SAA7785 データシートの表示（PDF） - Philips Electronics

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SAA7785

ThunderBird Avenger™ PCI Audio Accelerator

Philips Electronics 

Philips Semiconductors

Preliminary Specification

ThunderBird AvengerTM PCI Audio

Accelerator

SAA7785

Architectural Overview

The SAA7785 ThunderBird AvengerTM is a multi-functional device that provides sound processing producing Sound-

Blaster-compatible emulation, DirectSound acceleration, 3D sound, spatialization, special effects, and 64-voice wavet-

able synthesis through the use of a Pine Digital Signal Processor (DSP) as the primary engine. Included within the

ThunderBird Q3DIII are interfaces for an AC97 codec, I2S I/O, MIDI port, standard analog joysticks, and an S/P DIF

Consumer Output port.

FIGURE 3

Block Diagram of a PC/AT System with the SAA7785 ThunderBird AvengerTM

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 AC97 CODEC

2/4 Channels Additional

MIDI Port

Joystick

I2S

S/P DIF

(Primary)

2 channels

1999 Nov 12

11

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