STAC9752AXTAEYYX datasheet(4/106 Pages) IDT

Il numero della parte	STAC9752AXTAEYYX

Spiegazioni elettronici	AC??7 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK

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STAC9752A/9753A

AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK

PC AUDIO

IDT™

4

STAC9752A/9753A

V 1.5 1206

AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK

LIST OF FIGURES

Figure 1. STAC9752A/9753A 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 ............................................................................................... 19

Figure 7. AC-Link Low Power Mode Timing .................................................................................................. 19

Figure 8. ATE Test Mode Timing ................................................................................................................... 20

Figure 9. STAC9752A/9753A Typical Connection Diagram 48-pin LQFP .................................................... 21

Figure 10. STAC9752A/9753A Typical Connection Diagram 32-pad QFN

................................................. 22

Figure 11. Split Connection Diagram 32-pad QFN ....................................................................................... 24

Figure 12. AC-Link to its Companion Controller ........................................................................................... 25

Figure 13. STAC9752A/9753A Powerdown Timing ...................................................................................... 29

Figure 14. Bi-directional AC-Link Frame with Slot assignments ................................................................... 31

Figure 15. AC-Link Audio Output Frame ...................................................................................................... 35

Figure 16. Start of an Audio Output Frame ................................................................................................... 35

Figure 17. STAC9752A/9753A Audio Input Frame ....................................................................................... 38

Figure 18. Start of an Audio Input Frame ..................................................................................................... 39

Figure 19. Bi-directional AC-Link Frame with Slot assignments ....................................................................43

Figure 20. AC-Link Input Slots Dedicated To CODEC .................................................................................. 44

Figure 21. STAC9752A/9753A 2-Channel Mixer Functional Diagram .......................................................... 47

Figure 22. Example of STAC9752A/9753A Powerdown/Powerup Flow ....................................................... 85

Figure 23. Powerdown/Powerup Flow With Analog Still Alive

..................................................................... 86

Figure 24. Pin Description Drawing .............................................................................................................. 90

Figure 25. STAC9752A/9753A 32 pad QFN Pin Description Drawing ......................................................... 92

Figure 26. Package Drawing - 48-pin LQFP .................................................................................................. 98

Figure 27. Package Drawing - 32-pad QFN .................................................................................................. 99

Figure 28. Recommended PCB Layout for 32-pad QFN Package .............................................................. 100

Figure 29. Reflow Profile ............................................................................................................................ 101

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