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93
HCD-M90
Pin No.
Pin Name
I/O
Description
95
PLCKO
O
Not used
96 to 103 ADO0 to ADO7
O
Not used
104
VSS
—
Ground terminal (for digital system)
105
VSSA4
—
Ground terminal (for analog system)
106
VCO
I
VCO control signal input
107, 108
R1, R2
I
VCO outside resistance signal input
109
VDDA4 3.3V
—
Power supply terminal (+3.3V) (for analog system)
110
VSSA3
—
Ground terminal (for analog system)
111
INP
I
OP amp positive input terminal
112
INM
I
OP amp negative input terminal
113 to 115
FR3 to FR1
I
Feedback resistance signal
116
Y
O
OP amp output terminal
117
VDDA3 3.3V
—
Power supply terminal (+3.3V) (for analog system)
118
VREF
I
Reference voltage input terminal (for D/A converter)
119
BIAS
I
Bias input terminal (for D/A converter)
120
VDDA2 3.3V
—
Power supply terminal (+3.3V) (for analog system)
121
VSSA2
—
Ground terminal (for analog system)
122
AOUT
O
D/A converter output terminal (for D/A converter)
123
IREF
I
Reference current input terminal (for D/A converter)
124
VSSD2
—
Ground terminal (for D/A converter)
125
VDDD2 3.3V
—
Power supply terminal (+3.3V) (for D/A converter)
126
VRT
I
A/D converter reference input terminal
127
VDDA1 3.3V
—
Power supply terminal (+3.3V) (for analog system)
128
RFIN2
I
RF signal input from the RF amp
129
NMIX
—
RF signal input terminal Not used
130
VSSA1
—
Ground terminal (for analog system)
131
RFIN1
I
RF signal input from the RF amp
132
VRB
I
A/D converter reference input terminal
133
VSSD1
—
Ground terminal (for A/D converter)
—
Power supply terminal (+3.3V) (for A/D converter)
I
Tracking error signal input from the RF amp
I
Focusing error signal input from the RF amp
I
Pull-in signal input from the RF amp
—
Power supply terminal (+3.3V) (for analog system)
I
Tracking coil drive signal input from the coil drive
I
Spindle motor drive signal input from the motor drive
—
Ground terminal (for analog system)
142, 143
ADC5, ADC6
I
A/D converter input terminal
144
ADC7
I
Monitor signal input from the RF amp
145
VDDD0 3.3V
—
Power supply terminal (+3.3V) (for A/D converter)
146
VSSD0
—
Ground terminal (for A/D converter)
147
VRBA
I
A/D converter reference input terminal
148
VSSA0
—
Ground terminal (for analog system)
149
TESTAA
O
ASW output terminal Not used
150
VDDA0 3.3V
—
Power supply terminal (+3.3V) (for analog system)
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