PI7C9X130DNDE Pericom Semiconductor, PI7C9X130DNDE Datasheet - Page 26

• Manufacturer Part Number: PI7C9X130DNDE
• Description: IC PCIE-PCIX BRIDGE 1PORT 256BGA
• Manufacturer: Pericom Semiconductor

Specifications of PI7C9X130DNDE

• Applications: PCI-to-PCI Bridge
• Interface: SMBus (2-Wire/I²C)
• Voltage - Supply: 1.8V, 3.3V
• Package / Case: 256-PBGA
• Mounting Type: Surface Mount
• Operating Temperature (min): -40C
• Operating Temperature Classification: Industrial
• Operating Temperature (max): 85C
• Package Type: BGA
• Rad Hardened: No
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4 FORWARD AND REVERSE BRIDGING
PERICOM SEMICONDUCTOR - Confidential
PI7C9X130 supports forward or reverse and transparent or non-transparent combination modes of
operation. For example, when PI7C9X130 is operating in forward (REVRSB=0) and non-transparent
bridge mode (TM0=1) shown in Figure 4-1, its PCI Express interface is connected to a root complex and
its PCI-X bus interface is connected to PCI-X devices. Another example, PI7C9X130 can be
configured as a reverse (REVRSB=1) and transparent (TM0=0) bridge shown in Figure 4-2.
The non-transparent bridge feature of PI7C9X130 allows the I/O Processor to be isolated from the Host
Processor and its memory map which avoiding memory address conflict when both host and I/O
processors are needed side-by-side.
PCI/PCI-X based systems and peripherals are ubiquitous in the I/O interconnect technology market today.
It will be a tremendous effort to convert existing PCI/PCI-X based products to be used in PCI Express
systems. PI7C9X130 provides a solution to bridge existing PCI/PCI-X based products to the latest PCI
Express technology.
Figure 4-6 Forward and Non-transparent Mode
In reverse (REVRSB=1) and transparent (TM0=0) mode shown in Figure 3-2, PI7C9X130 becomes a
PCI-to-PCI Express bridge that its PCI-X bus interface is connected to the host chipset between and the
PCI Express x4 link. It enables the legacy PCI/PCI-X Host Systems to provide PCI Express capability.
PI7C9X130 provides a solution to convert existing PCI/PCI-X based designs to adapt quickly into PCI
Express base platforms. Existing PIC/PCI-X based applications will not have to undergo a complete re-
architecture in order to interface to PCI Express technology.
Local Memory
Processor
Memory
System
I/O
Processor
Complex
Page 26 of 165
Root
Host
Gigabit
Ethernet
X4 PCIe Link
PCI-X 64-bit,
133MHz
Other PCI Express
Subsystems
PCI EXPRESS TO PCI-X BRIDGE
Mar 2010 - Rev 2.0
PI7C9X130