0V
DPX-U77
J
MICROCOMPUTER’S TERMINAL DESCRIPTION