參數(shù)資料
型號: PI7C7300NA
廠商: PERICOM SEMICONDUCTOR CORP
元件分類: 總線控制器
英文描述: PCI BUS CONTROLLER, PBGA272
封裝: PLASTIC, BGA-272
文件頁數(shù): 104/119頁
文件大小: 880K
代理商: PI7C7300NA
PI7C7300
3-PORT PCI-to-PCI BRIDGE
Advanced Information
75
06/04/02 Revision 1.07
14.1.32
Upstream (S1 or S2 to P) Memory Limit Register – Offset 50h
Bit
Function
Type
Description
19:16
64 bit
addressing
R/O
0: 32 bit addressing
1: 64 bit addressing
Reset to 1
31:20
Upstream
Memory Limit
Address
R/W
Controls upstream memory limit address.
Reset to 000FFFFFh
14.1.33
Upstream (S1 or S2 to P) Memory Base Upper 32 bits Register –
Offset 54h
Bit
Function
Type
Description
31:0
Upstream
Memory Base
Address
R/W
Defines bits [63:32] of the upstream memory base
Reset to 0
14.1.34
Upstream (S1 or S2 to P) Memory Limit Upper 32 bits Register –
Offset 58h
Bit
Function
Type
Description
31:0
Upstream
Memory Limit
Address
R/W
Defines bits [63:32] of the upstream memory limit
Reset to 0
14.1.35
P_SERR# Event Disable Register – Offset 64h
Bit
Function
Type
Description
0
Reserved
R/O
Reserved. Returns 0 when read. Reset to 0
1
Posted Write
Parity Error
R/W
Controls PI7C7300’s ability to assert P_SERR# when it is
unable to transfer any read data from the target after 2
24
attempts.
0: P_SERR# is asserted if this event occurs and the SERR#
enable bit in the command register is set.
1: P_SERR# is not assert if this event occurs.
Reset to 0
2
Posted Write
Non-Delivery
R/W
Controls PI7C7300’s ability to assert P_SERR# when it is
unable to transfer delayed write data after 2
24 attempts.
0: P_SERR# is asserted if this event occurs and the SERR#
enable bit in the command register is set
1: P_SERR# is not asserted if this event occurs
Reset to 0
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