參數(shù)資料
型號(hào): 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): 18/145頁
文件大?。?/td> 2285K
代理商: MT8LLN22NCNE
Coppertail Product Specification
MT8LLN22NCNE.fm – Rev. 1, Pub. 2/02
114
2002, Micron Technology Inc.
PRELIMINARY
MT8LLN22NCNE
COPPERTAIL
SMB Slave Address
SMB Command
SMB Data Registers
SMB Send Byte Count
ADDRESS: SMB_BASE + 02h
SYMBOL: SMB_ADDR
BITS
DESCRIPTION
PROPERTIES
RESET
7:1
SMB Slave Address. This address is left-shifted one-bit from the address
that was written by software. Software address 6:0 becomes slave
address 7:1.
R/W
0
R/W BIT. Is generated by the Protocol software selects.
R/O
0
ADDRESS: SMB_BASE + 03h
SYMBOL: SMB_CMD
BITS
DESCRIPTION
PROPERTIES
RESET
7:0
SMB Command. This field will be used to issue the command to the SMB
target device. The definition of the command is unique to each SMB tar-
get device.
R/W
0
ADDRESS: SMB_BASE + 04h
SYMBOL: SMB_D0, SMB_D1...SMB_D30, SMB_D31
ADDRESS: SMB_BASE + (05h TO 22h)
ADDRESS: SMB_BASE + 23h
D0
D1-D30
D31
BITS
DESCRIPTION
PROPERTIES
RESET
7:0
SMB Host controller data register. Each 8-bit data register corresponds to
a byte of data to be transferred to the host bus. There are 32 of these 8-
bit registers starting with D0 at SMB_BASE + 04h, and incrementing up
to D31 at SMB_BASE + 23h.
R/W
0
ADDRESS: SMB_BASE + 24h
SYMBOL: SMB_BCNT
BITS
DESCRIPTION
PROPERTIES
RESET
7:0
SMB Block Write Protocol Byte Count field.
R/W
0
SMB Bus Master/Interrupt Register
ADDRESS: SMB_BASE + 28h
SYMBOL: SMB_BM_INTR
BITS
DESCRIPTION
PROPERTIES
RESET
7:6
Reserved.
R/W
00
5
Clear Alert. This bit needs to be cleared by software following transac-
tions in response to ALERT.
R/W
0
4
SMB Alert In Signal. This bit indicates that ALERT is active from device
wishing to alert the system.
R/W
1
3
Clear Protocol Enable. Software control to Clear Protocol following
transaction completion.
R/W
0
2
Micron Reserved.
R/W
0
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