RIVA128ZX Datasheet, PDF (1/85 Pages) STMicroelectronics – 128-BIT 3D MULTIMEDIA ACCELERATOR

®
RIVA 128ZX™
128-BIT 3D MULTIMEDIA ACCELERATOR
PRELIMINARY DATA
KEY FEATURES
• Fast 32-bit VGA/SVGA
• High performance 128-bit 2D/GUI/DirectDraw
Acceleration
• Interactive, Photorealistic Direct3D Accelera-
tion with advanced effects
• Pinout backwards compatible with RIVA 128
• Massive 1.6Gbytes/s, 100MHz 128-bit wide
8MByte SGRAM framebuffer interface
• Adds 16Mbit SDRAM support for cost sensitive
8MByte framebuffer applications
• Video Acceleration for DirectDraw/DirectVideo,
MPEG-1/2 and Indeo^®
- Planar 4:2:0 and packed 4:2:2 Color Space
Conversion
- X and Y smooth up and down scaling
• 250MHz Palette-DAC supporting up to
1600x1200@85Hz
• NTSC and PAL output with flicker-filter
• Multi-function Video Port and serial interface
• Bus mastering DMA Accelerated Graphics Port
(AGP) 1.0 Interface supporting 133MHz 2X
data transfer mode
• Bus mastering DMA PCI 2.1 interface
• ACPI power management interface support
• 0.35 micron 5LM CMOS
• 300 PBGA
DESCRIPTION
The RIVA128ZX™ offers unparalleled 2D and 3D
performance, meeting all the requirements of the
mainstream PC graphics market and Microsoft’s
PC’97. RIVA128ZX combines all the features of
RIVA 128 plus 8MByte SDRAM and SGRAM
based framestore support and AGP 2X data trans-
fer. It provides the most advanced Direct3D™ ac-
celeration solution and delivers leadership VGA,
2D and Video performance, enabling a range of
applications from 3D games through to DVD, In-
tercast™ and video conferencing.
BLOCK DIAGRAM
1.6 GByte/s
Internal Bus
Bandwidth
DMA Bus
Host
PCI/AGP _Interface
FIFO/
DMA
Pusher
VGA
Video Port
DMA Engine
Graphics Engine
128 bit 2D
Direct3D
DMA Engine
Palette DAC
YUV - RGB,
X & Y scaler
8MByte
SDRAM/SGRAM
Interface
CCIR656
Video
Monitor/
TV
128 bit
interface
June 1998
The information in this datasheet is subject to change
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