Philips SAA7785 1999 Nov 12 4, FIGURE 1 BLOCK DIAGRAM

ThunderBird AvengerTM PCI Audio SAA7785

Accelerator

Philips Semiconductors Preliminary Specification

1999 Nov 12 4FIGURE 1 BLOCK DIAGRAM

MIDI Interface

DSP DATA BUS

DSP CODE BUS

PCI

S/P DIF

INTRs

AC Link Interface

Bus

GamePort

I2S

Port

DSP Core

Accelerator

Phase/Env

Accelerator

I2S

Interface

DSP Code

ROM

DSP Code

RAM

DSP

Memory

Controller

DSP Data

RAM

Virtual

Registers

AC LINK

Legacy

DMA

Interface

Multimedia

Timer

PLL

Test Logic

PLL Cell

Game Port

Interface

PCI

Configuration

Headers

Serial

Interrupt

Controller

PCI

Master/Slave

Interface

MIDI Regs

and UART

OPL3

Registers

SoundBlaster

Registers

DSP Interrupt

Controller

Sample Fetch

Accelerator

Host/DSP

Interface

Address

Generation

INTA#

Xtal_out

Prog

IIR Filter

Serial

CFG

Port

Test

Port

General

Purpose I/O

S/P DIF

Output

GPIO

AC97

Contents

Main GENERAL DESCRIPTION FEATURES APPLICATIONS ORDERING INFORMATION QUICK REFERENCE DATA 1999 Nov 12 4 FIGURE 1 BLOCK DIAGRAM Serial CFG Port ThunderBird AvengerTM PCI Audio SAA7785 1999 Nov 12 5 PINNING TABLE 1 Signal and Pin Names for 128 pin SAA7785 ThunderBird AvengerTM PIN # 1999 Nov 12 6 SAA7785 Notes: 1. Package body size is 14 mm. 2. Scale is approx 1 = 5.08 mm (5X actual size). 128 PIN TQFP ThunderBird AvengerTM PCI Audio SAA7785 1999 Nov 12 7 PINNING TABLE 2 PIN DEFINITIONS FOR THE 100 Pin SAA7785 ThunderBird AvengerTM PIN # ThunderBird AvengerTM PCI Audio SAA7785 SAA7785 100 PIN TQFP FUNCTIONAL OVERVIEW Page Architectural Overview PCI Interface, Configuration, and Interrupt Serializer Clocks and the PLL Subsystem Multimedia Timer DMA AC Link Sound Blaster Registers OPL3 Registers and the FM Accelerators Virtual Registers Sample Fetch Accelerator MIDI Registers and UART General Purpose Input/Output PINE DSP Core SERIAL PORT INTERFACES Page VIRTUAL WRITE MASTER Game Port SAA7785 SIGNAL DEFINITIONS Page Page Page Page Page Page Page Page Page Page Page Page Page 1999 Nov 12 33 TABLE 10 Vendor ID Register - VENDOR_ID (RO) PCI CFG 0 D15 D14 D13 D12 D11 D10 D9 D8 Offset 00h VENDOR_ID[15:8] POR Value00010000 Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page MULTIMEDIA TIMER Page Page Page SAA7785 ThunderBird Avenger PCI Audio Accelerator Definitions Disclaimers