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CXD3005R
Contents
[1] CPU Interface
§1-1.
§1-2.
§1-3.
§1-4.
CPU Interface Timing ........................................................................................................................ 16
CPU Interface Command Table ........................................................................................................ 16
CPU Command Presets .................................................................................................................... 26
Description of SENS Signals ............................................................................................................. 31
[2] Subcode Interface
§2-1.
P to W Subcode Readout .................................................................................................................. 65
§2-2.
80-bit Sub Q Readout ........................................................................................................................ 65
[3] Description of Modes
§3-1.
CLV-N Mode ...................................................................................................................................... 71
§3-2.
CLV-W Mode ..................................................................................................................................... 71
§3-3.
CAV-W Mode ..................................................................................................................................... 71
[4] Description of Other Functions
§4-1.
Channel Clock Regeneration by the Digital PLL Circuit .................................................................... 73
§4-2.
Frame Sync Protection ...................................................................................................................... 75
§4-3.
Error Correction ................................................................................................................................. 75
§4-4.
DA Interface ....................................................................................................................................... 76
§4-5.
Digital Out .......................................................................................................................................... 79
§4-6.
Servo Auto Sequence ....................................................................................................................... 80
§4-7.
Digital CLV ......................................................................................................................................... 88
§4-8.
Playback Speed ................................................................................................................................ 89
§4-9.
DAC Block Playback Speed .............................................................................................................. 90
§4-10. DAC Block Input Timing .................................................................................................................... 90
§4-11. Asymmetry Compensation ................................................................................................................ 91
§4-12. CXD3005 Clock System .................................................................................................................... 92
[5] Description of Servo Signal Processing System Functions and Commands
§5-1.
General Description of the Servo Signal Processing System ............................................................ 93
§5-2.
Digital Servo Block Master Clock (MCK) ........................................................................................... 94
§5-3.
AVRG Measurement and Compensation .......................................................................................... 94
§5-4.
E:F Balance Adjustment Function ..................................................................................................... 96
§5-5.
FCS Bias Adjustment Function .......................................................................................................... 96
§5-6.
AGCNTL Function ............................................................................................................................. 98
§5-7.
FCS Servo and FCS Search ........................................................................................................... 100
§5-8.
TRK and SLD Servo Control ........................................................................................................... 101
§5-9.
MIRR and DFCT Signal Generation ................................................................................................ 102
§5-10. DFCT Countermeasure Circuit ........................................................................................................ 103
§5-11. Anti-Shock Circuit ............................................................................................................................ 103
§5-12. Brake Circuit .................................................................................................................................... 104
§5-13. COUT Signal ................................................................................................................................... 105
§5-14. Serial Readout Circuit ...................................................................................................................... 105
§5-15. Writing to the Coefficient RAM ........................................................................................................ 106
§5-16. PWM Output .................................................................................................................................... 106
§5-17. DIRC Input Pin ................................................................................................................................. 108
§5-18. Servo Status Changes Produced by the LOCK Signal ................................................................... 109
§5-19. Description of Commands and Data Sets ....................................................................................... 109
§5-20. List of Servo Filter Coefficients ........................................................................................................ 124
§5-21. Filter Composition ............................................................................................................................ 126
§5-22. TRACKING and FOCUS Frequency Response .............................................................................. 133
[6] Application Circuit
.................................................................................................................................. 134
Explanation of abbreviations
AVRG:
AGCNTL: Auto gain control
FCS:
Focus
TRK:
Tracking
SLD:
Sled
DFCT:
Defect
Average