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參數(shù)資料
| 型號： | PI7C8140AMAE |
| 廠商： | Pericom |
| 文件頁數(shù)： | 60/82頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC PCI-PCI BRIDGE 2PORT 128-QFP |
| 標準包裝： | 39 |
| 系列： | * |
| 應用： | * |
| 接口： | * |
| 電源電壓： | * |
| 封裝/外殼： | 128-BFQFP |
| 供應商設備封裝： | 128-QFP（14x20） |
| 包裝： | 管件 |
| 安裝類型： | 表面貼裝 |
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PI7C8140A
2-PORT PCI-TO-PCI BRIDGE
Page 63 of 82
March 20, 2007 – Revision 1.01
13.2.11 SECONDARY BUS NUMBER REGISTER – OFFSET 18h
Bit
Function
Type
Description
15:8
Secondary Bus
Number
RW
Indicates the number of the PCI bus to which the secondary interface is
connected. The value is set in software during configuration.
Reset to 0
13.2.12 SUBORDINATE BUS NUMBER REGISTER – OFFSET 18h
Bit
Function
Type
Description
23:16
Subordinate
Bus Number
RW
Indicates the number of the PCI bus with the highest number that is subordinate to
the bridge. The value is set in software during configuration.
Reset to 0
13.2.13 SECONDARY LATENCY TIMER REGISTER – OFFSET 18h
Bit
Function
Type
Description
31:24
Secondary
Latency Timer
RW
Latency timer for secondary. Indicates the number of PCI clocks from the
assertion of S_FRAME# to the expiration of the timer when the bridge is acting
as a master on the secondary.
0: Bridge ends the transaction after the first data transfer when the bridge’s
secondary bus grant has been deasserted, with the exception of memory write and
invalidate transactions.
Reset to 0
13.2.14 I/O BASE ADDRESS REGISTER – OFFSET 1Ch
Bit
Function
Type
Description
3:0
32-bit Indicator
RO
Read as 01h to indicate 32-bit I/O addressing
7:4
I/O Base
Address [15:12]
RW
Defines the bottom address of the I/O address range for the bridge to determine
when to forward I/O transactions from one interface to the other. The upper 4 bits
correspond to address bits [15:12] and are writable. The lower 12 bits
corresponding to address bits [11:0] are assumed to be 0. The upper 16 bits
corresponding to address bits [31:16] are defined in the I/O base address upper 16
bits address register
Reset to 0
13.2.15 I/O LIMIT ADDRESS REGISTER – OFFSET 1Ch
Bit
Function
Type
Description
11:8
32-bit Indicator
RO
Read as 01h to indicate 32-bit I/O addressing
07-0067
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| PI7C8148A | 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:2-PORT PCI-TO-PCI BRIDGE ADVANCE INFORMATION |
| PI7C8148AEVB | 功能描述:界面開發(fā)工具 64B/66MHz 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 |
| PI7C8148ANBE | 功能描述:外圍驅動器與原件 - PCI 2-Port PCI-to-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 |
| PI7C8148ANJ | 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:2-PORT PCI-TO-PCI BRIDGE ADVANCE INFORMATION |
| PI7C8148ANJE | 功能描述:外圍驅動器與原件 - PCI 2-Port PCI-to-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 |
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