8
KDC-MP738U/W7541U
/W7541UY/X792/X8009U
Pin No.
Pin Name
I/O
Application
Truth
Value Table
Processing / Operation / Description
64
MUTE_2
O
IC-2 SW MUTE control
L: Mute ON, Independent setup of time
constant 10ms, H: In normal condition
Shall be used together with MUTE_PRE_SW
IC2 shock noise measure
65
LINE_MUTE
I
Line mute detection
TEL MUTE: 1V or less, NAVI MUTE: 2.5V or higher
66
NC (SA_IN)
O
Not used
Output L
fi
xed
67
NC (SA_RST)
O
Not used
Output L
fi
xed
68
NC (SA_CLK)
O
Not used
Output L
fi
xed
69
NC (MUTE_SA)
O
Not used
Output L
fi
xed
70
PWIC_DC_DET
I
DC offset detection terminal
71
ACC_DET
I
ACC detection
L: ACC found, H: ACC not found
72
BU_DET
I
BU detection
L: BU found, H: When No BU
Reduction of power, and Over voltage
73
LX_REQ_S
I
Communication request from slave unit
74
MUTE_AFS
I/O
IC-2 MUTE_C control
AFS MUTE
L: Mute ON, Independent setup of time
constant 0.5ms, Hi-Z: While in normal
74
NC
I
Not used (For other type than E-TYPE)
Input Hi-Z
fi
xed
75
SDA/EVOL_SDA
I/O System
μ
-com
→
IC-2 data output
Communication speed 200-400k
75
SDA/E2P_SDA
I/O I2C data for ROM correction
Communication speed 200-400k
76
SCL/EVOL_SCL
I/O System
μ
-com
→
IC-2 CLK output
Communication speed 200-400k
76
SCL/E2P_SCL
I/O I2C clock for ROM correction
Communication speed 200-400k
77
PWIC_MUTE
O
Power IC MUTE terminal
L: While STANDBY source, momentary power
down, L: While TEL MUTE
78
PWIC_STBY
O
Power IC standby terminal
POWER ON: H, POWER OFF: L
79
LX_REQ_M
O
Communication request to slave unit
80
LX_MUTE
I
MUTE request from slave unit
H: Mute ON, L: Mute OFF
81
LX_CON
O
Start-up request to slave unit
H: Slave unit ON, L: Slave unit OFF
82
LX_RST
O
Hardware-reset to slave unit
H: RST, L: Normal
83
MUTE_PRE_FR
O
External PREOUT_MUTE F/R
“L” when Obit, or momentary power down
84
MUTE_PRE_SW
O
External PREOUT_MUTE SUB
MUTE_2 shock noise measure
“L” when Obit, or momentary power down
Shall be used in addition to MUTE_2.
85
PON_AM
I/O AM+B power supply control terminal
H: ON when AM is being received.
Hi-z: OFF in other condition.
86
TUN_IFC_OUT
I
F/E IFC OUT input terminal
H: Station is found., L: No station is found.
87
TUN_SMETER
I
S meter voltage detection terminal
88
RDS_NOISE
I
FM noise voltage detection terminal
88
NC
O
Not used. (In models without RDS)
Output L
fi
xed
89
RDS_AFS_M
I/O Time constant switching when noise is detected
e
L: During AF search, Hi-Z: In normal condition
89
NC
O
Not used. (In models without RDS)
Output L
fi
xed
90
TYPE_1
I
A/D 5 pattern
q
91
TYPE_2
I
A/D 5 pattern
q
92
G_Y_OUT
I
Detection of Y direction movement of G analyzer
92
NC
O
Not used. (In models without G antenna)
Output L
fi
xed
MICROCOMPUTER’S TERMINAL DESCRIPTION