Confidenti a l dra ft d elphi – Cirrus Logic CS48DV2B User Manual

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CS48DV2B Data Sheet
32-bit Audio DSP for Dedicated Dolby Volume and Audistry by Dolby

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Copyright 2009 Cirrus Logic

DS875F2

CONFIDENTIAL

CONFIDENTI

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List of Figures

Figure 1. RESET Timing ......................................................................................................................................... 12
Figure 2. XTI Timing ............................................................................................................................................... 12
Figure 3. Serial Control Port - SPI Slave Mode Timing........................................................................................... 14
Figure 4. Serial Control Port - SPI Master Mode Timing......................................................................................... 15
Figure 5. Serial Control Port - I

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C Slave Mode Timing ........................................................................................... 16

Figure 6. Serial Control Port - I

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C Master Mode Timing ......................................................................................... 17

Figure 7. Digital Audio Input (DAI) Port Timing Diagram ........................................................................................ 18
Figure 8. Direct Stream Digital - Serial Audio Input Timing..................................................................................... 18
Figure 9. Digital Audio Output Port Timing, Master Mode....................................................................................... 20
Figure 10. Digital Audio Output Timing, Slave Mode (Relationship LRCLK to SCLK) ............................................ 20
Figure 11. CS48DV2B 48-Pin LQFP Pinout Diagram ............................................................................................. 23
Figure 12. 48-Pin LQFP Package Drawing ............................................................................................................. 24

List of Tables

Table 1. CS48DV2B DSP Related Documentation................................................................................................5
Table 2. Device and Firmware Selection Guide.....................................................................................................7
Table 3. Ordering Information ..............................................................................................................................21
Table 4. Environmental, Manufacturing, & Handling Information.........................................................................22

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