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