CS8427

DS477F5

3

11.14 Receiver Error (10h) (Read Only)................................................................................. 35

11.15 Receiver Error Mask (11h) ........................................................................................... 36

11.16 Channel Status Data Buffer Control (12h).................................................................... 36

11.17 User Data Buffer Control (13h)..................................................................................... 37

11.18 Q-Channel Subcode Bytes 0 to 9 (14h - 1Dh) (Read Only) ......................................... 37

11.19 OMCK/RMCK Ratio (1Eh) (Read Only)........................................................................ 38

11.20 C-bit or U-bit Data Buffer (20h - 37h) ........................................................................... 38

11.21 CS8427 I.D. and Version Register (7Fh) (Read Only) ................................................. 38

12. PIN DESCRIPTION - SOFTWARE MODE ........................................................................... 39

13. HARDWARE MODE DESCRIPTION ................................................................................... 42

13.1 Serial Audio Port Formats ............................................................................................. 42

14. PIN DESCRIPTION - HARDWARE MODE .......................................................................... 44

15. APPLICATIONS ................................................................................................................... 46

15.1 Reset, Power Down and Start-up .................................................................................. 46

15.2 ID Code and Revision Code .......................................................................................... 46

15.3 Power Supply, Grounding, and PCB layout ................................................................... 46

15.4 Synchronization of Multiple CS8427s ............................................................................ 46

16. PACKAGE DIMENSIONS .................................................................................................... 47

17. ORDERING INFORMATION ............................................................................................... 49

18. APPENDIX A: EXTERNAL AES3/SPDIF/IEC60958 TRANSMITTER AND RECEIVER COMPO-

NENTS .................................................................................................................................. 50

18.1 AES3 Transmitter External Components ....................................................................... 50

18.2 Isolating Transformer Requirements ............................................................................. 50

18.3 AES3 Receiver External Components ........................................................................... 51

18.4 Isolating Transformer Requirements ............................................................................. 51

19. APPENDIX B: CHANNEL STATUS AND USER DATA BUFFER MANAGEMENT ........... 52

19.1 AES3 Channel Status(C) Bit Management .................................................................... 52

19.1.1 Manually accessing the E buffer ....................................................................... 52

19.1.2 Reserving the first 5 bytes in the E buffer ......................................................... 53

19.1.3 Serial Copy Management System (SCMS) ....................................................... 53

19.1.4 Channel Status Data E Buffer Access .............................................................. 53

19.2 AES3 User (U) Bit Management .................................................................................... 54

19.2.1 Mode 1: Transmit All Zeros ............................................................................... 54

19.2.2 Mode 2: Block Mode ......................................................................................... 54

20. APPENDIX C: PLL FILTER .................................................................................................. 55

20.1 General .......................................................................................................................... 55

20.2 External Filter Components ........................................................................................... 56

20.2.1 General ............................................................................................................. 56

20.2.2 Capacitor Selection ........................................................................................... 56

20.2.3 Circuit Board Layout ......................................................................................... 56

20.3 Component Value Selection .......................................................................................... 57

20.3.1 Identifying the Part Revision ............................................................................. 57

20.3.2 Locking to the RXP/RXN Receiver Inputs ......................................................... 57

20.3.3 Locking to the ILRCK Input ............................................................................... 58

20.3.4 Jitter Tolerance ................................................................................................. 58

20.3.5 Jitter Attenuation ............................................................................................... 59

21. REVISION HISTORY ............................................................................................................ 60