CS4294SLASHCS4298 datasheet(4/81 Pages) CIRRUS

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CS4205

DS489PP4

10.1.3 New Warm Reset .............................................................................................. 59

10.1.4 Register Reset .................................................................................................. 59

10.2 Powerdown Controls ...................................................................................................... 60

11. CLOCKING ........................................................................................................................... 62

11.1 PLL Operation (External Clock) ..................................................................................... 62

11.2 24.576 MHz Crystal Operation ....................................................................................... 62

11.3 Secondary Codec Operation .......................................................................................... 62

12. ANALOG HARDWARE DESCRIPTION ............................................................................... 64

12.1 Analog Inputs ................................................................................................................. 64

12.1.1 Line Inputs ......................................................................................................... 64

12.1.2 CD Input ............................................................................................................ 64

12.1.3 Microphone Inputs ............................................................................................. 65

12.1.4 PC Beep Input ................................................................................................... 65

12.1.5 Phone Input ....................................................................................................... 65

12.2 Analog Outputs .............................................................................................................. 65

12.2.1 Stereo Output .................................................................................................... 66

12.2.2 Mono Output ..................................................................................................... 66

12.3 Miscellaneous Analog Signals ....................................................................................... 66

12.4 Power Supplies .............................................................................................................. 66

12.5 Reference Design ..........................................................................................................67

13. GROUNDING AND LAYOUT .............................................................................................. 68

14. PIN DESCRIPTIONS

....................................................................................................... 70

15. PARAMETER AND TERM DEFINITIONS ............................................................................ 77

16. REFERENCE DESIGN

..................................................................................................... 79

17. REFERENCES ...................................................................................................................... 80

18. PACKAGE DIMENSIONS ..................................................................................................... 81

LIST OF FIGURES

Figure 1. Power Up Timing............................................................................................................ 10

Figure 2. Codec Ready from Start-up or Fault Condition .............................................................. 10

Figure 3. Clocks ............................................................................................................................ 10

Figure 4. Data Setup and Hold...................................................................................................... 11

Figure 5. PR4 Powerdown and Warm Reset ................................................................................ 11

Figure 6. Test Mode ...................................................................................................................... 11

Figure 7. AC-link Connections....................................................................................................... 12

Figure 8. CS4205 Mixer Diagram..................................................................................................14

Figure 9. Digital Signal Path Overview..........................................................................................15

Figure 10. Analog Centric Mode.................................................................................................... 17

Figure 11. Digital Centric Mode..................................................................................................... 17

Figure 12. Host Processing Mode .................................................................................................17

Figure 13. Multi-Channel Mode ..................................................................................................... 17

Figure 14. AC-link Input and Output Framing................................................................................ 18

Figure 15. Serial Data Port: Six Channel Circuit ........................................................................... 54

Figure 16. Digital Docking Connection Diagram ........................................................................... 55

Figure 17. Serial Data Format 0 (I2S) ...........................................................................................56

Figure 18. Serial Data Format 1 (Left Justified) ............................................................................ 56

Figure 19. Serial Data Format 2 (Right Justified, 20-bit data) ....................................................... 56

Figure 20. Serial Data Format 3 (Right Justified, 16-bit data) ....................................................... 56

Figure 21. ZV Port Format (I2S, 16-bit data)................................................................................. 57

Figure 22. S/PDIF Output.............................................................................................................. 58

Figure 23. PLL External Loop Filter............................................................................................... 62

Figure 24. External Crystal............................................................................................................ 63

CS4294/CS4298 数据表(PDF) 4 Page - Cirrus Logic

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