CS4297A_06 Datasheet, PDF (4/52 Pages) Cirrus Logic – CrystalClear® SoundFusion™ Audio Codec ‘97

C_CS_S4₄2₂9₉7₇A_A
Figure 11. Differential 2 VRMS CD Input ................................................................................35
Figure 12. Differential 1 VRMS CD Input ................................................................................35
Figure 13. Microphone Input ...................................................................................................36
Figure 14. Microphone Pre-amplifier .......................................................................................36
Figure 15. PC_BEEP Input......................................................................................................36
Figure 16. Modem Connection ................................................................................................37
Figure 17. Alternate Line Output as Headphone Output .........................................................37
Figure 18. Stereo Output.........................................................................................................37
Figure 19. Voltage Regulator ..................................................................................................38
Figure 20. S/PDIF Output........................................................................................................39
Figure 21. Conceptual Layout for the CS4297A......................................................................40
Figure 22. Pin Locations for the CS4297A ..............................................................................41
Figure 23. CS4297A Reference Design ..................................................................................48
LIST OF TABLES
Table 1. Mixer Registers .........................................................................................................19
Table 2. Analog Mixer Output Attenuation ..............................................................................21
Table 3. Microphone Input Gain Values ..................................................................................23
Table 4. Analog Mixer Input Gain Values................................................................................24
Table 5. Stereo Volume Register Index ..................................................................................24
Table 6. Input Mux Selection...................................................................................................25
Table 7. Slot Mapping ............................................................................................................29
Table 8. Device ID with Corresponding Part Number .............................................................31
Table 9. Revision Values.........................................................................................................31
Table 10. Powerdown PR Bit Functions..................................................................................33
Table 11. Powerdown PR Function Matrix ..............................................................................34
Table 12. Power Consumption by Powerdown Mode .............................................................34
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DS318PP6
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