CS4299-KQ Просмотр технического описания (PDF) - Cirrus Logic

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CS4299-KQ

CrystalClear SoundFusion™ Audio Codec ’97

Cirrus Logic 

CS4299

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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