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參數(shù)資料
| 型號(hào)： | PI7C21P100 |
| 廠商： | Pericom Semiconductor Corp. |
| 英文描述： | 2-PORT PCI-X BRIDGE |
| 中文描述： | 2端口PCI - X橋接 |
| 文件頁(yè)數(shù)： | 45/77頁(yè) |
| 文件大?。?/td> | 603K |
| 代理商： | PI7C21P100 |
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PI7C21P100
2-PORT PCI-X BRIDGE
ADVANCE INFORMATION
Page 45 of 77
June 10, 2005 Revision 1.06
8.1.12
LOWER MEMORY BASE ADDRESS REGISTER – OFFSET 10h
BIT
FUNCTION
TYPE
DESCRIPTION
31:20
Memory Base Address
RW
Address bits[31:20] of the memory base address if BAR_EN is 1. If
BAR_EN is 0, then this register is reserved and returns zeros when
read.
19:4
Reserved
RO
Reserved. Returns 00h when read
3
Prefetchable Indicator
RO
Identifies the address range defined by this register is prefetchable.
Returns 1 when read
2:1
Decoder Width
RO
Indicates that this is the lower portion of a 64-bit register. Returns
10b when read.
0
Decoder Type
RO
Indicates that this register is a memory decoder. Returns 0 when
read.
8.1.13
UPPER MEMORY BASE ADDRESS REGISTER – OFFSET 14h
BIT
FUNCTION
TYPE
DESCRIPTION
31:0
Upper Memory Base
Address
BAR_EN is 0, this register is reserved and returns zeros when read.
RW
Address bits[63:32] of the memory base address if BAR_EN is 1. If
8.1.14
PRIMARY BUS NUMBER REGISTER – OFFSET 18h
BIT
FUNCTION
TYPE
7:0
Primary Bus Number
RW
DESCRIPTION
Records the bus number of the PCI segment that PI7C21P100 is
connected to on the primary side.
Reset to 00h
8.1.15
SECONDARY BUS NUMBER REGISTER – OFFSET 18h
BIT
FUNCTION
TYPE
15:8
Secondary Bus Number
RW
DESCRIPTION
Records the bus number of the PCI segment that PI7C21P100 is
connected to on the secondary side.
Reset to 00h
8.1.16
SUBORDINATE BUS NUMBER REGISTER – OFFSET 18h
BIT
FUNCTION
TYPE
23:16
Subordinate Bus
Number
DESCRIPTION
Records the highest bus number of the PCI segment that resides
behind PI7C21P100.
Reset to 00h
RW
8.1.17
SECONDARY LATENCY TIMER REGISTER – OFFSET 18h
BIT
FUNCTION
TYPE
31:24
Secondary Latency
Timer
DESCRIPTION
Specifies the value of the secondary latency timer in PCI bus clock
units.
Reset to 00h in conventional PCI mode
Reset to 40h in PCI-X mode
RW
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PI7C21P100NH | 2-PORT PCI-X BRIDGE |
| PI7C7100BNA | PCI Bus Interface/Controller |
| PI7C7100 | 3-Port PCI Bridge |
| PI7C7100CNA | 3-Port PCI Bridge |
| PI7C7300 | 3-PORT PCI-to-PCI BRIDGE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PI7C21P100B | 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:2-PORT PCI-X TO PCI-X BRIDGE |
| PI7C21P100BEVB | 功能描述:界面開(kāi)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 |
| PI7C21P100BNH | 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:2-PORT PCI-X TO PCI-X BRIDGE |
| PI7C21P100BNHE | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI PCI-X to PCI-XBridge 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 |
| PI7C21P100EVB | 功能描述:界面開(kāi)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 |
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