CXD3017Q
Contents
§1. CPU Interface
§1-1. CPU Interface Timing ........................................................................................................................ 13
§1-2. CPU Interface Command Table ........................................................................................................ 13
§1-3. CPU Command Presets .................................................................................................................... 24
§1-4. Description of SENS Signals and Commands ................................................................................... 30
§2. Subcode Interface
§2-1. 80-bit Sub Q Readout ........................................................................................................................ 46
§3. Description of Other Functions
§3-1. Channel Clock Regeneration by the Digital PLL Circuit .................................................................... 49
§3-2. Frame Sync Protection ...................................................................................................................... 50
§3-3. Error Correction ................................................................................................................................. 50
§3-4. DA Interface ....................................................................................................................................... 51
§3-5. Digital Out .......................................................................................................................................... 53
§3-6. Servo Auto Sequence ....................................................................................................................... 53
§3-7. Digital CLV ......................................................................................................................................... 60
§3-8. CD-DSP Block Playback Speed ........................................................................................................ 61
§3-9. DAC Block Playback Speed .............................................................................................................. 61
§3-10. Description of DAC Block Functions .................................................................................................. 62
§3-11. LPF Block .......................................................................................................................................... 65
§3-12. Asymmetry Compensation ................................................................................................................ 66
§3-13. CD TEXT Data Demodulation ........................................................................................................... 67
§4. Description of Servo Signal Processing System Functions and Commands
§4-1. General Description of Servo Signal Processing System .................................................................. 69
§4-2. Digital Servo Block Master Clock (MCK) ........................................................................................... 70
§4-3. DC Offset Cancel [AVRG Measurement and Compensation] ........................................................... 71
§4-4. E:F Balance Adjustment Function ..................................................................................................... 72
§4-5. FCS Bias Adjustment Function .......................................................................................................... 72
§4-6. AGCNTL Function ............................................................................................................................. 74
§4-7. FCS Servo and FCS Search ............................................................................................................. 76
§4-8. TRK and SLD Servo Control ............................................................................................................. 77
§4-9. MIRR and DFCT Signal Generation .................................................................................................. 78
§4-10. DFCT Countermeasure Circuit .......................................................................................................... 79
§4-11. Anti-Shock Circuit .............................................................................................................................. 79
§4-12. Brake Circuit ...................................................................................................................................... 80
§4-13. COUT Signal ..................................................................................................................................... 81
§4-14. Serial Readout Circuit ........................................................................................................................ 81
§4-15. Writing to the Coefficient RAM .......................................................................................................... 82
§4-16. PWM Output ...................................................................................................................................... 82
§4-17. Servo Status Changes Produced by the LOCK Signal ..................................................................... 83
§4-18. Description of Commands and Data Sets ......................................................................................... 83
§4-19. List of Servo Filter Coefficients ........................................................................................................ 107
§4-20. Filter Composition ............................................................................................................................ 109
§4-21. TRACKING and FOCUS Frequency Response .............................................................................. 115
§5. Application Circuit .................................................................................................................................. 116
Explanation of abbreviations
AVRG:
Average
AGCNTL: Auto gain control
FCS:
TRK:
SLD:
DFCT:
Focus
Tracking
Sled
Defect
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SONY [ SONY CORPORATION ]
