
13
DDX5022/5022Y/5032/5032M/512/52RY
DNX5120/512EX/5220/5220BT
Pin No.
Pin Name
I/O
Application
Processing / Operation / Description
82
BE_INI
O
Initial request to back end
83
BE_BUDET
O
Noti
fi
cation of momentary power down detection to back end
84
NC
O
85
BE_RESERVE2
I
Operation identi
fi
cation terminal from back end
H: Valid, L: Invalid
86
BE_RESET
O
Reset request to back end
L: Reset, H: Clear reset
87
NC
O
88
BE_SDATA
I
Communication data from back end
89
BE_CLK
I
Communication clock with back end
90
BE_MDATA
O
Communication data to back end
91
VCC2
92
TYPE1
I
Destination settings
Refer to “Destination settings”
93
VSS
94
TYPE2
I
Destination settings
Refer to “Destination settings”
95
NC
O
Not used. Output is
fi
xed to “L”
96
ASEL2_2
O
AVOUT source audio switching
Refer to “ASEL settings”
97
ASEL2_1
O
AVOUT source audio switching
Refer to “ASEL settings”
98
ASEL1_2
O
Main source audio switching
Refer to “ASEL settings”
99
ASEL1_1
O
Main source audio switching
Refer to “ASEL settings”
100
EVOL_MUTE0
O
E-VOL front mute
L: ON, H: OFF
101
EVOL_MUTE1
O
E-VOL rear mute
L: ON, H: OFF
102
NC
O
103
BE_RESERVE1
I
CLK terminal for operation identi
fi
cation from back end CLK frequency: 1Hz
104
BE_SREQ
I
Request from back end
105
EVOL_MUTE2
O
E-VOL R SW mute
L: ON, H: OFF
106
EVOL_MUTEC
O
E-VOL_C mute
L: ON, H: OFF
107
EVOL_MUTEB
O
E-VOL_B AVOUT mute
L: ON, H: OFF
108
AM+B
O
Tuner AM power supply ON/OFF control
L: ON, H: OFF
109
PRE_MUTEF
O
Pre-out mute (FRONT)
L: ON, H: OFF
110
PRE_MUTESW
O
Pre-out mute (REAR/SW)
L: ON, H: OFF
111
PON
O
SW power supply ON/OFF control
L: ON, H: OFF
112
SIR_DET
I
Sirius connection detection
113
SIR_PON
O
SAT power supply ON/OFF
114
NC
O
115
TV_JUDGE
I
Determination of TV_BOX if it is old or new
H: Old, L: New
115
NC
O
Output from model without TV is
fi
xed to “L”
116
ANT_CON
O
Power antenna control
H: UP, L: DOWN
117
P_CON
O
P-CON control
L: STANDBY, POWER OFF, H: EXCEPT
118
ILLUMI
I
Illumination detection
L: ON, H: OFF
119~121 NC
O
122
TYPE0
I
Destination settings
Refer to “Destination settings”
123
KEY3
I
Key3 input
Refer to “KEY3 matrix”
124
TUN_IFC
I
F/E IFC input
H: Station found, L: Station not found
125
TUN_SMET
I
S meter input
126
R_NOISE
I
FM noise input
127
R_AFS_H
I/O Time constant switching when F/E noise is detected
MICROCOMPUTER’S TERMINAL DESCRIPTION