CS4205 Datasheet, PDF (5/80 Pages) Cirrus Logic – CrystalClear Audio Codec 97 with Portable Computing

CS4205
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. CS4205 Mixer Diagram ..................................................................................... 15
Figure 9. Digital Signal Path Overview ............................................................................. 16
Figure 10. Analog Centric Mode ....................................................................................... 18
Figure 11. Digital Centric Mode ........................................................................................ 18
Figure 12. Host Processing Mode .................................................................................... 18
Figure 13. Multi-Channel Mode ........................................................................................ 18
Figure 14. AC-link Input and Output Framing ................................................................... 19
Figure 15. Serial Data Port: Six Channel Circuit .............................................................. 53
Figure 16. Digital Docking Connection Diagram...............................................................54
Figure 17. Serial Data Format 0 (I2S) .............................................................................. 55
Figure 18. Serial Data Format 1 (Left Justified)................................................................ 55
Figure 19. Serial Data Format 2 (Right Justified, 20-bit data) .......................................... 55
Figure 20. Serial Data Format 3 (Right Justified, 16-bit data) .......................................... 55
Figure 21. ZV Port Format (I2S, 16-bit data) .................................................................... 56
Figure 22. S/PDIF Output ................................................................................................. 57
Figure 23. PLL External Loop Filter ..................................................................................62
Figure 24. External Crystal ...............................................................................................62
Figure 25. Line Input (Replicate for Video and AUX) ....................................................... 64
Figure 26. Differential 2 VRMS CD Input.......................................................................... 64
Figure 27. Differential 1 VRMS CD Input.......................................................................... 64
Figure 28. Microphone Input............................................................................................. 65
Figure 29. PC_BEEP Input ...............................................................................................65
Figure 30. Modem Connection .........................................................................................65
Figure 31. Stereo Output .................................................................................................. 66
Figure 32. +5V Analog Voltage Regulator ........................................................................ 66
Figure 33. Conceptual Layout for the CS4205 when in XTAL or OSC Clocking Modes .. 68
Figure 34. Pin Locations for the CS4205.......................................................................... 69
Figure 35. CS4205 Reference Design.............................................................................. 77
DS489PP2
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