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Tundra Semiconductor

TSI350 Datasheet Preview

TSI350 Datasheet

PCI-to-PCI Bridge

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Tsi350
PCI-to-PCI Bridge
Features
PCI Interfaces
• Industry-standard 32-bit, 66-MHz PCI
bridge
• Fully PCI Local Bus Specification,
Revision 2.3 compliant
• Supports up to nine PCI bus masters on
the secondary interface
• Ten independent secondary clock
outputs to the secondary slots
• Primary and secondary interfaces can be
operated using asynchronous clocks
• Secondary clock can either be derived
from the input primary clock or supplied
by an external clock source
• Secondary clocks can be masked
through the GPIO interface during
power up
The Tsi350 makes it possible to extend a
system’s load capability limit beyond that of a
single PCI bus by allowing motherboard
designers to add more PCI devices or more PCI
option card slots than a single PCI bus can
support.
• Supports four independent delayed
transactions in each direction
• Supports up to nine secondary requests
and grants
• External arbiter support on the
secondary bus
• Supports CompactPCI Hot Swap
functionality
• CI Power management with D3Hot
support with option to disable clocks
during D3Hot state
• Supports Bus Locking mechanism
• VGA/Palette memory and I/O decoding
options
• Optional non-posted entry flush upon
posted writes traveling the same
direction
• Compatible with existing solutions from
Intel, TI, PLX, and Pericom
The Tundra Semiconductor Tsi350 is a PCI-to-PCI bridge that is fully
compliant with PCI Local Bus Specification, Revision 2.3. The Tsi350 has
sufficient clock and arbitration pins to support nine PCI bus master devices
directly on its secondary interface.
The Tsi350 allows the two PCI buses to operate concurrently. This means that
a master and a target on the same PCI bus can communicate while the other
PCI bus is busy. This traffic isolation may increase system performance in
applications such as multimedia.
The Tsi350 makes it possible to extend a system’s load capability limit beyond
that of a single PCI bus by allowing motherboard designers to add more PCI
devices or more PCI option card slots than a single PCI bus can support.
The Tsi350 has two identical PCI Interfaces that each handle PCI transactions
for its respective bus, and, depending on the type of transaction, can act as
either a bus master or a bus slave. These interfaces transfer data and control
information flowing to and from the blocks shown below.
Block Diagram
IEEE1149.1
Boundary Scan
JTAG
Clocking/
Reset
Hot
Swap
66 MHz / 32-bit
PCI Bus
Posted
Write
Buffer
Posted
Queue
Non-
Posted
Buffer
Non-
Posted
Queue
Mux
Logic
Mux
Logic
Non-
Posted
Buffer
Non-
Posted
Queue
Posted
Write
Buffer
Posted
Queue
66 MHz / 32-bit
PCI Bus
Address
Decoder
Secondary
Bus Arbiter
80D5000_BK001_02
www.DataSheet.in




Tundra Semiconductor

TSI350 Datasheet Preview

TSI350 Datasheet

PCI-to-PCI Bridge

No Preview Available !

Tsi350
PCI-to-PCI Bridge
Benefits
• Extend PCI load capability
Straightforward system design through the
Tsi350’s highly configurable features
Physical
• 208-PQFP and 256 PBGA packages
• 3.3 V I/O, 5 V tolerant
Applications
• Industrial PC’s (IPC) backplanes
• Video capture cards
• Embedded video recorders (EVRs)
• Multi-function printers
• Storage host bus adapters (HBAs)
• Network interface cards (NICs)
• Firewall and security gateways
• Printers, graphics and imaging systems
Design Support Tools
Tundra is committed to helping customers
minimize their time to market. That’s why
we provide one of the highest levels of
design support in the industry, including:
• Application notes
• Evaluation boards
• IC models
• Hardware and software development
tools
For more information, see the Tundra
website at www.tundra.com/dst.
Ordering Information
Available immediately
Part numbers: Tsi350-66CQ,
Tsi350-66CQY, Tsi350-66CLVZ1
For ordering information, see the Tundra
website at www.tundra.com/Tsi350
Typical Applications
Option card designers can use Tsi350 to implement multiple-device PCI
option cards. Without a PCI-to- PCI bridge, PCI loading rules would limit
option cards to one device. The PCI Local Bus Specification loading rules limit
PCI option cards to a single connection per PCI signal in the option card
connector. The Tsi350 overcomes this restriction by providing, on the option
card, an independent PCI bus to which up to nine devices can be attached.
Figure 2 shows how the Tsi350 enables the design of a multi-component
option card or expand exisitng PCI buses.
Application Diagram
PCI
Device
PCI
Device
PCI
Device
PCI
Device
PCI
Device
Tsi350
PCI
Device
PCI Bus
80D5000_TA001_01
www.DataSheet.in
Tundra Semiconductor Corporation
603 March Road, Ottawa,
Ontario, Canada, K2K 2M5
Phone: 613-592-0714 Toll-free: 800-267-7231
Fax: 613-592-1320 Email: info@tundra.com
Document: 80D5000_FB001_05
©2006 Tundra Semiconductor Corporation
All trademarks are property of their respective
owners. Information is subject to change
without notice.


Part Number TSI350
Description PCI-to-PCI Bridge
Maker Tundra Semiconductor
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