PI7C8152 2-Port PCI-to-PCI Bridge, 32-bit 32-Bit Primary Secondar

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PI7C8152 2-Port PCI-to-PCI Bridge, 32-bit 32-Bit Primary Secondar

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PI7C8152 2-PORT PCI-to-PCI BRIDGE DATA BRIEF
PI7C8152 2-Port PCI-to-PCI Bridge, 32-bit
32-Bit Primary Secondary Ports Primary Secondary Ports must both running same frequency Compliant with following specifications: Local Specification, Revision PCI-to-PCI Bridge Architecture Specification, Revision Advanced Configuration Power Interface (ACPI) Specification Power Management Specification, Revision Concurrent primary secondary port operation Provides internal arbitration secondary masters Programmable 2-level priority arbiter Disable control allow external arbiter Supports posted write buffers both directions (downstream upstream) 128-byte FIFO's delay transactions 128-byte FIFO's posted memory transactions Enhanced address decoding 32-bit address range 32-bit memory-mapped address range 64-bit prefetchable address range addressing palette snooping ISA-aware mode legacy support first 64KB address range 3.3V core; 3.3V interface 160-pin MQFP package Intel 21152 compatible
PRODUCT DESCRIPTION
PI7C8152 2-port PCI-to-PCI Bridge designed fully compliant with Local Specification, Revision 2.2. Both primary secondary ports specified 32-bit (both ports must running same frequency). PI7C8152 supports synchronous transactions between devices primary secondary bus. buses operate concurrent mode, resulting added increase system performance. Concurrent operation off-loads isolates traffic single allowing master target same communicate with each other while other busy. Local Specification denotes loading restrictions bus. PI7C8152 allows designers expand loading capability adding second bus. motherboards, more slots devices then added this second bus. add-in cards, more than device reside add-in card (PCI Local Specifications specify that each add-in card only have device because there only connection signal add-in card connector).
ORDERING INFORMATION
PART NUMBER PI7C8152MA SPEED PACKAGE 160-MQFP
Page PERICOM SEMICONDUCTOR CORPORATION 2380 Bering Drive Jose, 95131 (800) 435-0800 (408) 435-1100 http://www.pericom.com 11/04/2002, REVISION
PI7C8152 2-PORT PCI-to-PCI BRIDGE DATA BRIEF
PI7C8152 BLOCK DIAGRAM
PRIMARY CLOCK
SECONDARY CLOCK
CONFIGURATION REGISTER
ARBITER REQ/GNT
TRANSACTION QUEUE DATA BUFFERS
TRANSACTION QUEUE DATA BUFFERS
PRIMARY MASTER/TARGET INTERACE/CONTROL
MASTER/TARGET INTERACE/CONTROL
PI7C8152 APPLICATION EXAMPLE
Allows more than device plug into single slot
GRAPHICS
DISK STORAGE
CORE LOGIC
OTHER
Primary
PCI-to-PCI Bridge
Secondary
Extends number slots loads system
Page PERICOM SEMICONDUCTOR CORPORATION 2380 Bering Drive Jose, 95131 (800) 435-0800 (408) 435-1100 http://www.pericom.com 11/04/2002, REVISION
SECONDARY INTERACE
PRIMARY INTERFACE

PI7C8152 2-Port PCI-to-PCI Bridge, 32-bit 32-Bit Primary Secondar

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