WM8253

Production Data

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PD, Rev 4.1, August 2011

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TABLE OF CONTENTS

INPUT VIDEO SAMPLING .............................................................................................. 8

 

OUTPUT DATA TIMING .................................................................................................. 8

 

SERIAL INTERFACE....................................................................................................... 9

 

INTRODUCTION ........................................................................................................... 10

 

INPUT SAMPLING ........................................................................................................ 10

 

RESET LEVEL CLAMPING (RLC) ................................................................................ 10

 

CDS/NON-CDS PROCESSING..................................................................................... 12

 

OFFSET ADJUST AND PROGRAMMABLE GAIN........................................................ 12

 

ADC INPUT BLACK LEVEL ADJUST............................................................................ 13

 

OVERALL SIGNAL FLOW SUMMARY ......................................................................... 13

 

CALCULATING OUTPUT FOR ANY GIVEN INPUT ..................................................... 14

 

OUTPUT DATA FORMAT ............................................................................................. 15

 

CONTROL INTERFACE ................................................................................................ 16

 

TIMING REQUIREMENTS ............................................................................................ 16

 

PROGRAMMABLE VSMP DETECT CIRCUIT .............................................................. 17

 

REFERENCES .............................................................................................................. 18

 

POWER SUPPLY .......................................................................................................... 18

 

POWER MANAGEMENT............................................................................................... 18

 

OPERATING MODES ................................................................................................... 18

 

OPERATING MODE TIMING DIAGRAMS .................................................................... 19

 

REGISTER MAP............................................................................................................ 21

 

REGISTER MAP DESCRIPTION .................................................................................. 22

 

ADDRESS: .................................................................................................................... 26