MX86250 데이터 시트보기 (PDF) - Macronix International

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MX86250

THE ADVANCED 64-BIT WINDOWS-95 AND DIRECTDRAW ACCELERATOR

Macronix International 

INDEX

MX86250

2.Functional Description

This chapter describes the architecture and function blocks of te architecturtecture and function blocks of the MX86250.

2.1 Overview

The MX86250 architecture is described in Figure 2.1, MX86250 function block diagram. As shown in the diagram,

the major function blocks are as follows :

• 64 bit Graphics Co-processor

• Memory Controller

• PCI Bus Interface Unit

• Video Processor

• Media Port

• True color RAMDAC

• Dual Clock Synthesizer

• DDC/I2C/EEPROM interface ports

• VGA Controller

The function block modules are connected with 64-bit buses. Multiple FIFOs buffer data flows within the tight pipeline

structures allowing concurrent operations and maximum bandwidth.

Figure 1 : MX86250 Function Block Diagram

Graphics Processor

Source FIFO

Destination FIFO

Pattern MAP

ROP

ALU

PCI

BUS

DDC

12C

EEPROM

PCI Bus Interface Unit

Command/Data FIFO

Dual Clock

Synthsizer

DCLK

MCLK

Video Processor

Color

Converter

Scaler &

Filters

Display Process

Hardware Cursor

Gx/Video

FIFO

Scaler &

Filters

Peripheral Interface

Ports

VGA

Gx

CRT

Attribute Sequencer

Controller Controller Controller

Memory

Controller

Ture Color

RAM DAC

Medio

Port

DRAM

Interface

R.G.B

VMI

Connector

P/N:PM0387

REV. 1.1, JUL 26, 1996

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