55
HCD-HP8V
Pin No. Pin Name I/O Description
154, 155 NC —
Not used
156 AVD0 —
Analog power supply terminal (+2.5V)
157 IGEN I
Operational amplifier constant current input
158 AVS0 —
Analog ground terminal
159 ADIO O
Output terminal for the test Not used
160 RFDC I
RF signal input from the RF amplifier
161 CE I
Center servo analog signal input
162 TE I
Tracking error signal input from the RF amplifier
163 SE I
Sled error signal input from the RF amplifier
164 FE I
Focus error signal input from the RF amplifier
165 VC I
Center voltage (+1.65V) input terminal
166 VPCO O
Wide-band EFM PLL charge pump output
167 VCTL I
Wide-band EFM PLL VCO2 control voltage input
168 FILO O
Master PLL filter output
169 FILI I
Master PLL filter input
170 PCO O
Master PLL charge pump output
171 CLTV I
Multiplier VCO1 control voltage input
172 AVS1 —
Analog ground terminal
173 RFAC I
EFM signal input from the RF amplifier
174 BIAS I
Asymmetry circuit constant current input
175 ASYI I
Asymmetry comparator voltage input
176 ASYO O
EFM full-swing output
177 AVD1 —
Analog power supply terminal (+2.5V)
178 VDD7 —
Digital power supply terminal (+2.5V) (for CD-DSP block)
179 SOUT O
Serial data output terminal Not used
180 SOCK O
Serial data readout clock signal output terminal Not used
181 XOLT O
Serial data latch pulse signal output terminal Not used
182 C4M O
4.2336 MHz clock signal output terminal Not used
183 LOCK O
GFS is sampled by 460 Hz “H” output when GFS is “H” Not used
184 VSS7 —
Digital ground terminal
185 MD2 I
Digital out on/off control signal input terminal “L”: digital out off, “H”: digital out on
Not used
186 SCSY I
Guard subcode sync (S0+S1) resynchronization input terminal Not used
187 PWMI I
Spindle motor external control signal input terminal Not used
188 VDD8 —
Digital power supply terminal (+2.5V) (for CD-DSP block)
189 XTSL I
Input terminal for the system clock frequency setting
“L”: 16.9344 MHz, “H”: 33.8688MHz
190 VSS8 —
Digital ground terminal
191 PVS2 —
Analog ground terminal (for PLL2)
192 LPFI I
Connected terminal of PLL2 filter
193 LPFO O
Connected terminal of PLL2 filter
194 PVD2 —
Analog power supply terminal (+2.5V) (for PLL2)
195, 196 NC —
Not used
197 PVD1 —
Analog power supply terminal (+2.5V) (for PLL1)
198 PVS1 —
Analog ground terminal (for PLL1)
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