參數(shù)資料
型號: MT8LLN22NCNE
元件分類: 總線控制器
英文描述: PCI BUS CONTROLLER, PBGA316
封裝: 27 X 27 MM, PLASTIC, BGA-316
文件頁數(shù): 73/145頁
文件大?。?/td> 2285K
代理商: MT8LLN22NCNE
Coppertail Product Specification
MT8LLN22NCNE.fm – Rev. 1, Pub. 2/02
33
2002, Micron Technology Inc.
PRELIMINARY
MT8LLN22NCNE
COPPERTAIL
Alternate Access Address (Device 7h, Function 0h)
Alternate Access Read Data (Device 7h, Function 0h)
Alternate Access Write Data (Device 7h, Function 0h)
Reserved (Device 7h, Function 0h)
1
SMB enabled. When set, I/O decoding using the SMB_BASE register at
function 1 register 10h is enabled. When clear, the SMB_BASE register is
ignored.
R/W
0
Prefetch enable. When set, memory requests directed upstream may be
prefetched. When clear, no prefetching occurs.
R/W
0
ADDRESS: 6Bh
SYMBOL: ALT_ADDR
BITS
DESCRIPTION
PROPERTIES
RESET
7
Read/Write. This bit determines if the alternate register addressed by the
Address field is read or written. When set, writes are enabled. When
clear, reads are enabled.
R/W
0
6:0
Address. The Alternate access port is used by software to view and
restore system context when transitioning between power management
states for legacy registers that are otherwise not visible through normal
I/O accesses. The address and the mode is programmed into the Alter-
nate Window Address Register followed by either reading or writing the
data in the Alternate Window Data Register. Alternate addresses are
defined in Table 29 and Table 30.
R/W
0
ADDRESS: 6Ch
SYMBOL: ALT_RDATA
BITS
DESCRIPTION
PROPERTIES
RESET
7:0
Alternate Access read data. When alternate access mode is enabled, data
read from this field will correspond to the register pointed to by the
address in register 6Bh.
R/O
0
ADDRESS: 6Dh
SYMBOL: ALT_WDATA
BITS
DESCRIPTION
PROPERTIES
RESET
7:0
Alternate Access write data. When alternate access mode is enabled,
data written to this field will update the register that is pointed to by the
address in register 6Bh.
R/W
0
ADDRESS: 6Eh-6Fh
BITS
DESCRIPTION
PROPERTIES
RESET
15:8
Reserved.
R/W
0
7:0
Reserved.
R/O
N/A
Extended Enable (Device 7h, Function 0h) (continued)
ADDRESS: 6Ah
SYMBOL: EXT_EN
BITS
DESCRIPTION
PROPERTIES
RESET
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