CS4362
6.2 PCM Mode Select ......................................................................................................................... 28
6.3 Recommended Power-Up Sequence ........................................................................................... 28
6.4 Analog Output and Filtering .......................................................................................................... 28
6.5 Interpolation Filter ......................................................................................................................... 28
6.6 Clock Source Selection ................................................................................................................ 29
6.7 Using DSD Mode .......................................................................................................................... 29
6.8 Recommended Procedure for Switching Operational Modes ....................................................... 29
7. CONTROL PORT INTERFACE ........................................................................................................... 30
7.1 Enabling the Control Port ............................................................................................................. 30
7.2 Format Selection .......................................................................................................................... 30
7.3 I²C Format .................................................................................................................................... 30
7.3.1 Writing in I²C Format ........................................................................................................ 30
7.3.2 Reading in I²C Format ...................................................................................................... 30
7.4 SPI Format ................................................................................................................................... 31
7.4.1 Writing in SPI ................................................................................................................... 31
7.5 Memory Address Pointer (MAP) ................................................................................................... 32
7.5.1 INCR (Auto Map Increment Enable) ................................................................................ 32
7.5.2 MAP4-0 (Memory Address Pointer) ................................................................................. 32
8. FILTER PLOTS
9. DIAGRAMS
........................................................................................................................... 33
...................................................................................................................... 37
10. PARAMETER DEFINITIONS ............................................................................................................. 40
11. REFERENCES ................................................................................................................................... 40
12. PACKAGE DIMENSIONS ................................................................................................................. 41
13. ORDERING INFORMATION ............................................................................................................ 42
14. REVISION HISTORY ........................................................................................................................ 42
LIST OF FIGURES
Figure 1. Serial Mode Input Timing.............................................................................................................. 9
Figure 2. Direct Stream Digital - Serial Audio Input Timing........................................................................ 10
Figure 3. Control Port Timing - I²C Format................................................................................................. 11
Figure 4. Control Port Timing - SPI Format................................................................................................ 12
Figure 5. Typical Connection Diagram Control Port................................................................................... 13
Figure 6. Typical Connection Diagram Stand-Alone.................................................................................. 14
Figure 7. Control Port Timing, I²C Format.................................................................................................. 31
Figure 8. Control Port Timing, SPI Format................................................................................................. 31
Figure 9. Single-Speed (fast) Stopband Rejection..................................................................................... 33
Figure 10. Single-Speed (fast) Transition Band......................................................................................... 33
Figure 11. Single-Speed (fast) Transition Band (detail).......................................................................... 33
Figure 12. Single-Speed (fast) Passband Ripple....................................................................................... 33
Figure 13. Single-Speed (slow) Stopband Rejection ................................................................................. 33
Figure 14. Single-Speed (slow) Transition Band........................................................................................ 33
Figure 15. Single-Speed (slow) Transition Band (detail)........................................................................... 34
Figure 16. Single-Speed (slow) Passband Ripple...................................................................................... 34
Figure 17. Double-Speed (fast) Stopband Rejection ................................................................................. 34
Figure 18. Double-Speed (fast) Transition Band........................................................................................ 34
Figure 19. Double-Speed (fast) Transition Band (detail)............................................................................ 34
Figure 20. Double-Speed (fast) Passband Ripple...................................................................................... 34
Figure 21. Double-Speed (slow) Stopband Rejection................................................................................ 35
Figure 22. Double-Speed (slow) Transition Band ...................................................................................... 35
Figure 23. Double-Speed (slow) Transition Band (detail) .......................................................................... 35
Figure 24. Double-Speed (slow) Passband Ripple .................................................................................... 35
Figure 25. Quad-Speed (fast) Stopband Rejection.................................................................................... 35
Figure 26. Quad-Speed (fast) Transition Band .......................................................................................... 35
DS257F2
3
CIRRUS [ CIRRUS LOGIC ]
