CS9211-VNG ,Geode Graphics Companion Flat Panel Display Controller [Life-time buy]Table of Contents1.0 ArchitectureOverview .. 42.0 SignalDefinitions ...... 52.1 PIN ASSIGNMENTS . . ..
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CS9211-VNG
Geode Graphics Companion Flat Panel Display Controller [Life-time buy]
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General DescriptionThe National Semiconductor® Geode™ CS9211 graphics
companionis suitablefor systems that use any GX-series
processor (e.g., GX1, GXLV, GXm) along with the
CS5530AI/O companion, also membersof the Geode fam-
ilyof products.
The CS9211 converts the digital pixel stream outputof the
CS5530Ato the digital RGB inputs usedby standard single
and dual-scan STN LCD display panels. Supportis pro-
vided for both color and monochrome dual-scan STN
(DSTN)flat panelsupto 1024x768 resolution, andfor color
single-scan panelsupto 640x480 resolution.
The typical system connection shows howto connect the
CS9211 with other system components. Note that the
external frame bufferis only requiredfor DSTN panels.
Features Supports most SVGA DSTN panels andthe VESA FPDI
(Flat Panel Display Interface) Revision 1.0 Specification. Directly interfacesto panels;no external drivers needed
(excluding backlight inverter). Supports 18-bit color pixel input data streamin 6:6:6
format,fora maximum displayof 262,144 colors. Supportsup to65MHz pixel clock (DOTCLK). Supports resolutionsupto 1024x768 pixels. Fast display refresh rate,upto 120Hzfor DSTN panels,
achievedby writing both panel halves simultaneously. 16-or 24-bit dual-scan color STN (DSTN) support. 8-or 16-bit dual-scan monochrome STN (DSTN)
support. 8-bit single-scan color STN (SSTN) panel support. TFT panel support providedvia pass-through mode. 9-, 12-or 18-bit TFT support. 9+9or 12+12-bit,2 pixels per clock TFT panel support. Frame rate modulation (FRM) allowsupto32 shadesof
gray (intensities)for each primary color (R,G,B) withno
lossof spatial resolution. Proprietary dithering algorithm allows displayof addi-
tional colorsfora maximumof 262,144 colors. Programmable controlof input and output sync pulse
widths, delays, and polarities allows interfacesto many
panel types. Programmable panel power sequence controls. Built-in memory controller supports either SDRAMor
EDO memoryfor the DSTN frame buffer. Configurationviaa serial programming interface. Low-power, 3.3V operation. 144-pin LQFP (Low-profile Quad Flat Pack).
Typical System ConnectionData Address& ControlPower Control
Panel Timing16
Panel Data
LCD PanelPixel Port 18
Pixel Data 18
CS9211
GraphicsDRAM/SDRAM
Serial Configuration
Companion
GX-Series
Geode™ Geode™Geode™Video Port (YUV) 8
Timing Control
Processor(TFT, DSTN,
(External Frame Buffer)
CS5530A
I/O Companion or SSTN)
October 2000
Revision 2.1
Geode™ CS9211 Graphics Companion
Flat Panel Display Controller
