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38
HCD-RV777D/RV888D/RV999D
Pin No.
Pin Name
I/O
Pin Description
135
SPO
O
Spindle motor control signal output to focus/tracking coil driver, spindle/sled motor
driver IC.
136
VC2
I
Middle point voltage (+1.65 V) input
137
MDIN2
I
Spindle motor servo drive signal input
138
MDIN1
I
MDP input
139
VCCA1
—
Power supply pin (+3.2 V)
140
CLVS
O
Control signal output to selection the spindle control filter constant at CLVS.
141
VSS
—
Ground pin
142
MDSOUT
O
Frequency error output pin of internal CLV circuit.
143
VDD
—
Power supply pin (+3.2 V)
144
MDPOUT
O
Phase error output pin of internal CLV circuit.
145
DFCT
I
DFCT signal input
146
GSCOR
I
Guard subcode sync (S0+S1) detection signal input from CD decoder, digital servo
processor IC.
147
EXCK
O
Subcode serial data reading clock signal output to CD decoder, digital servo processor
IC.
148
SBIN
I
Subcode serial data input from CD decoder, digital servo processor IC.
149
VSS
—
Ground pin
150
SCOR
I
Subcode sync (S0+S1) detection signal input from CD decoder, digital servo
processor IC.
151
WFCK
I
Write frame clock signal input from CD decoder, digital servo processor IC.
152
VDD5V
—
Power supply pin (+5 V)
153
XRCI
I
Not used in this set. (Fixed at L.)
154
VDDS
—
Power supply pin (+5 V)
155
C2PO
I
C2 pointer signal input from CD decoder, digital servo processor IC.
156
VDD
—
Power supply pin (+3.2 V)
157
DBCK
O
Not used in this set. (Open)
158
BCLK
I
Bit clock signal (2.8224 MHz) input from CD decoder, digital servo processor IC.
159
DDAT
O
Not used in this set. (Open)
160
MDAT
I
Signal data input from CD decoder, digital servo processor IC.
161
VSS
—
Ground pin
162
DLRC
O
Not used in this set. (Open)
163
LRCK
I
L/R sampling clock signal (44.1 kHz) input from CD decoder, digital servo processor
IC.
I
Reset signal input from mechanism control IC. (L: reset)
I
Not used in this set. (Fixed at L.)
I
Not used in this set. (Fixed at H.)
I
33.8688 MHz clock signal input from clock generator IC.
—
Ground pin
O
33.8688 MHz clock signal output to clock generator IC.
I
33.8688 MHz clock signal input from clock generator IC.
—
Power supply pin (+3.2 V)
I/O
Two-way data bus signal input from/output to mechanism control IC.
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