GM2120 datasheet, PDF - EEWORLD Datasheet

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GM2120: DescriptionXGA/SXGA LCD Controller; File Size555KB，51 Pages; ManufacturerETC

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XGA/SXGA LCD Controller

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Genesis Microchip Publication

PRELIMINARY DATA SHEET

gm5110/gm5110-H

gm5120/gm5120-H

XGA/SXGA LCD Controller

*** Genesis Microchip Confidential ***

NOTE:

Sections in this data sheet that mention HDCP apply only to the HDCP-enabled chip

versions (gm5110-H and gm5120-H). All other sections apply to all chip versions (gm5110,

gm5110-H, gm5120, and gm5120-H).

Publication number: C5110-DAT-01C

Publication date: June 2002

Genesis Microchip Inc.

2150 Gold Street, Alviso, P.O. Box 2150, CA USA 95002 Tel: (408) 262-6599 Fax: (408) 262-6365

165 Commerce Valley Dr. West, Thornhill, ON Canada L3T 7V8 Tel: (905) 889-5400 Fax: (905) 889-5422

1096, 12thA Main, Hal II Stage, Indira Nagar, Bangalore-560 008, India, Tel: (91)-80-526-3878, Fax: (91)-80-529-6245

4F, No. 24, Ln 123, Sec 6, Min-Chuan E. Rd., Taipei, Taiwan, ROC Tel: 886-2-2791-0118 Fax: 886-2-2791-0196

143-37 Hyundai Tower, #902, Samsung-dong, Kangnam-gu, Seoul, Korea 135-090 Tel 82-2-553-5693 Fax 82-2-552-4942

Rm2614-2618 Shenzhen Office Tower, 6007 Shennan Blvd, 518040, Shenzhen, Guandong, P.R.C., Tel (0755)386-0101, Fax (0755)386-7874

2-9-5 Higashigotanda, Shinagawa-ku, Tokyo, 141-0022, Japan, Tel 81-3-5798-2758, Fax 81-3-5798-2759

www.genesis-microchip.com / info@genesis-microchip.com

***

Genesis Microchip Confidential ***

gm5110/20 Preliminary Data Sheet

Table Of Contents

1. Overview ............................................................................................................................................ 1

1.1 gm5110/20 System Design Example ........................................................................................... 1

1.2 gm5110/20 Features..................................................................................................................... 2

2. gm5110/20 Pinout .............................................................................................................................. 3

3. gm5110/20 Pin List ............................................................................................................................ 4

4. Functional Description ..................................................................................................................... 10

4.1 Clock Generation ....................................................................................................................... 10

4.1.1 Using the Internal Oscillator with External Crystal............................................................ 11

4.1.2 Using an External Clock Oscillator .................................................................................... 13

4.1.3 Clock Synthesis................................................................................................................... 14

4.2 Hardware Reset .......................................................................................................................... 16

4.3 Analog to Digital Converter....................................................................................................... 16

4.3.1 ADC Pin Connection .......................................................................................................... 17

4.3.2 ADC Characteristics ........................................................................................................... 17

4.3.3 Clock Recovery Circuit ...................................................................................................... 18

4.3.4 Sampling Phase Adjustment ............................................................................................... 19

4.3.5 ADC Capture Window........................................................................................................ 19

4.4 DVI Receiver Block................................................................................................................... 20

4.4.1 DVI Receiver Characteristics ............................................................................................. 20

4.4.2 DVI Capture Window ......................................................................................................... 21

4.4.3 HDCP (High-Bandwidth Digital Content Protection) ........................................................ 21

4.5 Test Pattern Generator (TPG) .................................................................................................... 21

4.6 Input Format Measurement........................................................................................................ 22

4.6.1 HSYNC / VSYNC Delay.................................................................................................... 22

4.6.2 Horizontal and Vertical Measurement ................................................................................ 23

4.6.3 Format Change Detection ................................................................................................... 23

4.6.4 Watchdog ............................................................................................................................ 24

4.6.5 Internal Odd/Even Field Detection (For Interlaced Inputs to ADC Only).......................... 24

4.6.6 Input Pixel Measurement .................................................................................................... 24

4.6.7 Image Phase Measurement ................................................................................................. 24

4.6.8 Image Boundary Detection ................................................................................................. 25

4.6.9 Image Auto Balance............................................................................................................ 25

4.7 RealColor

Digital Color Controls .......................................................................................... 25

4.7.1 RealColor™ Flesh tone Adjustment ................................................................................... 25

4.7.2 Color Standardization and sRGB Support .......................................................................... 26

4.8 High-Quality Scaling ................................................................................................................. 26

4.8.1 Variable Zoom Scaling ....................................................................................................... 26

June 2002

iii

C5110-DAT-01C

***

Genesis Microchip Confidential ***

gm5110/20 Preliminary Data Sheet

4.8.2 Horizontal and Vertical Shrink ........................................................................................... 26

4.8.3 Moiré Cancellation ............................................................................................................. 27

4.9 Bypass Options .......................................................................................................................... 27

4.10 Gamma LUT ............................................................................................................................ 27

4.11 Display Output Interface.......................................................................................................... 27

4.11.1 Display Synchronization................................................................................................... 27

4.11.2 Programming the Display Timing .................................................................................... 28

4.11.3 Panel Power Sequencing (PPWR, PBIAS) ....................................................................... 29

4.11.4 Output Dithering ............................................................................................................... 30

4.12 Energy Spectrum Management (ESM) .................................................................................... 30

4.13 OSD.......................................................................................................................................... 30

4.13.1 On-Chip OSD SRAM ....................................................................................................... 31

4.13.2 Color Look-up Table (LUT) ............................................................................................. 32

4.14 On-Chip Microcontroller (OCM)............................................................................................. 32

4.14.1 Standalone Configuration ................................................................................................. 33

4.14.2 Full-Custom Configuration............................................................................................... 34

4.14.3 General Purpose Inputs and Outputs (GPIO’s)................................................................. 35

4.15 Bootstrap Configuration Pins................................................................................................... 35

4.16 Host Interface........................................................................................................................... 36

4.16.1 Host Interface Command Format...................................................................................... 37

4.16.2 2-wire Serial Protocol ....................................................................................................... 37

4.17 Miscellaneous Functions.......................................................................................................... 39

4.17.1 Low Power State............................................................................................................... 39

4.17.2 Pulse Width Modulation (PWM) Back Light Control ...................................................... 39

5. Electrical Specifications ................................................................................................................... 40

5.1 Preliminary DC Characteristics ................................................................................................. 40

5.2 Preliminary AC Characteristics ................................................................................................. 41

6. Ordering Information ....................................................................................................................... 43

7. Mechanical Specifications................................................................................................................ 44

June 2002

C5110-DAT-01C

GM2120 Related Products

	GM2120	GM2110	GM3110	GM5110	GM3120	GM5120	GM5110-H	GM5120-H
Description	XGA/SXGA LCD Controller	XGA/SXGA LCD Controller	XGA/SXGA LCD Controller	XGA/SXGA LCD Controller	XGA/SXGA LCD Controller	XGA/SXGA LCD Controller	XGA/SXGA LCD Controller	XGA/SXGA LCD Controller

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