GM2115 查看數據表（PDF） - Genesis Microchip

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GM2115

Analog Interface XGA/SXGA OnPanel LCD Panel Controller

Genesis Microchip 

*** Genesis Microchip Confidential ***

gm2115/25 Preliminary Data Sheet

Table Of Contents

1. Overview ............................................................................................................................................ 5

1.1 gm2115/25 System Design Example ........................................................................................... 5

1.2 gm2115/25 Features..................................................................................................................... 6

2. gm2115/25 Pinout .............................................................................................................................. 7

3. gm2115/25 Pin List ............................................................................................................................ 8

4. Functional Description ..................................................................................................................... 14

4.1 Clock Generation ....................................................................................................................... 14

4.1.1 Using the Internal Oscillator with External Crystal............................................................ 15

4.1.2 Using an External Clock Oscillator .................................................................................... 17

4.1.3 Clock Synthesis................................................................................................................... 18

4.2 Hardware Reset .......................................................................................................................... 20

4.3 Analog to Digital Converter (ADC)........................................................................................... 20

4.3.1 ADC Pin Connection .......................................................................................................... 21

4.3.2 ADC Characteristics ........................................................................................................... 21

4.3.3 Clock Recovery Circuit ...................................................................................................... 22

4.3.4 Sampling Phase Adjustment ............................................................................................... 23

4.3.5 ADC Capture Window........................................................................................................ 23

4.4 Test Pattern Generator (TPG) .................................................................................................... 24

4.5 Input Format Measurement (IFM) ............................................................................................. 24

4.5.1 HSYNC / VSYNC Delay.................................................................................................... 24

4.5.2 Horizontal and Vertical Measurement ................................................................................ 25

4.5.3 Format Change Detection ................................................................................................... 26

4.5.4 Watchdog ............................................................................................................................ 26

4.5.5 Internal Odd/Even Field Detection ..................................................................................... 26

4.5.6 Input Pixel Measurement .................................................................................................... 27

4.5.7 Image Phase Measurement ................................................................................................. 27

4.5.8 Image Boundary Detection ................................................................................................. 27

4.5.9 Image Auto Balance............................................................................................................ 27

4.6 RealColor Digital Color Controls .............................................................................................. 27

4.6.1 RealColor Flesh tone Adjustment....................................................................................... 28

4.6.2 Color Standardization and sRGB Support .......................................................................... 28

4.7 High-Quality Scaling ................................................................................................................. 28

4.7.1 Variable Zoom Scaling ....................................................................................................... 28

4.7.2 Horizontal and Vertical Shrink ........................................................................................... 29

4.7.3 Moiré Cancellation ............................................................................................................. 29

4.8 Bypass Options .......................................................................................................................... 29

4.9 Gamma Look-Up-Table (LUT) ................................................................................................. 29

June 2002

1

C2115-DAT-01B

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