CS8420 datasheet(3/80 Pages) CIRRUS

3 / 80 page

CS8420

DS245PP2

12.3 Power Supply, Grounding, and PCB layout ................................................................... 44

12.4 Synchronization of Multiple CS8420s ............................................................................ 45

12.5 Extended Range Sample Rate Conversion ................................................................... 45

13. SOFTWARE MODE - PIN DESCRIPTION ........................................................................... 46

14. HARDWARE MODES ........................................................................................................... 49

14.1 Overall Description ........................................................................................................ 49

14.1.1 Hardware Mode Definitions ............................................................................... 49

14.1.2 Serial Audio Port Formats ................................................................................. 49

14.2 Hardware Mode 1 Description ....................................................................................... 50

14.2.1 Pin Description - Hardware Mode 1 .................................................................. 51

14.3 Hardware Mode 2 Description ...................................................................................... 53

14.3.1 Pin Description - Hardware Mode 2 .................................................................. 54

14.4 Hardware Mode 3 Description ....................................................................................... 56

14.4.1 Pin Description - Hardware Mode 3 .................................................................. 58

14.5 Hardware Mode 4 Description ....................................................................................... 60

14.5.1 Pin Description - Hardware Mode 4 .................................................................. 62

14.6 Hardware Mode 5 Description ....................................................................................... 64

14.6.1 Pin Description - Hardware Mode 5 .................................................................. 65

14.7 Hardware Mode 6 Description ....................................................................................... 67

14.7.1 Pin Description - Hardware Mode 6 .................................................................. 68

15. APPENDIX A: EXTERNAL AES3/SPDIF/IEC60958

TRANSMITTER AND RECEIVER COMPONENTS .............................................................. 70

15.1 AES3 Transmitter External Components ....................................................................... 70

15.2 AES3 Receiver External Components ........................................................................... 70

15.3 Isolating Transformer Requirements ............................................................................. 71

16. APPENDIX B: CHANNEL STATUS AND USER DATA BUFFER MANAGEMENT .......... 72

16.1 AES3 Channel Status(C) Bit Management .................................................................... 72

16.1.1 Manually accessing the E buffer ....................................................................... 72

16.1.2 Reserving the first 5 bytes in the E buffer ......................................................... 74

16.1.3 Serial Copy Management System (SCMS) ....................................................... 74

16.1.4 Channel Status Data E Buffer Access .............................................................. 74

16.1.5 One Byte mode ................................................................................................. 74

16.1.6 Two Byte mode ................................................................................................. 74

16.2 AES3 User (U) Bit Management .................................................................................... 75

16.2.1 Mode 1: Transmit All Zeros ............................................................................... 75

16.2.2 Mode 2: Block Mode ......................................................................................... 75

16.2.3 IEC60958 Recommended U Data Format For Consumer Applications ............ 75

16.2.4 Mode (3): Reserved .......................................................................................... 76

16.2.5 Mode (4): IEC Consumer B ............................................................................... 76

17. PARAMETER DEFINITIONS ................................................................................................ 77

18. PACKAGE DIMENSIONS .................................................................................................... 78

LIST OF FIGURES

Figure 1. Audio Ports Master Mode Timing..................................................................................... 7

Figure 2. Audio Ports Slave Mode and Data I/O Timing ................................................................. 7

Figure 3. SPI Mode Timing ............................................................................................................. 8

Figure 4. I2C Mode Timing .............................................................................................................. 9

Figure 5. Recommended Connection Diagram for Software Mode .............................................. 10

Figure 6. Software Mode Audio Data Flow Switching Options...................................................... 12

Figure 7. Serial Audio Input, using PLL, SRC enabled ................................................................. 13

Figure 8. Serial Audio Input, No PLL, SRC enabled ..................................................................... 13

Figure 9. AES3 Input, SRC enabled ............................................................................................. 13

Figure 10. Serial Audio Input, AES3 Input Clock Source, SRC Enabled ...................................... 13

CS8420 数据表(PDF) 3 Page - Cirrus Logic

CS8420 数据表(HTML) 3 Page - Cirrus Logic

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80

数据表下载