參數(shù)資料
型號: SIS300
廠商: SILICON INTEGRATED SYSTEMS CORP
元件分類: 圖形處理器
英文描述: GRAPHICS PROCESSOR, PBGA365
封裝: 27 X 27 MM, BGA-365
文件頁數(shù): 105/115頁
文件大小: 2426K
代理商: SIS300
SiS300 2D/3D/Video/DVD Accelerator
Preliminary V0.3 March 23, 1999
1
Silicon Integrated Systems Corporation
1
SIS300 AGP 4X/2X 128-BIT 2D/3D/VIDEO/DVD GRAPHICS
ACCELERATOR
1.1
INTRODUCTION
SiS300 is the first chip of the SiS 128-bit graphics accelerator family. With a 365-pin PBGA
package, SiS300 integrates a 4X/2X AGP controller with full side-band support, a 128-bit
3D/2D graphics engine and a motion compensation accelerator. It offers a complete 128-bit
memory data bus. Embedded with a 128-bit 2D engine, it can achieve ultra high 2D
performance with the maximum memory bandwidth up to 2.3 GB/s.
An optimized 3D
pipeline architecture is implemented for eliminating the overhead resulted from texture read,
Z-buffer read/write and destination read latencies and achieving a sustain throughput of over
90% of peak throughput even when texture, Z buffer and alpha blending functions are all
enabled. SiS300 also includes a video accelerator and a high performance DVD motion
compensation logic to provide very smooth DVD playback. SiS300 provides a 24-bit digital
interface to support a secondary display, which is independent of primary CRT display. The
digital video interface can also support different TV encoders or LCD transmitters offered by
the third party vendors.
SiS301, which is an accompany chip of SiS300, integrates
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A NTSC/PAL video encoder with Macro Vision Ver. 7.0 option for TV display,
l
A TMDS transmitter with Bi-Linear scaling capability for TFT LCD panel support,
l
And an analog RGB port to support a secondary CRT monitor function.
All the above functions can support dual-view feature. It means that the dual views display
independent resolutions, color depths and frame rates. SiS301 receives digital video signals
and control signals from SiS300 then transforms them into Composite, S or Component
video output for TV display, TMDS signals for LCD display and analog RGB signals for
secondary CRT display. The package type of SiS301 is 100-pin TQFP.
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