s5920 Applied Micro Circuits Corporation (AMCC), s5920 Datasheet - Page 27
s5920
Manufacturer Part Number
s5920
Description
Pci Product
Manufacturer
Applied Micro Circuits Corporation (AMCC)
Datasheet
1.S5920.pdf
(165 pages)
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S5920 – PCI Product: Architectural Overview
FEATURES
Figure 2. S5920 Block Diagram
AMCC Confidential and Proprietary
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Full 132 Mbytes/sec Transfer Rate
PCI Bus Operation to 33 MHz
PCI Purposed 2.2 Compliant Target/Slave
Device
Add-On Bus up to 40 MHz
Programmable Prefetch and Wait States
8/16/32-Bit Add-On Bus
Four Definable Pass-Thru Regions
Two 32-Byte Burstable FIFOs
Active/Passive Add-On Bus Operation
Mailbox Registers/w Byte Level Status
Direct Mailbox Data Strobe/Int Pin
Mailbox Read/Write Interrupts
Direct PCI and Add-On Interrupt Pins
Plug-N-Play Compatible
Two-wire Serial Bus nvRAM Support
Optional External BIOS capability
160-Pin PQFP
Read/Write
Local Bus
Serial Bus
Configuration
Interface
2.1 PCI
Demux
Buffers
Control
Registers
Serial
Logic
Mux/
Data
PCI
Configuration Space
ADD-ON
Mailboxes/Status
FIFO
Byte
Address Register
Status Registers
32
Expansion BIOS
Pass-
Thru
Serial NVRAM
Pass-Thru
Operation/
S5920
Pass-
Thru
PCI
FIFO
Byte
32
APPLICATIONS
ARCHITECTURAL OVERVIEW
The AMCC S5920 was developed to provide the
designer with a single multi-function device offering a
flexible and easy way to connect to the PCI bus. By
using the S5920, the designer eliminates the task of
assuring PCI bus specification compliance and the
necessity of understanding PCI bus timing require-
ments when interfacing a new application.
The complex 33 MHz PCI bus signals are converted
through the S5920 into an easy-to-use 8/16/32-bit
user bus referred to as the user Add-On bus. The Add-
On bus allows user add-on designs bus clock speed
independent operation to 40 MHz.
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ISA Conversions
Multimedia
I/O Ports
Data Storage
CODEC5
General Purpose PCI Bus Interfacing
Read/Write
R/W Logic
Local Bus
ADD-ON
Interface
Demux
Buffers
AMCC
Control
Active
Serial
Logic
Mux/
Revision 1.02 – April 12, 2007
Application
Graphics/
Controller
Grabber
MPEG/
Design
Design
Audio
ISDN
User
FDDI
Card
ATM
ISA
I/O
Data Book
DS1596
27
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