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參數資料
| 型號： | CS9211-VNG |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 顯示控制器 |
| 英文描述： | Geode CS9211 Graphics Companion Flat Panel Display Controller |
| 中文描述： | 1024 X 768 PIXELS CRT OR FLAT PNL GRPH DSPL CTLR, PQFP144 |
| 封裝： | LQFP-144 |
| 文件頁數： | 1/62頁 |
| 文件大小： | 1068K |
| 代理商： | CS9211-VNG |
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2000 National Semiconductor Corporation
www.national.com
G
General Description
The National Semiconductor
Geode CS9211 graphics
companion is suitable for systems that use any GX-series
processor (e.g., GX1, GXLV, GXm) along with the
CS5530A I/O companion, also members of the Geode fam-
ily of products.
The CS9211 converts the digital pixel stream output of the
CS5530A to the digital RGB inputs used by standard single
and dual-scan STN LCD display panels. Support is pro-
vided for both color and monochrome dual-scan STN
(DSTN) flat panels up to 1024x768 resolution, and for color
single-scan panels up to 640x480 resolution.
The typical system connection shows how to connect the
CS9211 with other system components. Note that the
external frame buffer is only required for DSTN panels.
Features
I
Supports most SVGA DSTN panels and the VESA FPDI
(Flat Panel Display Interface) Revision 1.0 Specification.
I
Directly interfaces to panels; no external drivers needed
(excluding backlight inverter).
I
Supports 18-bit color pixel input data stream in 6:6:6
format, for a maximum display of 262,144 colors.
I
Supports up to 65 MHz pixel clock (DOTCLK).
I
Supports resolutions up to 1024x768 pixels.
I
Fast display refresh rate, up to 120 Hz for DSTN panels,
achieved by writing both panel halves simultaneously.
I
16- or 24-bit dual-scan color STN (DSTN) support.
I
8- or 16-bit dual-scan monochrome STN (DSTN)
support.
I
8-bit single-scan color STN (SSTN) panel support.
I
TFT panel support provided via pass-through mode.
I
9-, 12- or 18-bit TFT support.
I
9+9 or 12+12-bit, 2 pixels per clock TFT panel support.
I
Frame rate modulation (FRM) allows up to 32 shades of
gray (intensities) for each primary color (R,G,B) with no
loss of spatial resolution.
I
Proprietary dithering algorithm allows display of addi-
tional colors for a maximum of 262,144 colors.
I
Programmable control of input and output sync pulse
widths, delays, and polarities allows interfaces to many
panel types.
I
Programmable panel power sequence controls.
I
Built-in memory controller supports either SDRAM or
EDO memory for the DSTN frame buffer.
I
Configuration via a serial programming interface.
I
Low-power, 3.3V operation.
I
144-pin LQFP (Low-profile Quad Flat Pack).
Typical System Connection
Data
Address & Control
24
4
3
Power Control
Panel Timing
21
16
Panel Data
LCD Panel
(TFT, DSTN,
or SSTN)
Pixel Port
18
4
Pixel Data
18
CS9211
Graphics
Companion
DRAM/SDRAM
(External Frame Buffer)
Serial Configuration
GX-Series
Processor
Geode
Geode
Geode
CS5530A
I/O Companion
Video Port (YUV)
8
Timing Control
4
October 2000
Revision 2.1
Geode CS9211 Graphics Companion
Flat Panel Display Controller
National Semiconductor is a registered trademark of National Semiconductor Corporation.
Geode is a trademark of National Semiconductor Corporation.
For a complete listing of National Semiconductor trademarks, please visit www.national.com/trademarks.
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