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HCD-GTR33/GTR55/GTR77
45
Pin No.
Pin Name
I/O
Description
78
BA0
O
Bank address signal output to the SD-RAM
79
DVSS18
-
Ground terminal
80
BA1
O
Bank address signal output to the SD-RAM
81 to 83
RA10, RA0, RA1
O
Address signal output to the SD-RAM
84
DVDD33
-
Power supply terminal (+3.3V)
85, 86
RA2, RA3
O
Address signal output to the SD-RAM
87
IFBSY
I
Communication initialization request signal input from the system controller
88
IFCS#
O
Communication initialization request acknowledge signal output to the system controller
89
RX
-
Not used
90
DVDD18
-
Power supply terminal (+1.8V)
91
TX
-
Not used
92
XMAMUTE
-
Not used
93
SPDIF
O
SPDIF signal output terminal Not used
94
GPIO
I
Thermal shut down signal input from the coil/motor driver
95
DACVDDC
-
Power supply terminal (+3.3V)
96
VREF
I
Band gap reference voltage terminal
97
FS
I
Full scale adjustment terminal
98
DACVSSC
-
Ground terminal
99
CVBS
O
Composite video signal output terminal Not used
100, 101
DACVDDB,
DACVDDA
-
Power supply terminal (+3.3V)
102
SY/Y/G
O
Component video (Y) signal output terminal Not used
103
SC/CB/B
O
Component video (Pb/Cb) signal output terminal Not used
104
CR/R
O
Component video (Pr/Cr) signal output terminal Not used
105
AADVSS
-
Ground terminal
106
GPIO19
I
Audio data input from the A/D converter (for USB)
107
MUTE123
-
Not used
108
LIMITSW
-
Not used
109, 110
AADVDD, APLLVDD
-
Power supply terminal (+3.3V)
111
APLLCAP
I
External capacitor connecting terminal
112, 113
ADACVSS2,
ADACVSS1
-
Ground terminal
114
GPIO
O
Master clock signal output to the A/D converter and D/A converter
115
GPIO
O
Bit clock signal output to the A/D converter and D/A converter
116
GPIO
O
Muting signal output to the coil/motor driver (for focus/tracking coil and sled motor)
117
AVCM
-
Audio D/A converter reference voltage terminal
118
GPIO
I
Limit detection switch input terminal
119
GPIO
O
L/R sampling clock signal output to the A/D converter and D/A converter
120
GPIO
O
Audio data output to the D/A converter
121, 122
ADACVDD1,
ADACVDD2
-
Power supply terminal (+3.3V)
123
AVDD18_1
-
Power supply terminal (+1.8V)
124
AGND18
-
Ground terminal
125, 126
RF_IP, OPOUT
I
AC coupled RF signal input from the optical pick-up block
127
IOPMON/OPINP
I
Power monitor terminal
128
SPFG/OPINN
I
Spindle motor hall sensor input from the motor driver