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GS9023B

GENLINX® II GS9023B Embedded Audio CODEC

Gennum -> Semtech 

Contents

Key Features........................................................................................................................................................1

Applications.........................................................................................................................................................1

Brief Description ................................................................................................................................................1

1. Pin Connections .............................................................................................................................................5

1.1 Pin Descriptions ................................................................................................................................5

2. Electrical Characteristics ......................................................................................................................... 10

2.1 Absolute Maximum Ratings ....................................................................................................... 10

2.2 DC Electrical Characteristics ..................................................................................................... 10

2.3 AC Electrical Characteristics ..................................................................................................... 11

2.4 Solder Reflow Profiles .................................................................................................................. 14

3. Detailed Description.................................................................................................................................. 15

3.1 Multiplex Mode .............................................................................................................................. 15

3.1.1 Video Clock Input.............................................................................................................. 15

3.1.2 Video Data Input................................................................................................................ 15

3.1.3 Video Data Output ............................................................................................................ 17

3.1.4 Audio Clock Input ............................................................................................................. 17

3.1.5 Audio Data Input ............................................................................................................... 17

3.1.6 Control Code Input............................................................................................................ 18

3.1.7 Audio Data Packets........................................................................................................... 20

3.1.8 Extended Audio Data Packets....................................................................................... 24

3.1.9 Audio Control Packets ..................................................................................................... 27

3.1.10 Arbitrary Data Packets .................................................................................................. 31

3.1.11 Error Detection................................................................................................................. 33

3.2 Demultiplex Mode ........................................................................................................................ 34

3.2.1 Video Clock Input.............................................................................................................. 34

3.2.2 Video Data Input................................................................................................................ 34

3.2.3 Video Data Output ............................................................................................................ 34

3.2.4 Audio Clock Input ............................................................................................................. 35

3.2.5 Audio Data Output............................................................................................................ 36

3.2.6 Control Code Output ........................................................................................................ 38

3.2.7 Detection of Audio Packets ............................................................................................ 38

3.2.8 Detection of Extended Audio Packets........................................................................ 39

3.2.9 Detection of Audio Control Packets ............................................................................ 40

3.2.10 Detection and Output of Arbitrary Data Packets ................................................. 40

3.2.11 Error Detection................................................................................................................. 40

3.3 Multiplex and Demultiplex Modes .......................................................................................... 41

3.3.1 Delay of Video and Audio .............................................................................................. 41

3.3.2 Non-Standard Sample Distributions ........................................................................... 41

3.3.3 Host Interface...................................................................................................................... 41

3.3.4 Reset....................................................................................................................................... 41

3.3.5 Interconnection with GS9032 or GS7005 .................................................................. 42

3.3.6 Audio Clock and Video Clock Stability in Multiplex Mode................................. 42

GS9023B GENLINX® II GS9023B Embedded Audio

CODEC

Data Sheet

37954 - 2

December 2009

3 of 56

Proprietary & Confidential

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