STAC9721 datasheet(3/48 Pages) ETC1

3 / 48 page

SigmaTel, Inc.

Data Sheet

STAC9721

04/07/00

Table 21. Cold Reset

Table 22. Warm Reset

Table 23. Clocks

Table 24. Data Setup and Hold

Table 25. Signal Rise and Fall Times

Table 26. AC-Link Low Power Mode Timing

Table 27. ATE Test Mode

Table 28. Operating Conditions

Table 33: Power Consumption 39

Table 34: Power Consumption at 3.3V Analog 39

Table 35: Reduced Analog Power Settings

Table 30. AC-Link Static Specifications

Table 31. Analog Performance Characteristics 41

Table 32. Analog Performance Characteristics 43

Table of Contents – Figures

Figure 1. Package Outline ..................................... 4

Figure 2. STAC9721/23 Block Diagram............... 5

Figure 3. AC-Link to its companion controller .. 10

Figure 4. Bi-directional Audio Frame ................. 12

Figure 5. AC-Link Audio Output Frame .......... 12

Figure 6. Start of an Audio Output Frame ....... 13

Figure 7. STAC9721/23 Audio Input Frame ..... 16

Figure 8. Start of an Audio Input Frame ........... 16

Figure 9. STAC9721/23 Powerdown Timing ..... 18

Figure 10. STAC9721/23 Mixer ......................... 19

Figure 11. Powerdown/Powerup flow.................. 29

Figure 12. Powerdown/Powerup flow ................. 30

Figure 13. Cold Reset........................................... 33

Figure 14. Warm Reset........................................ 34

Figure 15. Clocks.................................................. 34

Figure 16. Data Setup and Hold.......................... 35

Figure 17. Signal Rise and Fall Times ................ 35

Figure 18. AC-Link Low Power Mode Timing.. 36

Figure 19. ATE Test Mode .................................. 37

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