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): 126/145頁
文件大?。?/td> 2285K
代理商: MT8LLN22NCNE
Coppertail Product Specification
MT8LLN22NCNE.fm – Rev. 1, Pub. 2/02
81
2002, Micron Technology Inc.
PRELIMINARY
MT8LLN22NCNE
COPPERTAIL
Initialization Command Word 2
Initialization Command Word 3
Operational Control Word 3 Register
ADDRESS: 20h
SYMBOL: OCW3
ADDRESS: A0h
MASTER CONTROLLER
SLAVE CONTROLLER
BITS
DESCRIPTION
PROPERTIES
RESET
7
Reserved. Must be zero.
W/O
0
6
Special Mask Mode. May be used to dynamically alter the interrupt prior-
ity by altering the mask bits of other channels. Bit 5 must be set for this
bit to have any meaning.
W/O
0
5
Enable Special Mask Mode. When set, enables bit 6 to set or reset Special
Mask Mode. When clear, bit 6 is ignored.
W/O
1
4:3
OCW3 select. This field must be 01 to select OCW3.
W/O
01b
2
Poll Mode Command Enable. When set the next I/O read to the interrupt
controller is treated as an interrupt acknowledge. When clear, the Poll
Command is not issued.
W/O
0
1:0
Register Read Command
00: No Action.
01: No Action.
10: Read Request Register (IRR).
11: Read In-Service Register (ISR).
W/O
00
ADDRESS: 21h
SYMBOL: ICW2
ADDRESS: A1h
MASTER CONTROLLER
SLAVE CONTROLLER
BITS
DESCRIPTION
PROPERTIES
RESET
7:3
Interrupt Vector Base. Defines the base address in the interrupt vector
table.
W/O
2:0
Reserved. Must be zero.
W/O
000
ADDRESS: 21h
SYMBOL: ICW3
ADDRESS: A1h
MASTER CONTROLLER
SLAVE CONTROLLER
BITS
DESCRIPTION
PROPERTIES
RESET
7:0
Slave connections. Program to 04h for Master, and 02h for Slave.
W/O
Initialization Command Word 4
ADDRESS: 21h
SYMBOL: ICW4
ADDRESS: A1h
MASTER CONTROLLER
SLAVE CONTROLLER
BITS
DESCRIPTION
PROPERTIES
RESET
7:5
Reserved. Must be zero to access ICW4.
W/O
000
4
Fully Nested Mode. Must be zero.
W/O
0
3:2
Buffered Mode. Must be zero.
W/O
00
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