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CXD3008Q
Contents
[1] CPU Interface
§ 1-1. CPU Interface Timing .................................................................................................................... 12
§ 1-2. CPU Interface Command Table .................................................................................................... 12
§ 1-3. CPU Command Presets ................................................................................................................ 23
§ 1-4. Description of SENS Signals......................................................................................................... 30
[2] Subcode Interface
§ 2-1. P to W Subcode Readout.............................................................................................................. 56
§ 2-2. 80-bit Sub-Q Readout.................................................................................................................... 56
[3] Description of Modes
§ 3-1. CLV-N Mode.................................................................................................................................. 63
§ 3-2. CLV-W Mode................................................................................................................................. 63
§ 3-3. CAV-W Mode................................................................................................................................. 63
§ 3-4. VCO-C mode................................................................................................................................. 64
[4] Description of Other Functions
§ 4-1. Channel Clock Regeneration by Digital PLL Circuit ...................................................................... 67
§ 4-2. Frame Sync Protection.................................................................................................................. 69
§ 4-3. Error Correction............................................................................................................................. 69
§ 4-4. DA Interface................................................................................................................................... 70
§ 4-5. Digital Out...................................................................................................................................... 72
§ 4-6. Servo Auto Sequence.................................................................................................................... 73
§ 4-7. Digital CLV..................................................................................................................................... 81
§ 4-8. Playback Speed............................................................................................................................. 82
§ 4-9. Asymmetry Correction................................................................................................................... 83
§ 4-10. CD TEXT Data Demodulation ....................................................................................................... 84
[5] Description of Servo Signal Processing System Functions and Commands
§ 5-1. General Description of Servo Signal Processing System.............................................................. 86
§ 5-2. Digital Servo Block Master Clock (MCK)....................................................................................... 87
§ 5-3. DC Offset Cancel [AVRG Measurement and Compensation] ....................................................... 88
§ 5-4. E: F Balance Adjustment Function ................................................................................................ 89
§ 5-5. FCS Bias Adjustment Function...................................................................................................... 89
§ 5-6. AGCNTL Function ......................................................................................................................... 91
§ 5-7. FCS Servo and FCS Search ......................................................................................................... 93
§ 5-8. TRK and SLD Servo Control ......................................................................................................... 94
§ 5-9. MIRR and DFCT Signal Generation.............................................................................................. 95
§ 5-10. DFCT Countermeasure Circuit...................................................................................................... 96
§ 5-11. Anti-Shock Circuit.......................................................................................................................... 96
§ 5-12. Brake Circuit.................................................................................................................................. 97
§ 5-13. COUT Signal ................................................................................................................................. 98
§ 5-14. Serial Readout Circuit.................................................................................................................... 98
§ 5-15. Writing to Coefficient RAM ............................................................................................................ 99
§ 5-16. PWM Output.................................................................................................................................. 99
§ 5-17. Servo Status Changes Produced by LOCK Signal........................................................................ 100
§ 5-18. Description of Commands and Data Sets ..................................................................................... 100
§ 5-19. List of Servo Filter Coefficients...................................................................................................... 121
§ 5-20. Filter Composition.......................................................................................................................... 123
§ 5-21. TRACKING and FOCUS Frequency Response............................................................................ 129
[6] Application Circuit .................................................................................................................................. 130
Explanation of abbreviations AVRG: Average
AGCNTL: Auto gain control
FCS: Focus
TRK: Tracking
SLD: Sled
DFCT: Defect