STAC9752 datasheet(5/95 Pages) IDT

5 / 95 page

STAC9752/9753

TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH HEADPHONE DRIVE, SPDIF OUTPUT MICROPHONE & JACK SENSING

IDT™

STAC9752/9753

REV 3.3 1206

TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH HEADPHONE DRIVE, SPDIF OUTPUT MICROPHONE & JACK SENSING

LIST OF FIGURES

Figure 1. Block Diagram ................................................................................................................................. 8

Figure 2. Cold Reset Timing ......................................................................................................................... 16

Figure 3. Warm Reset Timing ....................................................................................................................... 16

Figure 4. Clocks Timing ............................................................................................................................... 17

Figure 5. Data Setup and Hold Timing ......................................................................................................... 18

Figure 6. Signal Rise and Fall Times Timing ................................................................................................ 18

Figure 7. AC-Link Low Power Mode Timing

.............................................................................................. 19

Figure 8. ATE Test Mode Timing

............................................................................................................... 19

Figure 9. Typical Connection Diagram .......................................................................................................... 20

Figure 10. Split Independent Power Supply Operation ................................................................................. 22

Figure 11. AC-Link to its Companion Controller ........................................................................................... 23

Figure 12. CODEC Clock Source Detection .................................................................................................. 24

Figure 13. STAC9752/9753 Powerdown Timing .......................................................................................... 27

Figure 14. Bi-directional AC-Link Frame with Slot assignments ................................................................... 29

Figure 15. AC-Link Audio Output Frame ...................................................................................................... 33

Figure 16. Start of an Audio Output Frame ................................................................................................... 33

Figure 17. STAC9752/9753 Audio Input Frame ........................................................................................... 36

Figure 18. Start of an Audio Input Frame ...................................................................................................... 36

Figure 19. Bi-directional AC-Link Frame with Slot assignments ................................................................... 41

Figure 20. STAC9752 2-Channel Mixer Functional Diagram ........................................................................ 44

Figure 21. STAC9753 2-Channel Mixer Functional Diagram .......................................................................44

Figure 22. Example of STAC9752/9753 Powerdown/Powerup flow

...........................................................80

Figure 23. Powerdown/Powerup flow with analog still alive ......................................................................... 81

Figure 24. Pin Description Drawing ............................................................................................................... 85

Figure 25. Reflow Profile ..............................................................................................................................90

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