CXD2587 Ver la hoja de datos (PDF) - Sony Semiconductor
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CXD2587 Datasheet PDF : 106 Pages
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CXD2587Q
Contents
§1. CPU Interface
§1-1. CPU Interface Timing ........................................................................................................................ 13
§1-2. CPU Interface Command Table ........................................................................................................ 13
§1-3. CPU Command Presets .................................................................................................................... 23
§1-4. Description of SENS Signals and Commands ................................................................................... 28
§2. Subcode Interface
§2-1. 80-bit Sub Q Readout ........................................................................................................................ 42
§3. Description of Other Functions
§3-1. Channel Clock Regeneration by the Digital PLL Circuit .................................................................... 45
§3-2. Frame Sync Protection ...................................................................................................................... 46
§3-3. Error Correction ................................................................................................................................. 46
§3-4. DA Interface ....................................................................................................................................... 47
§3-5. Digital Out .......................................................................................................................................... 49
§3-6. Servo Auto Sequence ....................................................................................................................... 49
§3-7. Digital CLV ......................................................................................................................................... 56
§3-8. CD-DSP Block Playback Speed ........................................................................................................ 57
§3-9. DAC Block Playback Speed .............................................................................................................. 57
§3-10. Description of DAC Block Functions .................................................................................................. 58
§3-11. LPF Block .......................................................................................................................................... 61
§3-12. Asymmetry Compensation ................................................................................................................ 62
§3-13. CD TEXT Data Demodulation ........................................................................................................... 63
§4. Description of Servo Signal Processing System Functions and Commands
§4-1. General Description of Servo Signal Processing System .................................................................. 65
§4-2. Digital Servo Block Master Clock (MCK) ........................................................................................... 66
§4-3. AVRG Measurement and Compensation .......................................................................................... 66
§4-4. E:F Balance Adjustment Function ..................................................................................................... 68
§4-5. FCS Bias Adjustment Function .......................................................................................................... 68
§4-6. AGCNTL Function ............................................................................................................................. 70
§4-7. FCS Servo and FCS Search ............................................................................................................. 72
§4-8. TRK and SLD Servo Control ............................................................................................................. 73
§4-9. MIRR and DFCT Signal Generation .................................................................................................. 74
§4-10. DFCT Countermeasure Circuit .......................................................................................................... 75
§4-11. Anti-Shock Circuit .............................................................................................................................. 75
§4-12. Brake Circuit ...................................................................................................................................... 76
§4-13. COUT Signal ..................................................................................................................................... 77
§4-14. Serial Readout Circuit ........................................................................................................................ 77
§4-15. Writing to the Coefficient RAM .......................................................................................................... 78
§4-16. PWM Output ...................................................................................................................................... 78
§4-17. Servo Status Changes Produced by the LOCK Signal ..................................................................... 80
§4-18. Description of Commands and Data Sets ......................................................................................... 80
§4-19. List of Servo Filter Coefficients .......................................................................................................... 95
§4-20. Filter Composition .............................................................................................................................. 97
§4-21. TRACKING and FOCUS Frequency Response .............................................................................. 104
§5. Application Circuit .................................................................................................................................. 105
Explanation of abbreviations
AVRG: Average
AGCNTL: Auto gain control
FCS: Focus
TRK: Tracking
SLD:
Sled
DFCT: Defect
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