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參數(shù)資料
| 型號： | PI7C8150B |
| 英文描述： | PCI Bridge | Asynchronous 2-Port PCI Bridge |
| 中文描述： | PCI橋|異步2端口PCI橋 |
| 文件頁數(shù)： | 39/115頁 |
| 文件大?。?/td> | 879K |
| 代理商： | PI7C8150B |
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PI7C8150B
2-PORT PCI-TO-PCI BRIDGE
ADVANCE INFORMATION
Page 39 of 115
July 31, 2003 – Revision 1.031
Table 3-8. Response to Posted Write Target Termination
Target Termination
Normal
Target Retry
Target Abort
Repsonse
No additional action.
Repeating write transaction to target.
Initiate write transaction for delivering remaining posted write data.
Set received-target-abort bit in the target interface status register. Assert
P_SERR# if enabled, and set the signaled-system-error bit in primary status
register.
Note that when a target retry or target disconnect is returned and posted write data
associated with that transaction remains in the write buffers, PI7C8150B initiates another
write transaction to attempt to deliver the rest of the write data. If there is a target retry, the
exact same address will be driven as for the initial write trans-action attempt. If a target
disconnect is received, the address that is driven on a subsequent write transaction attempt
will be updated to reflect the address of the current DWORD. If the initial write transaction
is Memory-Write-and-Invalidate transaction, and a partial delivery of write data to the
target is performed before a target disconnect is received, PI7C8150B will use the memory
write command to deliver the rest of the write data. It is because an incomplete cache line
will be transferred in the subsequent write transaction attempt.
After the PI7C8150B makes 2
24
(default) write transaction attempts and fails to deliver all
posted write data associated with that transaction, PI7C8150B asserts P_SERR_L if the
primary SERR_L enable bit is set (bit 8 of command register for secondary bus) and
posted-write-non-delivery bit is not set. The posted-write-non-delivery bit is the bit 2 of
P_SERR_L event disable register (offset 64h). PI7C8150B will report system error. See
Section 6.4 for a discussion of system error conditions.
3.8.3.3
DELAYED READ TARGET TERMINATION RESPONSE
When PI7C8150B initiates a delayed read transaction, the abnormal target responses can be passed
back to the initiator. Other target responses depend on how much data the initiator requests.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PI7C8150B-33 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCI Bridge | Asynchronous 2-Port PCI Bridge |
| PI7C8150BEVB | 功能描述:界面開發(fā)工具 2 Port PCI Bridge Eval Brd RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| PI7C8150BMA | 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:ASYNCHRONOUS 2-PORT PCI-TO-PCI BRIDGE |
| PI7C8150BMA-33 | 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:ASYNCHRONOUS 2-PORT PCI-TO-PCI BRIDGE |
| PI7C8150BMAE | 功能描述:外圍驅(qū)動器與原件 - PCI 32-Bit PCI Bridge 2 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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