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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 70/109頁 |
| 文件大?。?/td> | 779K |
| 代理商： | PI7C7300A |
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PI7C7300A
3-PORT PCI-TO-PCI BRIDGE
ADVANCE INFORMATION
Page 70 OF 109
09/25/03 Revision 1.09
P_CBE [3:0] #
Command
Action
(device = 1Fh, function = 7h)
1.
If the target bus is the bridges secondary bus:
claim and pass through as a special cycle.
2.
If the target bus is a subordinate bus that exists
behind the bridge (but not equal to the secondary
bus): claim and pass through unchanged as a type
1 Configuration Write.
3. Otherwise ignore
Same as Memory Read
1100
Memory Read
Multiple
Dual Address Cycle
Memory Read Line
Memory Write and
Invalidate
1101
1110
1111
Supported
Same as Memory Read
Same as Memory Read
13.2
SECONDARY INTERFACE
S1_CBE [3:0] #
S2_CBE [3:0] #
0000
Command
Action
Interrupt
Acknowledge
Special Cycle
I/O Read
I/O Write
Reserved
Reserved
Memory Read
Memory Write
Reserved
Reserved
Configuration Read
Configuration Write
Ignore
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
Do not claim. Ignore.
Same as Primary Interface
Same as I/O Read.
-----
-----
Same as Primary Interface
Same as Memory Read.
-----
-----
Ignore
I.
Type 0 Configuration Write: Ignore
II.
Type 1 Configuration Write (not special cycle
request):Ignore
III.
Configuration Write as Special Cycle Request (device
= 1Fh, function = 7h):
1.
If the target bus is the bridge’s primary bus: claim and
pass through as a Special Cycle
2.
If the target bus is neither the primary bus nor is it in
range of buses defined by the bridge’s secondary and
subordinate bus registers: claim and pass through
unchanged as a Type 1 Configuration Write.
3.
If the target bus is not the bridge’s primary bus, but is
in range of buses defined by the bridge’s secondary and
subordinate bus registers: ignore.
Same as Memory Read
1100
Memory Read
Multiple
Dual Address Cycle
Memory Read Line
Memory Write and
Invalidate
1101
1110
1111
Supported
Same as Memory Read
Same as Memory Read
14
CONFIGURATION REGISTERS
As PI7C7300A supports two secondary interfaces, it has two sets of configuration
registers that are almost identical and accessed through different function numbers. PCI
configuration defines a 64-byte space (configuration header) to define various attributes
of the PCI-to-PCI Bridge as shown below. There are two configuration registers:
Configuration Register 1 and Configuration Register 2 corresponding to Secondary Bus
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|---|---|
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| PI7C8148B | 2-PORT PCI-to-PCI BRIDGE PLX PC16152 COMPARISON |
| PI7C8150B-33 | PCI Bridge | Asynchronous 2-Port PCI Bridge |
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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 |
| PI7C7300DNAE | 功能描述:外圍驅(qū)動器與原件 - 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: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
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