W88113C Просмотр технического описания (PDF) - Winbond

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W88113C

ATAPI CD-ROM Decoder & Controller

Winbond 

W88113C

5.2 MICROCONTROLLER INTERFACE..............................................................................................80

5.2.1 Direct Register Addressing .............................................................................................................80

5.2.2 General I/O.....................................................................................................................................81

5.2.3 Programmable System Clock ..........................................................................................................81

5.3 HOST INTERFACE............................................................................................................................83

5.3.1 Ultra DMA Mode Setting................................................................................................................83

5.3.2 Ultra DMA Data-out.......................................................................................................................83

5.3.3 Ultra DMA Error Handling.............................................................................................................84

5.3.4 Ultra DMA Data-In Transfer Diagram............................................................................................84

5.3.5 Data-in Transfer Flowchart Example ..............................................................................................85

5.3.6 BSY Flag Control ..........................................................................................................................86

5.3.7 Pin HIRQ Control ..........................................................................................................................86

5.4 DECODER LOGIC.............................................................................................................................87

5.4.1 Sync Detection/Insertion .................................................................................................................87

5.4.2 Descramble.....................................................................................................................................87

5.4.3 Disk-Monitor Mode ........................................................................................................................87

5.4.4 Parallel ECC Correction .................................................................................................................87

5.4.5 EDC Checking................................................................................................................................88

5.4.6 Real Time EDC Checking...............................................................................................................88

5.4.7 Decoding Sequence Model ..............................................................................................................88

5.4.8 Disc Format Selection.....................................................................................................................88

5.4.9 CD-DA data & Q-channel Extraction .............................................................................................89

5.4.10 Target Search................................................................................................................................90

5.4.11 Automatic Header Comparison .....................................................................................................90

5.4.12 Status Collection...........................................................................................................................90

5.4.13 Decoder Processing Flow ..............................................................................................................91

5.4.14 Buffer-Independent-Correction .....................................................................................................91

5.4.15 Remove Frequent SRIb & Automatic Cache Management ............................................................92

5.5 AUDIO-PLAYBACK ..........................................................................................................................94

5.5.1 Configuration Phase........................................................................................................................94

5.5.2 Playback Phase ...............................................................................................................................94

5.5.3 IEC-958 Digital Audio Output ........................................................................................................94

5.5.4 Audio Playback Flowchart Example................................................................................................95

6. ORDERING INSTRUCTION..................................................................................96

7. HOW TO READ THE TOP MARKING ..................................................................96

8. PACKAGE DIMENSIONS .....................................................................................97

Publication Release Date: Mar. 1999

- II -

Revision 0.61

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