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CS497014 Datasheet(PDF) 3 Page - Cirrus Logic

Part No. CS497014
Description  High Definition Audio Decoder DSP Family with Dual 32-bit Engine Technology
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Maker  CIRRUS [Cirrus Logic]
Homepage  http://www.cirrus.com
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CS497014 Datasheet(HTML) 3 Page - Cirrus Logic

 
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CS4970x4 Data Sheet
32-bit High Definition Audio Decoder DSP Family
DS752F1
3
List of Figures
Figure 1. RESET Timing .........................................................................................................................................11
Figure 2. XTI Timing ..............................................................................................................................................11
Figure 3. Serial Control Port - SPI Slave Mode Timing ..........................................................................................13
Figure 4. Serial Control Port - SPI Master Mode Timing ........................................................................................14
Figure 5. Serial Control Port - I2C Slave Mode Timing ..........................................................................................15
Figure 6. Serial Control Port - I2C Master Mode Timing ........................................................................................16
Figure 7. Parallel Control Port - IntelÒ Slave Mode Read Cycle ...........................................................................17
Figure 8. Parallel Control Port - Intel Slave Mode Write Cycle ..............................................................................18
Figure 9. Parallel Control Port - MotorolaÒ Slave Mode Read Cycle Timing ........................................................20
Figure 10. Parallel Control Port - Motorola Slave Mode Write Cycle Timing .........................................................20
Figure 11. Digital Audio Input (DAI) Port Timing Diagram .....................................................................................21
Figure 12. DAI Slave Timing Diagram ...................................................................................................................21
Figure 13. Digital Audio Port Output Timing Master Mode .....................................................................................22
Figure 14. Digital Audio Output Timing, Slave Mode (Relationship LRCLK to SCLK) ...........................................23
Figure 15. External Memory Interface - SDRAM Burst Read Cycle .......................................................................24
Figure 16. External Memory Interface - SDRAM Burst Write Cycle .......................................................................24
Figure 17. External Memory Interface - SDRAM Auto Refresh Cycle ....................................................................25
Figure 18. External Memory Interface - SDRAM Load Mode Register Cycle ........................................................26
Figure 19. 128-Pin LQFP Pin-Out Diagram ...........................................................................................................28
Figure 20. 128-Pin LQFP Package Drawing ..........................................................................................................29
List of Tables
Table 1. CS4970x4 Related Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Table 2. Device and Firmware Selection Guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Table 3. CS4970x4 DSP Memory Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Table 4. Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Table 5. Environmental, Manufacturing, & Handling Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Table 6. 128-Pin LQFP Package Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29


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