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CS7808 Datasheet(PDF) 3 Page - Cirrus Logic

Part No. CS7808
Description  MULTI PURPOSE AUDIO/VIDEO EMBEDDED PROCESSOR
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Maker  CIRRUS [Cirrus Logic]
Homepage  http://www.cirrus.com
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CS7808 Datasheet(HTML) 3 Page - Cirrus Logic

 
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CS7808
3.8 Host Interface .................................................................................................................. 21
3.9 MPEG Video Decoding .................................................................................................... 21
3.10 Audio Processing ........................................................................................................... 21
3.11 Soft Modem ...................................................................................................................21
3.12 Video ............................................................................................................................. 21
4. MEMORY MAP ....................................................................................................................... 23
4.1 Processor Memory Map .................................................................................................. 23
4.2 Host Port Memory Map .................................................................................................... 23
4.3 Internal I/O Space Map .................................................................................................... 23
5. REGISTER DESCRIPTION .................................................................................................... 24
5.1 CS7808 Register Space .................................................................................................. 24
6. PIN DESCRIPTION ................................................................................................................. 33
6.1 Pin Assignments .............................................................................................................. 34
6.2 Miscellaneous Interface Pins ........................................................................................... 40
6.3 SDRAM Interface ............................................................................................................. 41
6.4 ROM/NVRAM Interface ................................................................................................... 42
6.5 Video Output Interface ..................................................................................................... 43
6.6 Video Input Interface ....................................................................................................... 44
6.7 Audio Output/Input Interface ............................................................................................ 45
6.8 AC97/CODEC Interface ................................................................................................... 46
6.9 Host Master/ATAPI Interface ........................................................................................... 47
6.10 General Purpose Input/Output (GPIO) .......................................................................... 48
6.11 Power and Ground ........................................................................................................ 49
7. PACKAGE SPECIFICATIONS ............................................................................................... 50
LIST OF FIGURES
Figure 1. Host Timing Diagram .................................................................................................... 7
Figure 2. SDRAM Refresh Transaction ....................................................................................... 8
Figure 3. SDRAM Burst Write Transaction .................................................................................. 8
Figure 4. SDRAM Burst Read Transaction .................................................................................. 9
Figure 5. SDRAM Timing .............................................................................................................9
Figure 6. ROM/RVRAM Timing.................................................................................................. 10
Figure 7. Video Output Timing .................................................................................................. 11
Figure 8. Video Input Timing...................................................................................................... 12
Figure 9. Audio Input Timings .................................................................................................... 13
Figure 10. Audio Output Timing ................................................................................................. 14
Figure 11. CODEC Timing ......................................................................................................... 15
Figure 12. Miscellaneous Timing ............................................................................................... 16
Figure 13. CS7808 Typical Application...................................................................................... 17
Figure 14. CS7808 Block Diagram ............................................................................................ 18
Figure 15. CS7808 Pinouts........................................................................................................ 33
Figure 16. 208-Pin Package Drawing ........................................................................................ 50
LIST OF TABLES
Table 1. Host Interface Symbols / Characterization Data ............................................................ 7
Table 2. SDRAM Interface Symbols and Characterization Data ................................................. 8
Table 3. ROM/NVRAM Interface Symbols and Characterization Data ...................................... 10
Table 4. Video Output Interface Symbols and Characterization Data ....................................... 11
Table 5. Video Input Interface Symbols and Characterization Data .......................................... 12
Table 6. Audio Input Interface Symbols and Characterization Data .......................................... 13
Table 8. AC97/CODEC Interface Symbols and Characterization Data ..................................... 15


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