SAA7780 データシートの表示（PDF） - Philips Electronics

部品番号

コンポーネント説明

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SAA7780

ThunderBird Q3D™ PCI Audio Accelerator

Philips Electronics 

Philips Semiconductors

Product Specification

ThunderBird Q3D PCI Audio

Accelerator

SAA7780

Architectural Overview

The ThunderBird Q3D - SAA7780 is a multi-functional device that provides full duplex sound processing, DirectSound

acceleration, 3D audio acceleration, SoundBlaster emulation, FM emulation, wavetable synthesis, and other audio

effects utilizing its ActiMedia DSP processor. The ActiMedia processor consists of a number of fixed function DSP

accelerator blocks and a programmable Pine DSP core. Included within the SAA7780 are interfaces for an AC97

codec, serial DAC, MIDI port, and standard analog and digital joysticks as well as optional external code RAM.

FIGURE 3

Block Diagram of a PC/AT System with the SAA7780

Cache

PentiumTM

CPU

HOST BUS

Memory

System

Controller

AGP

Graphics

Multi I/O

ISA BUS

PCI to ISA

Bridge

PCI BUS

ThunderBirdTM Audio

Controller

AC97 CODEC

and/or

Serial DAC

MIDI Port

Joystick

1999 Sep 30

10

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