SAA7785 查看數據表（PDF） - Philips Electronics

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SAA7785

ThunderBird Avenger™ PCI Audio Accelerator

Philips Electronics 

Philips Semiconductors

ThunderBird AvengerTM PCI Audio

Accelerator

FIGURE 1

BLOCK DIAGRAM

AC Link Interface

Serial

CFG

Port

PCI

Configuration

Headers

PCI

Bus

Test

Port

INTA#

GPIO

GamePort

PCI

Master/Slave

Interface

Serial

Interrupt

Controller

General

Purpose I/O

Game Port

Interface

PLL

Test Logic

AC97

Xtal_out

PLL Cell

Multimedia

Timer

AC LINK

Legacy

DMA

Interface

SoundBlaster

Registers

OPL3

Registers

Sample Fetch

Accelerator

Virtual

Registers

Address

Generation

Host/DSP

Interface

MIDI Regs

and UART

MIDI Interface

Preliminary Specification

SAA7785

I2S

Interface

S/P DIF

Output

DSP Interrupt

Controller

INTRs

DSP Core

I2S

Port

S/P DIF

DSP Code

ROM

DSP Code

RAM

DSP

Memory

Controller

DSP Data

RAM

FM

Accelerator

Prog

IIR Filter

Phase/Env

Accelerator

1999 Nov 12

4

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