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參數(shù)資料
| 型號(hào)： | PI7C7300 |
| 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 |
| 文件頁數(shù)： | 47/109頁 |
| 文件大?。?/td> | 779K |
| 代理商： | PI7C7300 |
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PI7C7300A
3-PORT PCI-TO-PCI BRIDGE
ADVANCE INFORMATION
Page 47 OF 109
09/25/03 Revision 1.09
Posted write transactions, comprised of memory write and memory write and
invalidate transactions.
Posted write transactions complete at the source before they complete at the destination;
that is, data is written into intermediate data buffers before it reaches the target.
Delayed write request transactions, comprised of I/O write and configuration write
transactions.
Delayed write requests are terminated by target retry on the initiator bus and are queued
in the delayed transaction queue. A delayed write transaction must complete on the target
bus before it completes on the initiator bus.
Delayed write completion transactions, comprised of I/O write and configuration
write transactions.
Delayed write completion transactions complete on the target bus, and the target response
is queued in the buffers. A delayed write completion transaction proceeds in the direction
opposite that of the original delayed write request; that is, a delayed write completion
transaction proceeds from the target bus to the initiator bus.
Delayed read request transactions, comprised of all memory read, I/O read, and
configuration read transactions.
Delayed read requests are terminated by target retry on the initiator bus and are queued in
the delayed transaction queue.
Delayed read completion transactions, comprised of all memory read, I/O read, &
configuration read transactions.
Delayed read completion transactions complete on the target bus, and the read data is
queued in the read data buffers. A delayed read completion transaction proceeds in the
direction opposite that of the original delayed read request; that is, a delayed read
completion transaction proceeds from the target bus to the initiator bus.
PI7C7300A does not combine or merge write transactions:
!
PI7C7300A does not combine separate write transactions into a single write
transaction—this optimization is best implemented in the originating master.
!
PI7C7300A does not merge bytes on separate masked write transactions to the same
DWORD address—this optimization is also best implemented in the originating
master.
!
PI7C7300A does not collapse sequential write transactions to the same address into
a single write transaction—the PCI Local Bus Specification does not permit this
combining of transactions.
6.2
GENERAL ORDERING GUIDELINES
Independent transactions on primary and secondary buses have a relationship only when
those transactions cross PI7C7300A.
The following general ordering guidelines govern transactions crossing PI7C7300A:
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PI7C7300A | 3-PORT PCI-to-PCI BRIDGE |
| PI7C7300ANA | 3-PORT PCI-to-PCI BRIDGE |
| PI7C8140A | 2 PORT PCI TO PCI BRIDGE PLX PCI 6140 COMPARISON |
| PI7C8148B | 2-PORT PCI-to-PCI BRIDGE PLX PC16152 COMPARISON |
| PI7C8150B-33 | PCI Bridge | Asynchronous 2-Port PCI Bridge |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PI7C7300A | 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:3-PORT PCI-to-PCI BRIDGE |
| PI7C7300AEVB-3 | 功能描述:界面開發(fā)工具 3 Port PCI Bridge Eval Brd RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型: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 |
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