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PDF ( 数据手册 , 数据表 ) GM2120

零件编号 GM2120
描述 (GM2110 / GM2120) XGA/SXGA LCD Monitor Controller
制造商 Genesis
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GM2120 数据手册, 描述, 功能
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Genesis Microchip Publication
PRELIMINARY DATA SHEET
gm2110 / gm2120
XGA/SXGA LCD Monitor Controller with
Integrated Analog Interface
*** Genesis Microchip Confidential ***
Publication number: C2120-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 / [email protected]







GM2120 pdf, 数据表
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*** Genesis Microchip Confidential ***
gm2110/20 Preliminary Data Sheet
1. OVERVIEW
The gm2110/20 is a graphics processing IC for Liquid Crystal Display (LCD) monitors at
XGA/SXGA resolution. It provides all key IC functions required for the highest quality LCD
monitors. On-chip functions include a high-speed triple-ADC and PLL, a high quality zoom and
shrink scaling engine, an on-screen display (OSD) controller, digital color controls and an on-
chip microcontroller (OCM). With this level of integration, the gm2110/20 devices simplify and
reduce the cost of LCD monitors while maintaining a high-degree of flexibility and quality.
1.1 gm2110/20 System Design Example
Figure 1 below shows a typical dual interface LCD monitor system based on the gm2110/20.
Designs based on the gm2110/20 have reduced system cost, simplified hardware and firmware
design and increased reliability because only a minimal number of components are required in
the system.
Analog
RGB
gm2110/20
LCD Module
Back-light
NVRAM
EEPROM
(optional)
Figure 1.
gm2110/20 System Design Example
June 2002
1 C2120-DAT-01C







GM2120 equivalent, schematic
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*** Genesis Microchip Confidential ***
gm2110/20 Preliminary Data Sheet
Pin Name
RVDD
RVSS
Table 10. I/O Power and Ground Pins
No I/O Description
2 P Connect to 3.3V supply.
20 P Must be bypassed with a 0.1uF capacitor to RVSS (as close to the pin as possible).
37 P
53 P
67 P
81 P
97 P
111 P
129 P
3 G Connect to digital ground.
21 G
38 G
54 G
68 G
82 G
98 G
112 G
130 G
Pin Name
Table 11. Core Power and Ground Pins
No I/O Description
CVDD_2.5
26 P Connect to 2.5V supply.
88 P Must be bypassed with a 0.1uF capacitor to CVSS (as close to the pin as possible).
134 P
203 P
CVSS
27 G Connect to digital ground.
89 G
133 G
135 G
202 G
Note, “AP” indicates a power supply that is analog in nature and does not have large switching
currents. These should be isolated from other digital supplies that do have large switching currents.
June 2002
9 C2120-DAT-01C










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