CS4201 Datasheet, PDF (5/68 Pages) Cirrus Logic – CrystalClear Audio Codec 97 with headphone Amplifier

CS4201
LIST OF FIGURES
Figure 1. Power Up Timing ...............................................................................................11
Figure 2. Codec Ready from Start-up or Fault Condition ................................................. 11
Figure 3. Clocks................................................................................................................ 11
Figure 4. Data Setup and Hold .........................................................................................12
Figure 5. PR4 Powerdown and Warm Reset.................................................................... 12
Figure 6. Test Mode ......................................................................................................... 12
Figure 7. AC-link Connections .......................................................................................... 13
Figure 8. CS4201 Mixer Diagram ..................................................................................... 15
Figure 9. AC-link Input and Output Framing .....................................................................16
Figure 10. Serial Data Port: Six Channel Circuit .............................................................. 40
Figure 11. Serial Data Format 0 (I2S) .............................................................................. 42
Figure 12. Serial Data Format 1 (Left Justified)................................................................ 42
Figure 13. Serial Data Format 2 (Right Justified, 20-bit data) .......................................... 42
Figure 14. Serial Data Format 3 (Right Justified, 16-bit data) .......................................... 42
Figure 15. S/PDIF Output ................................................................................................. 43
Figure 16. PLL External Loop Filter ..................................................................................48
Figure 17. External Crystal ...............................................................................................48
Figure 18. Line Input (Replicate for Video and AUX) ....................................................... 50
Figure 19. Differential 2 VRMS CD Input.......................................................................... 50
Figure 20. Differential 1 VRMS CD Input.......................................................................... 50
Figure 21. Microphone Input............................................................................................. 51
Figure 22. PC_BEEP Input ...............................................................................................51
Figure 23. Modem Connection .........................................................................................51
Figure 24. Line Out and Headphone Out Setup ...............................................................52
Figure 25. Line Out/Headphone Out Setup ...................................................................... 52
Figure 26. +5V Analog Voltage Regulator ........................................................................ 53
Figure 27. Conceptual Layout for the CS4201 when in XTAL or OSC Clocking Modes .. 55
Figure 28. Pin Locations for the CS4201.......................................................................... 56
Figure 29. CS4201 Reference Design.............................................................................. 64
DS483PP3
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