參數(shù)資料
型號(hào)： PI7C7300A
廠商： Pericom Semiconductor Corp.
英文描述： 3-PORT PCI-to-PCI BRIDGE
中文描述： 3端口PCI至PCI橋
文件頁(yè)數(shù)： 40/109頁(yè)
文件大?。?/td> 779K
代理商： PI7C7300A
PI7C7300A
3-PORT PCI-TO-PCI BRIDGE
ADVANCE INFORMATION
Page 40 OF 109
09/25/03 Revision 1.09
PI7C7300A returns a target disconnect to an initiator when one of the following
conditions is met:
!
PI7C7300A hits an internal address boundary.
!
PI7C7300A cannot accept any more write data.
!
PI7C7300A has no more read data to deliver.
See Section 4.6.4 for a description of write address boundaries, and Section 4.7.3 for a
description of read address boundaries.
TARGET ABORT
4.9.4.3
PI7C7300A returns a target abort to an initiator when one of the following conditions is
met:
!
PI7C7300A is returning a target abort from the intended target.
When PI7C7300A returns a target abort to the initiator, it sets the signaled target abort
bit in the status register corresponding to the initiator interface.
4.10
CONCURRENT MODE OPERATION
The Bridge can be configured to run in concurrent operation. Concurrent operation is
defined as cycles going from one device on one secondary bus to another device on the
same or other secondary bus. This off-loads traffic from the primary bus, allowing other
traffic to run on the primary bus concurrently.
The Bridge is already configured to handle concurrent operation. However, the devices
themselves need to be configured to do so. Meaning, device drivers for the specific
device used will have to be configured to perform the operation. Please see section 5.1
for more information on addressing.
5
ADDRESS DECODING
PI7C7300A uses three address ranges that control I/O and memory transaction
forwarding. These address ranges are defined by base and limit address registers in the
configuration space. This chapter describes these address ranges, as well as ISA-mode
and VGA-addressing support.
5.1
ADDRESS RANGES
PI7C7300A uses the following address ranges that determine which I/O and memory
transactions are forwarded from the primary PCI bus to the secondary PCI bus, and from
the secondary bus to the primary bus:
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PI7C7300AEVB-3 功能描述:界面開(kāi)發(fā)工具 3 Port PCI Bridge Eval Brd RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類(lèi)型:RS-485 工具用于評(píng)估:ADM3485E 接口類(lèi)型:RS-485 工作電源電壓:3.3 V
PI7C7300ANA 制造商:Pericom Semiconductor Corporation 功能描述:PCI-to-PCI Bridge 272-Pin BGA 制造商:Pericom Semiconductor Corporation 功能描述:PCI to PCI Bridge 272-Pin BGA
PI7C7300ANAE 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 3 Port PCI Bridge RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
PI7C7300ANA-E 制造商:Pericom Semiconductor Corporation 功能描述:PCI-to-PCI Bridge 272-Pin BGA 制造商:Pericom Semiconductor Corporation 功能描述:PCI to PCI Bridge 272-Pin BGA
PI7C7300DNAE 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI PCI -to -PCI Bridge 3 Port RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
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