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): 119/145頁
文件大?。?/td> 2285K
代理商: MT8LLN22NCNE
Coppertail Product Specification
MT8LLN22NCNE.fm – Rev. 1, Pub. 2/02
75
2002, Micron Technology Inc.
PRELIMINARY
MT8LLN22NCNE
COPPERTAIL
DMA Master Clear Register
DMA Temporary Register
DMA Clear Mask Register
DMA Write All Mask Bits Register (DMA_WRMSK)
ADDRESS: 0Dh
ADDRESS: DAh
DMA1
DMA2
BITS
DESCRIPTION
PROPERTIES
RESET
7:0
A write to this register performs the same action as a hardware reset.
The write will set the Mask Register and clear the Command, Status,
Request, and Byte Pointer Flip/Flop Registers.
W/O
00
ADDRESS: 0Dh
ADDRESS: DAh
DMA1
DMA2
BITS
DESCRIPTION
PROPERTIES
RESET
7:0
Temporary register holding the last byte transferred in a memory to
memory DMA transfer. It can only be read while the transfer is not pro-
ceeding.
R/O
00
ADDRESS: 0Dh
ADDRESS: DAh
DMA1
DMA2
BITS
DESCRIPTION
PROPERTIES
RESET
7:0
A write to this register will clear the mask bits of all four DMA channels.
W/O
00
ADDRESS: 0Fh
SYMBOL: DMA_WRMSK
ADDRESS: DEh
DMA1
DMA2
BITS
DESCRIPTION
PROPERTIES
RESET
7:4
Reserved.
R/O
0
3:0
Set/Clear Channel Mask Bit.
3: Set /Clear Mask bit for Channel 3/7
2: Set /Clear Mask bit for Channel 2/6
1: Set /Clear Mask bit for Channel 1/5
0: Set /Clear Mask bit for Channel 0/4
W/O
0000
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