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CDX-GT49UM/GT490U/GT490US/GT494U
Pin No.
Pin Name
61
CLK_IN
62
Z_MUTE
63
NCO
64
TEST
65
VCC
66
VSS
67
NCO
68
AMP_STB
69
DIAG
70
VBUS_ON
71
SA_OUT
72
SA_CLK
73
NCO
74
TU_ATT
75
NSMASK
76
RDS_ON
77
FLASH_EN0
78
FLASH_EN1
79 to 81
NCO
82
TU_ATTIN
83
BU_CHECK
84
EQ TYPE_SEL
85 to 89
NCO
90
VCC
91
VSS
92
OSC_OUT
93
OSC_IN
94
NCO
95
SIRCS
96
NCO
97
BEEP
98
ZAPPIN
99
SYNC_OUT
100
DD_ON
28
I/O
I
Flash programming serial clock signal input
I
Z mute signal input
O
Not used. (Open)
O
Not used. (Open)
Power supply pin (+3.3 V)
Š
Ground
Š
O
Not used. (Open)
O
Standby signal output for power regulator IC
I
Condition signal input from power amp IC
I
VBUS power supply control signal input (L: VBUS OFF, H: VBUS ON)
O
Spectrum analyzer serial data output
O
Spectrum analyzer serial clock signal output
O
Not used. (Open)
O
Not used. (Open)
O
Not used. (Open)
O
Not used. (Open)
I
Flash writer programming wake up signal input (Fixed at L)
I
Flash writer programming wake up signal input
O
Not used. (Open)
O
Not used. (Open)
I
Back up power supply detect signal input
I
Equalizer type setting signal input (L: general model)
O
Not used. (Open)
Power supply pin (+3.3 V)
Š
Ground
Š
O
High speed operation clock signal output (7.92 MHz)
I
High speed operation clock signal input (7.92 MHz)
O
Not used. (Open)
I
Remote control signal input
O
Not used. (Open)
O
Beep signal output for power amplifi er IC
O
Zappin beep signal output
O
DC/DC converter oscillation frequency control signal output
O
DC/DC converter power supply ON/OFF control signal output
Description
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