CXD3027R View Datasheet(PDF) - Sony Semiconductor
Part Name
Description
Manufacturer
CXD3027R Datasheet PDF : 192 Pages
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CXD3027R
Pin
No.
Symbol
I/O
Description
32 COUT I/O 1, 0 Track count signal I/O.
33 MIRR I/O 1, 0 Mirror signal I/O.
34 DFCT I/O 1, 0 Defect signal I/O.
35 FOK
I/O 1, 0 Focus OK signal I/O.
36 PWMI I
Spindle motor external control input.
37 LOCK
I/O 1, 0
GFS is sampled at 460Hz; when GFS is high, this pin outputs a high signal.
If GFS is low eight consecutive samples, this pin outputs low.
Or input when LKIN = 1.
38 TEST1 O
Test pin.
39 TEST2 O
Test pin.
40 TEST3 O
Test pin.
41 VDD1
— — Digital power supply.
42 C176
O
176.4kHz output.
43 MDP
O 1, Z, 0 Spindle motor servo control output.
44 MDS
O
Spindle motor servo control output.
45 SSTP
I
Disc innermost track detection signal input.
46 SFDR O 1, 0 Sled drive output.
47 SRDR O 1, 0 Sled drive output.
48 TFDR O 1, 0 Tracking drive output.
49 TRDR O 1, 0 Tracking drive output.
50 FFDR O 1, 0 Focus drive output.
51 FRDR O 1, 0 Focus drive output.
52 VSS1
— — Digital GND.
53 TEST
I
Test pin. Normally, GND.
54 TES1
I
Test pin. Normally, GND.
55 AVDD0 — — Analog power supply.
56 IGEN
I
Operational amplifier constant current input.
57 AVSS0 — — Analog GND.
58 RFDC I
RF signal input.
59 CE
I
Center servo analog input or E input.
60 TE
I
Tracking error signal input or F input.
61 SE
I
Sled error signal input or B input.
62 FE
I
Focus error signal input or A output.
63 VC
I
Center voltage input.
64 VPCO O 1, Z, 0 Wide-band EFM PLL charge pump output.
65 VCTL
I
Wide-band EFM PLL VCO2 control voltage input.
–5–
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