12
DDX5024/5034/5034BT/5034M/5054/514/54R
DNX5140/5240/5240BT/6000EX/6140
Pin No.
Pin Name
I/O
Application
Processing / Operation / Description
73
WRT_E2P
I
Used when writing into E2P
L: Normal condition
H: When writing into E2P
74
VCC2
75
TYPE4
I
Terminal for destination (5VPRE/2VPRE)
H: 5V pre-out, L: 2V pre-out
76
VSS
77
NC
O
Not used. Output is
fi
xed to “L”
78
DISKDET
I
DVD mechanism function to detect if there is a disc or not H: Disc is not detected, L: Disc is detected
79
BE_MREQ
O
Request to back end
80
BE_STBY
I
Standby request from back end
81
BE_CON
O
Control request to back end
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
ASEL3_1
O
Dedicated audio switching with K and R BT (MAIN or BT) Refer to “ASEL settings”
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
AF dedicated mute, Time constant 0.5mS
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
MICROCOMPUTER’S TERMINAL DESCRIPTION