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參數(shù)資料
| 型號： | 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)： | 88/109頁 |
| 文件大?。?/td> | 779K |
| 代理商： | PI7C7300 |
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PI7C7300A
3-PORT PCI-TO-PCI BRIDGE
ADVANCE INFORMATION
Page 88 OF 109
09/25/03 Revision 1.09
Bit
Function
Type
Description
Control’s PI7C7300A’s ability to hold requests longer at the Primary
Port.
0: internal Primary master will release REQ_L after FRAME_L
assertion
1: internal Primary master will hold REQ_L until there is no
transactions pending in FIFO or until terminated by target
Reset to 1
Reserved. Returns 0 when read. Reset to 0.
11
Enable Primary
To Hold Request
Longer
R/W
15:12
Reserved
R/O
14.1.38
MASTER TIMEOUT COUNTER REGISTER – OFFSET 74h
Bit
Function
Type
Description
Holds the maximum number of PCI clocks that PI7C7300A will wait
for initiator to retry the same cycle before reporting timeout. Master
timeout occurs after 2
PCI clocks.
Default is 8000h.
31:16
Master Timeout
R/W
14.1.39
RETRY COUNTER REGISTER – OFFSET 78h
Bit
Function
Type
Description
Holds the maximum number of attempts that PI7C7300A will try
before reporting retry timeout. Retry count set at 2
PCI clocks.
Default is 0100 0000h.
31:0
Retry Counter
R/W
14.1.40
SAMPLING TIMER REGISTER – OFFSET 7Ch
Bit
Function
Type
Description
Sets the duration (in PCI clocks) during which PI7C7300A will
record the number of successful transactions for performance
evaluation. The recording will start right after this register is
programmed and will be cleared after the timer expires. Maximum
period is 128 seconds at 33MHz.
Reset to 0.
31:0
Sampling Timer
R/W
14.1.41
SECONDARY SUCCESSFUL I/O READ COUNTER REGISTER –
OFFSET 80h
Bit
Function
Type
Description
Stores the successful I/O read count on S1 or S2 and is updated when
the sampling timer is active.
Reset to 0
31:0
Successful I/O
Read Counts on
S1 or S2
R/W
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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