SAA7785 Datasheet, PDF (4/68 Pages) NXP Semiconductors – ThunderBird Avenger PCI Audio Accelerator

Philips Semiconductors
ThunderBird Avenger^TM 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