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16
DDX7032/7032M/712
DNX7120/7220/7320
Pin No.
Pin Name
I/O
Application
True Value
Table
Processing Operation Description
30
SAT_RX
I
Communication with SAT
31
EM_CLK
I
Communication with emulator
32
BUSY
O
Output of BUSY signal during writing-in
33
SYS_SDATA
O
Communication between
μ
-coms
34
SYS_MDATA
I
Communication between
μ
-coms
35
SYS_MCLK
I
Communication between
μ
-coms
36
SYS_SREQ
O
Communication between
μ
-coms
37
SYS_MREQ
I
Communication between
μ
-coms
38
NC
O
Not used
Output is
fi
xed to L
39
EPM
I
Emulator connection
Logic is
fi
xed by pull down
40
SIR_DET
I
Detection of SIRIUS (13P
↔
8P conver-
sion cable) connection
H: Connected, L: Not connected
41
SIR_PON
O
SW14 control (K, R)
H: ON, L: OFF
42
SAT_RST
O
SAT RESET (K,R)
43
SAT_CON
O
Communication with SAT (K, R)
44
CE
I
Emulator connection
Logic is
fi
xed by pull up.
45
SEL_SCL
O
ASEL control
I2C CLK
46
SEL_SDA
I/O ASEL control
I2C DATA
47
V_DET
I
Video signal detection
48
AV_PDN
O
ASEL control RESET
49
NC
O
Not used
Output is
fi
xed to L
50
AVOUT_SEL
O
AVOUT SEL control (Not used)
Not used. Output is
fi
xed to L
51
NC
O
Not used
Output is
fi
xed to L
52
NC
O
Not used
Output is
fi
xed to L
53
TUN_IFC
I
RADIO TUNER control
H: Station found, L: Station not found
54
R_AFS_H
O
RADIO TUNER control
55
AM+B
O
RADIO TUNER control
H: AM, L: EXCEPT
56
R_DATA
I
RDS control (K, E, M, R)
56
NC
O
Not used (X, V)
Output is
fi
xed to L
57
R_QUAL
I
RDS control (K, E, M, R)
57
NC
O
Not used (X, V)
Output is
fi
xed to L
58
PRE_MUTEF
O
F pre-out mute
H: MUTE OFF, L: MUTE ON
59
PRE_MUTER
O
R pre-out mute
Not used. Output is
fi
xed to L
60
VCC2
-
61
PRE_MUTESW
O
SW pre-out mute
H: MUTE OFF, L: MUTE ON
62
VSS
-
63
AUDIO_MUTE0
O
EVOL rear stage mute
H: MUTE OFF, L: MUTE ON
64
AUDIO_MUTE1
O
EVOL rear stage mute
H: MUTE OFF, L: MUTE ON
65
AUDIO_MUTE2
O
EVOL rear stage mute
H: MUTE OFF, L: MUTE ON
66
AUDIO_MUTEA
O
EVOL front stage mute (Not used)
Not used. Output is
fi
xed to L
67
AUDIO_MUTEB
O
EVOL front stage mute
H: MUTE OFF, L: MUTE ON
68
AUDIO_MUTEC
O
EVOL front stage mute
H: MUTE OFF, L: MUTE ON
MICROCOMPUTER’S TERMINAL DESCRIPTION