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): 59/145頁
文件大?。?/td> 2285K
代理商: MT8LLN22NCNE
Coppertail Product Specification
MT8LLN22NCNE.fm – Rev. 1, Pub. 2/02
20
2002, Micron Technology Inc.
PRELIMINARY
MT8LLN22NCNE
COPPERTAIL
CONFIGURATION
Peripheral Bus Controller Internal
Configuration Registers
The I/O Controller internal PCI configuration space
is accessed through PCI Type 0 Configuration cycles.
The bus, device, and function of each of the integrated
PCI devices are shown in Table 1. Device 7h is sug-
gested to remain compatible with some BIOS develop-
ers.
Configuration Register Properties
Each of the configuration fields has certain read/
write properties. Each of the configuration registers is
described below. The property field indicates the read/
write properties of a register bit field. Valid properties
are listed below. Fields marked, as “reserved” shall be
ignored by software during READs, while software
WRITE shall be performed as a READ-modify-WRITE
operation. Following this procedure will ensure
upward compatibility with future revisions.
PCI-LPC Bridge Configuration Register
Map (Function 0)
The configuration mapping used for the PCI-LPC
Bridge integrated in I/O Controller is shown in Table 4.
Table 1
Integrated PCI Device Addressing
DEVICE ID
BUS
DEVICE
FUNCTION
FUNCTION DESCRIPTION
3470
0
7h
0
LPC and Legacy System Controller
3471
0
7h
1
SMBus Controller
3472
0
7h
2
IDE Controller
3473
0
7h
3
USB Controller
R/W
Read/Write.
R/O
Read Only.
R/WSO
Read/Write Set Once. Field may only be written with a 1 one time only. Reset is required to
reset the field to 0.
R/WOTC
Read/Write One to Clear.
R/WP
Read/Write Protect. Field may be write protected with a lock bit.
W/O
Write Only. Read value is indeterminate.
Table 2
Bus 0, Device 7h, Function 0h
OFFSET
REGISTER NAME
RESET VALUE
TYPE
00-01h
Vendor ID
1344h
R/O
02-03h
Device ID
3470h
R/O
04-05h
Command
0003h
R/O R/W
06-07h
Status
0210h
R/WOTC R/O
08h
Revision ID
00h
R/O
09-0Bh
Class Code
060100h
R/O
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