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MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No.
Pin Name
I/O
78
PWIC_STBY
O
79
LINE_MUTE
I
80
PWIC_DC_DET
I
81
SDA/EVOL_SDA
I/O System µ-com → IC-2 data output
81
SDA/E2P_SDA
I/O I2C clock for ROM correction
82
SCL/EVOL_SCL
I/O System µ-com → IC-2 CLK output
82
SCL/E2P_SCL
I/O I2C data for ROM correction
83
MUTE_SA
I/O
84
MUTE_AFS
I/O
84
Not used
O
85
MUTE_0
O
86
MUTE_1
O
87
MUTE_2
O
88
MUTE_PRE_FR
O
89
MUTE_PRE_SW
O
90
G_Y_OUT
I
90
NC
O
91
G_X_OUT
I
91
NC
O
92
RDS_NOISE
I
92
NC
O
93
TUN_SMETER
I
94
AVSS
95
SVR
I/O PowerIC SVR discharge control terminal
96
VREF
97
AVCC
98
LX_DATA_S
I
99
LX_DATA_M
O
100
LX_CLK
I/O LX BUS clock
Application
Power IC standby terminal
Line mute detection
DC offset detection terminal
IC-2 MUTE_A control
Spectrum analyzer MUTE
IC-2 MUTE_C control (E Type)
AFS MUTE
Other type than E type
IC-2 FRONT MUTE control
IC-2 REAR MUTE control
IC-2 SW MUTE control
External PREOUT_MUTE F/R
External PREOUT_MUTE SUB
MUTE_2 shock noise measure
Detection of Y direction movement of G
analyzer
Detection of X direction movement of G
analyzer
FM noise voltage detection terminal
S meter voltage detection terminal
A/D analog reference voltage
Data from slave unit
Data to slave unit
KDC-W9537U/W9537UY
KDC-X9006U/X991
Truth
Processing Operation Description
Value Table
POWER ON: H, POWER OFF: L
TEL MUTE: 1V or lower (J: NAVI MUTE)
NAVI MUTE: 2.5V or higher (To the entire destination)
Communication speed 200-400k
Communication speed 200-400k
Communication speed 200-400k
Communication speed 200-400k
L: Mute ON, Independent setup of time constant 0.5ms,
Hi-Z: While in normal
L: Mute ON, Independent setup of time constant 0.5ms,
Hi-Z: While in normal
Fixed to Hi-Z
L: Mute ON, Independent setup of time constant 10ms
H: While in normal
L: Mute ON, Independent setup of time constant 10ms,
H: While in normal
L: Mute ON, Independent setup of time constant
10ms, H: While in normal, Shall be used together with
MUTE_PRE_SW, IC2 shock noise measure
"L" when 0 bit, or momentary power down
"L" when 0 bit, or momentary power down, Shall be used
in addition to MUTE_2
Output L fi xed
Output L fi xed
Output L fi xed
H: Normal operation, Hi-Z: SVR discharge
11
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