參數(shù)資料
型號: PCI1520-EP
英文描述: Military Enhanced Plastic PC Card Controllers Data Manual
中文描述: 軍事增強塑料PC卡控制器數(shù)據(jù)手冊
文件頁數(shù): 62/125頁
文件大?。?/td> 716K
代理商: PCI1520-EP
4
9
4.15 PCI Bus Number Register
This register is programmed by the host system to indicate the bus number of the PCI bus to which the PCI1520 is
connected. The PCI1520 uses this register in conjunction with the CardBus bus number and subordinate bus number
registers to determine when to forward PCI configuration cycles to its secondary buses.
Bit
7
6
5
4
3
2
1
0
Name
PCI bus number
Type
RW
RW
RW
RW
RW
RW
RW
RW
Default
0
0
0
0
0
0
0
0
Register:
Offset:
Type:
Default:
PCI bus number
18h (functions 0, 1)
Read/Write
00h
4.16 CardBus Bus Number Register
This register is programmed by the host system to indicate the bus number of the CardBus bus to which the PCI1520
is connected. The PCI1520 uses this register in conjunction with the PCI bus number and subordinate bus number
registers to determine when to forward PCI configuration cycles to its secondary buses. This register is separate for
each PCI1520 controller function.
Bit
7
6
5
4
3
2
1
0
Name
CardBus bus number
Type
RW
RW
RW
RW
RW
RW
RW
RW
Default
0
0
0
0
0
0
0
0
Register:
Offset:
Type:
Default:
CardBus bus number
19h
Read/Write
00h
4.17 Subordinate Bus Number Register
This register is programmed by the host system to indicate the highest-numbered bus below the CardBus bus. The
PCI1520 uses this register in conjunction with the PCI bus number and CardBus bus number registers to determine
when to forward PCI configuration cycles to its secondary buses. This register is separate for each CardBus controller
function.
Bit
7
6
5
4
3
2
1
0
Name
Subordinate bus number
Type
RW
RW
RW
RW
RW
RW
RW
RW
Default
0
0
0
0
0
0
0
0
Register:
Offset:
Type:
Default:
Subordinate bus number
1Ah
Read/Write
00h
相關PDF資料
PDF描述
PCI1620GHK Controller Miscellaneous - Datasheet Reference
PCI1620PDV Controller Miscellaneous - Datasheet Reference
PCI2050A 32-Bit. 66MHz. 9-Master PCI-to-PCI Bridge
PCI2050GHK BUS CONTROLLER
PCI2050PDV BUS CONTROLLER
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