CS48540 datasheet(4/26 Pages) CIRRUS

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CS485xx Family Data Sheet

32-bit Audio Decoder DSP Family

DS734F3

CONFIDENTIAL

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 - I2C Slave Mode Timing ........................................................................................... 16

Figure 6. Serial Control Port - I2C Master Mode Timing ......................................................................................... 17

Figure 7. Digital Audio Input (DAI) Port Timing Diagram ........................................................................................ 17

Figure 8. Direct Stream Digital - Serial Audio Input Timing..................................................................................... 18

Figure 9. Digital Audio Output Port Timing, Master Mode....................................................................................... 19

Figure 10. Digital Audio Output Timing, Slave Mode (Relationship LRCLK to SCLK) ............................................ 19

Figure 11. CS48520, 48-Pin LQFP Pinout .............................................................................................................. 22

Figure 12. CS48540, 48-Pin LQFP Pinout .............................................................................................................. 23

Figure 13. CS48560, 48-Pin LQFP Pinout .............................................................................................................. 24

Figure 14. 48-Pin LQFP Package Drawing ............................................................................................................. 25

List of Tables

Table 1. CS485xx Family Related Documentation ................................................................................................5

Table 2. Device and Firmware Selection Guide.....................................................................................................7

Table 3. Ordering Information ..............................................................................................................................20

Table 4. Environmental, Manufacturing, & Handling Information.........................................................................21

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