CS48AU2B Data Sheet

Dedicated 32-bit Audio DSP for Audyssey Laboratories Technology

4

Copyright 2009 Cirrus Logic

DS876F3

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 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. CS48AU2B, 48-Pin LQFP Pinout .......................................................................................................... 22

Figure 12. 48-Pin LQFP Package Drawing ............................................................................................................. 23

List of Tables

Table 1. CS48AU2B Related Documentation ........................................................................................................5

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

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

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