GMZAN3 Datasheet, PDF (3/53 Pages) List of Unclassifed Manufacturers – XGA ALALOG INTERFACE LCD MONITOR CONTROLLER

gmZAN3 Preliminary Data Sheet
Table Of Contents
1 Overview ........................................................................................................................................8
1.1 gmZAN3 System Design Examples ......................................................................................8
1.2 gmZAN3 Features .................................................................................................................9
2 gmZAN3 Pinout ...........................................................................................................................10
3 gmZAN3 Pin List .........................................................................................................................12
4 Functional Description .................................................................................................................19
4.1 Clock Generation.................................................................................................................19
4.1.1 Using the Internal Oscillator with External Crystal ........................................................19
4.1.2 Using an External Clock Oscillator.................................................................................22
4.1.3 Clock Synthesis ...............................................................................................................23
4.2 Hardware Reset ...................................................................................................................24
4.3 Analog to Digital Converter ................................................................................................26
4.3.1 ADC Pin Connection.......................................................................................................26
4.3.2 ADC Characteristics........................................................................................................28
4.3.3 Clock Recovery Circuit...................................................................................................28
4.3.4 Sampling Phase Adjustment............................................................................................29
4.3.5 Integrated Schmitt Trigger for Horizontal and Vertical Sync input................................29
4.3.6 SOG and CSYNC support...............................................................................................30
4.3.7 ADC Capture Window ....................................................................................................31
4.4 Test Pattern Generator (TPG)..............................................................................................32
4.5 Input Format Measurement .................................................................................................33
4.5.1 Horizontal and Vertical Measurement ............................................................................33
4.5.2 Format Change Detection................................................................................................33
4.5.3 Watchdog ........................................................................................................................34
4.5.4 Internal Odd/Even Field Detection (For Interlaced Inputs to ADC Only) ......................34
4.5.5 Input Pixel Measurement ................................................................................................34
4.5.6 Image Phase Measurement..............................................................................................34
4.5.7 Image Boundary Detection..............................................................................................34
4.5.8 Image Auto Balance ........................................................................................................34
4.6 High-Quality Scaling...........................................................................................................35
4.6.1 Variable Zoom Scaling....................................................................................................35
4.6.2 Horizontal & Vertical Shrink ..........................................................................................35
4.7 Gamma LUT........................................................................................................................35
4.8 Display Output Interface .....................................................................................................35
4.8.1 Display Synchronization .................................................................................................35
C0523-DAT-01G
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Genesis Microchip Confidential
http://www.genesis-microchip.com
July 2003