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SAA7785 manual
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68 pages, 1.09 Mb
SAA7785
ThunderBird Avenger
PCI Audio
Accelerator
Preliminary specification
1999 Nov 12
INTEGRATED CIRCUITS
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
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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
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VIRTUAL WRITE MASTER
Game Port
SAA7785 SIGNAL DEFINITIONS
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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
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MULTIMEDIA TIMER
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SAA7785
ThunderBird Avenger PCI Audio Accelerator
Definitions
Disclaimers