PI7C9X111SLBFDE Pericom Semiconductor, PI7C9X111SLBFDE Datasheet - Page 18

• Manufacturer Part Number: PI7C9X111SLBFDE
• Manufacturer: Pericom Semiconductor

Specifications of PI7C9X111SLBFDE

• Lead Free Status / Rohs Status: Compliant

4
PI7C9X111SL supports forward or reverse combination modes of operation. For example, when PI7C9X111SL is
operating in forward PCIe Bridge (REVRSB=0), its PCI Express interface is connected to a root complex and its
PCI bus interface is connected to PCI devices. Another example, PI7C9X111SL can be configured as a reverse
PCIe Bridge (REVRSB=1).
PCI based systems and peripherals are ubiquitous in the I/O interconnect technology market today. It will be a
tremendous effort to convert existing PCI based products to be used in PCI Express systems. PI7C9X111SL
provides a solution to bridge existing PCI based products to the latest PCI Express technology.
Figure 4-1 Forward Bridge Mode
In reverse mode (REVRSB=1), PI7C9X111SL becomes a PCI-to-PCI Express bridge that its PCI bus interface is
connected to the PCI Host Chipset between and the PCI Express x1 link. It enables the legacy PCI Host Systems to
provide PCI Express Interface capability.
PI7C9X111SL provides a solution to convert existing PCI based designs to adapt quickly into PCI Express base
platforms. Existing PCI based applications will not have to undergo a complete re-architecture in order to interface
to PCI Express technology.
Pericom Semiconductor - Confidential
FORWARD AND REVERSE BRIDGING
USB /
1394
Memory
System
Channel
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Fibre
PI7C9X111SL
Processor
Complex
Host
Root
x1 link
PCI 32bit / 66MHz
Ethernet
Fast
Feb, 2010, Revision 1.5
PCIe-to-PCI Reversible Bridge
SCSI
HDD
PI7C9X111SL