4-16
Theory of Operation
4.3.2.4 C&T 65550 High Performance Flat Panel / CRT VGA
Controller
The C&T65550 of high performance multimedia flat panel / CRT GUI accelerators extend CHIPS’
offering of high performance flat panel controllers for full-featured note books and sub-notebooks. The
C&T65550 offers 64-bit high performance and new hardware multimedia support features.
HIGH PERFORMANCE
Based on a totally new internal architecture, the C&T65550, integrates a powerful 64-bit graphics
accelerator engine for Bit Block Transfer (BitBLT), hardware cursor, and other functions intensively used
in graphical User Interfaces (GUls) such as Microsoft Windows
. Superior performance is also achieved
through a direct 32-bit interface to the PCI Local Bus. The C&T65550 offers exceptional performance
when combined with CHIPS advanced linear acceleration driver technology .
HARDWARE MULTIMEDIA SUPPORT
The C&T65550 implements independent multimedia capture (and display systems on-chip. The capture
system places data in display memory (usually off screen) and the display system places it in a window on
the screen.
The capture system can receive data from either the system bus or from the ZV enabled video port in
either RGB or YUV format. The input data can also scaled down before storage in display memory (c.g.,
from any size larger than 320x240 down to 352x248). Capture of input data may also be double buffered
for smoothing and to prevent image tearing.
The display system can independently place either RGB or YUV data from any where in display memory
into an on-screen window which can be any size and located at any pixel boundary (YUV data is
converted to RGB "on-the-fly" on out put). Non-rectangular windows .are supported via color keying. The
data can be functionally zoomed on output up to 8x to fit the onscreen window and can be horizontally
and vertically inter polated to scale or zoom artifacts. Interlaced and non-interlaced data are supported in
both capture and display systems.
VERSATILE PANEL SUPPORT
The C&T65550 supports a wide variety of monochrome and color Single-Panel, Single-Drive (SS) and
Dual-Panel, Dual Drive (DD) standard and high-resolution passive STN and active matrix TFT/MIM
LCD, and EL panels. For monochrome panels, up to 64 gray scales are supported. Up to 4096 different
colors can be displayed on passive STN LCDs and up to 16M colors on 24-bit active matrix LCDs.
Содержание Extensa 600 Series
Страница 1: ...Maintenance Manual ExtensaTM 60x 65x Series Notebook Computers 9813564 0001 Rev A October 1996 ...
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Страница 55: ...Theory of Operation 4 9 Figure 4 3 M1521 Pin Assignments ...
Страница 61: ...Theory of Operation 4 15 Figure 4 7 M6377 Chip Pinouts ...
Страница 65: ...Theory of Operation 4 19 Figure 4 9 PCMCIA Controller Simplified Block Diagram ...
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Страница 112: ...6 28 Field Service Figure 6 24 Removing Replacing the FIR Audio Board ...
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Страница 203: ...Model 65x Maintenance Data B 45 Figure B 5 Extensa 65x Series VGA Board Logic Diagrams Sheet 1 of 6 ...
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Страница 212: ...Printed in U S A ...
