CL-GD54622D CIRRUS [Cirrus Logic], CL-GD54622D Datasheet

CL-GD54622D

Manufacturer Part Number

CL-GD54622D

Description

64-Bit Graphics Engine with Integrated 3D Game Acceleration(CL-GD5464)

Manufacturer

CIRRUS [Cirrus Logic]

Datasheet

1.CL-GD54622D.pdf (3 pages)

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FEATURES

System

Block Diagram

64-bit graphics engine with integrated 3D game

acceleration (CL-GD5464)

— Perspective textures mapping

— Bilinear/trilinear ﬁltering

— Mip mapping

— Lit, copy, decal, and blend textures

— Texture decompression

— Mono rasterization (single-pass lighting)

— Stippling

— Polygon, line, and point drawing

— 16-bit Z-buffer

— Gouraud shading

— Alpha blending, fog, and transparency

— Display list processing for maximum performance

— Hardware page ﬂipping

— Sub-pixel accuracy

High-performance 64-bit GUI accelerator

— Three-operand BitBLT (bit block transfer)

— Color expansion for 8-, 16-, 24-, and 32-bpp modes

— Stretch BLT

PCI 2.1-compliant bus master (CL-GD5464)

— DMA maximizes system performance

— Host-rendered/cached texture maps

AGP (accelerated graphics port) support

(CL-GD5465)

CL-GD546X

208-PIN HQFP

RDRAM

(cont.)

The CL-GD546X is the Laguna

patible, Rambus -based 2D/3D graphics accelera-

tors. The CL-GD5462, the ﬁrst family member,

provides multi-window video and graphics accelera-

tion with greater-than-VRAM performance at lower-

than-VRAM cost. The follow-on product, the

CL-GD5464, offers 3D graphics capability in addi-

tion to maintaining the same high level of 2D perfor-

mance offered by the CL-GD5462.

The 64-bit graphics engine of the CL-GD546X fea-

tures standard GUI acceleration hardware as well as

advanced features such as stretch BLT and video

playback scaling. Color-key and chroma-key opera-

tions are supported to enable graphics and video to

b e c o m b i n e d i n a n e f ﬁ c i e n t m a n n e r. T h e

CL-GD546X integrates a 24-bpp palette DAC, clock

generators, a full-feature VGA controller, and

V-Port

OVERVIEW

TELECONFERENCE

RGB/DDC

MPEG1/MPEG2

(OPTIONAL)

TV TUNER

bus for easy expandability.

VisualMedia

V-Port

High-Performance

CL-GD5465 (AGP)

CL-GD5462 (2D)

CL-GD5464 (3D)

Advance Product Bulletin

CL-GD546X

Accelerators

September 1996

family of pin-com-

(cont.)

Related parts for CL-GD54622D

CL-GD54622D Summary of contents

Page 1

... CL-GD5464, offers 3D graphics capability in addi- tion to maintaining the same high level of 2D perfor- mance offered by the CL-GD5462. The 64-bit graphics engine of the CL-GD546X fea- tures standard GUI acceleration hardware as well as advanced features such as stretch BLT and video playback scaling. Color-key and chroma-key opera- tions are supported to enable graphics and video ﬁ ...

Page 2

... Mbyte 640 2 Mbyte 485 a Additional texture maps can be stored in system memory and accessed by the CL-GD5464 bus master capability. Laguna Family VisualMedia Accelerators OVERVIEW Based on the CL-GD5462, the CL-GD5464 incorpo- rates a 3D module, PCI bus mastering, and a newer, 230-MHz DAC. The CL-GD5464 offers very cost- ...

Page 3

... SOFTWARE DRIVERS SUPPORT Cirrus Logic provides an extensive and expanding range of software drivers to enhance the resolution and performance of many software packages. The following table lists the Cirrus Logic software drivers for the CL-GD546X. The CL-GD5464 is a software superset of the CL-GD5462. Software Drivers 640 ...

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