Cirrus-logic CS8406 User Manual download pdf (Page 2)

2 DS580F6

CS8406

TABLE OF CONTENTS

1. CHARACTERISTICS AND SPECIFICATIONS ..................................................................................... 4

SPECIFIED OPERATING CONDITIONS .............................................................................................. 4

ABSOLUTE MAXIMUM RATINGS ........................................................................................................4

DC ELECTRICAL CHARACTERISTICS ............................................................................................... 4

DIGITAL INPUT CHARACTERISTICS .................................................................................................. 5

DIGITAL INTERFACE SPECIFICATIONS ............................................................................................ 5

TRANSMITTER CHARACTERISTICS .................................................................................................. 5

SWITCHING CHARACTERISTICS .......................................................................................................5

SWITCHING CHARACTERISTICS - SERIAL AUDIO PORTS ............................................................. 6

SWITCHING CHARACTERISTICS - CONTROL PORT - SPI MODE................................................... 7

SWITCHING CHARACTERISTICS - CONTROL PORT - I²C MODE.................................................... 8

2. TYPICAL CONNECTION DIAGRAMS .................................................................................................. 9

3. GENERAL DESCRIPTION .................................................................................................................. 11

3.1 AES3 and S/PDIF Standards Documents .................................................................................... 11

4. THREE-WIRE SERIAL INPUT AUDIO PORT ..................................................................................... 12

5. AES3 TRANSMITTER ......................................................................................................................... 13

5.1 TXN and TXP Drivers ................................................................................................................... 13

5.2 Mono Mode Operation .................................................................................................................. 13

5.3 Transmitted Frame and Channel Status Boundary Timing ........................................................... 13

6. CONTROL PORT DESCRIPTION ....................................................................................................... 16

6.1 SPI Mode ...................................................................................................................................... 16

6.2 I²C Mode ....................................................................................................................................... 17

7. CONTROL PORT REGISTER SUMMARY ......................................................................................... 18

8. CONTROL PORT REGISTER BIT DEFINITIONS .............................................................................. 19

8.1 Memory Address Pointer (MAP) ................................................................................................... 19

8.2 Default = ‘000000’Control 1 (01h) ................................................................................................. 19

8.3 Control 2 (02h) .............................................................................................................................. 19

8.4 Data Flow Control (03h) ............................................................................................................... 20

8.5 Clock Source Control (04h) .......................................................................................................... 20

8.6 Serial Audio Input Port Data Format (05h) ................................................................................... 21

8.7 Interrupt 1 Status (07h) (Read Only) ............................................................................................ 22

8.8 Interrupt 2 Status (08h) (Read Only) ............................................................................................ 22

8.9 Interrupt 1 Mask (09h) .................................................................................................................. 22

8.10 Interrupt 1 Mode MSB (0Ah) and Interrupt 1 Mode LSB (0Bh) ................................................... 23

8.11 Interrupt 2 Mask (0Ch) ................................................................................................................ 23

8.12 Interrupt 2 Mode MSB (0Dh) and Interrupt Mode 2 LSB (0Eh) .................................................. 23

8.13 Channel Status Data Buffer Control (12h) ..................................................................................23

8.14 User Data Buffer Control (13h) ................................................................................................... 24

8.15 Channel Status Bit or User Bit Data Buffer (20h - 37h) .............................................................. 24

8.16 CS8406 I.D. and Version Register (7Fh) (Read Only) ................................................................ 24

9. PIN DESCRIPTION - SOFTWARE MODE ....................................................................................... 25

10. HARDWARE MODE .......................................................................................................................... 27

10.1 Channel Status, User and Validity Data ..................................................................................... 27

10.2 Serial Audio Port ......................................................................................................................... 28

11. PIN DESCRIPTION - HARDWARE MODE ....................................................................................... 29

12. APPLICATIONS ................................................................................................................................ 31

12.1 Reset, Power Down and Start-Up ...........................................................................................

... 31

12.

ID Code and Revision Code ....................................................................................................... 31

12.3 Power Supply, Grounding, and PCB layout ................................................................................ 31

12.4 Synchronization of Multiple CS8406s ......................................................................................... 31

13. PACKAGE DIMENSIONS ................................................................................................................ 32

14. ORDERING INFORMATION ............................................................................................................. 34

1 2 3 4 5 6 7 ... 38 39

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Cirrus-logic CS8406 User Manual Page 2

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