參數(shù)資料
型號: PI7C8154
英文描述: PCI Bridge | 2-Port PCI-to-PCI Bridge
中文描述: PCI橋| 2端口PCI至PCI橋
文件頁數(shù): 87/115頁
文件大?。?/td> 879K
代理商: PI7C8154
PI7C8150B
2-PORT PCI-TO-PCI BRIDGE
ADVANCE INFORMATION
Page 87 of 115
July 31, 2003 – Revision 1.031
14.1.17
MEMORY BASE REGISTER – OFFSET 20h
Bit
3:0
Function
Type
R/O
Description
Lower four bits of register are read only and return 0.
Reset to 0
Defines the bottom address of an address range for the bridge to
determine when to forward memory transactions from one interface
to the other. The upper 12 bits correspond to address bits [31:20]
and are writable. The lower 20 bits corresponding to address bits
[19:0] are assumed to be 0.
Reset to 0
15:4
Memory Base
Address [15:4]
R/W
14.1.18
MEMORY LIMIT REGISTER – OFFSET 20h
Bit
19:16
Function
Type
R/O
Description
Lower four bits of register are read only and return 0.
Reset to 0
Defines the top address of an address range for the bridge to
determine when to forward memory transactions from one interface
to the other. The upper 12 bits correspond to address bits [31:20]
and are writable. The lower 20 bits corresponding to address bits
[19:0] are assumed to be FFFFFh.
31:20
Memory Limit
Address [31:20]
R/W
14.1.19
PEFETCHABLE MEMORY BASE REGISTER – OFFSET 24h
Bit
3:0
Function
64-bit addressing
Type
R/O
Description
Indicates 64-bit addressing
0000: 32-bit addressing
0001: 64-bit addressing
Reset to 1
Defines the bottom address of an address range for the bridge to
determine when to forward memory read and write transactions from
one interface to the other. The upper 12 bits correspond to address
bits [31:20] and are writable. The lower 20 bits are assumed to be 0.
15:4
Prefetchable
Memory Base
Address [31:20]
R/W
14.1.20
PREFETCHABLE MEMORY LIMIT REGISTER – OFFSET 24h
Bit
19:16
Function
64-bit addressing
Type
R/O
Description
Indicates 64-bit addressing
0000: 32-bit addressing
0001: 64-bit addressing
Reset to 1
Defines the top address of an address range for the bridge to
determine when to forward memory read and write transactions from
one interface to the other. The upper 12 bits correspond to address
bits [31:20] and are writable. The lower 20 bits are assumed to be
FFFFFh.
31:20
Prefetchable
Memory Limit
Address [31:20]
R/W
相關PDF資料
PDF描述
PI7C8154-33 PCI Bridge | 2-Port PCI-to-PCI Bridge
PI7C8150 PCI Bridge | 2-Port PCI-to-PCI Bridge
PI7C8150-33 PCI Bridge | 2-Port PCI-to-PCI Bridge
PI7C8150A PCI Bridge | 2-Port PCI-to-PCI Bridge
PI7C8150A-33 PCI Bridge | 2-Port PCI-to-PCI Bridge
相關代理商/技術參數(shù)
參數(shù)描述
PI7C8154-33 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCI Bridge | 2-Port PCI-to-PCI Bridge
PI7C8154ANA 功能描述:外圍驅動器與原件 - PCI 64-Bit/66MHz 2-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
PI7C8154ANAE 功能描述:外圍驅動器與原件 - PCI 64B/66MHz 2 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
PI7C8154ANAE-33 功能描述:外圍驅動器與原件 - PCI 64B/66MHz 2 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
PI7C8154B 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:2 PORT 64 BIT 66MHZ PCI TO PCI BRIDGE