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參數資料
型號: W83877TF
廠商: WINBOND ELECTRONICS CORP
元件分類: 外設及接口
英文描述: Multi-Function I/O Port Controller(用于個人計算機的多功能輸入/輸出口控制器)
中文描述: MULTIFUNCTION PERIPHERAL, PQFP100
封裝: QFP-100
文件頁數: 145/154頁
文件大小: 821K
代理商: W83877TF
W83877TF
Publication Release Date: March 1998
- 119 -
Version 0.61
1
2
3
4
5
6
7
0
SCI_EN
BM_RLD
GBL_RLD
Reserved
Reserved
Reserved
Reserved
Reserved
Bit
Name
Description
0
SCI_EN
Selects the power management event to be either an SCI or an SMI interrupt.
When this bit is set, then the power management events will generate an SCI
interrupt. When this bit is reset and SMI_EN bit is set, then the power
management events will generate an SMI interrupt.
1
BM_RLD
This is the bus master reload enable bit. If this bit is set and BM_CNTRL is
set, an SCI interrupt is raised.
2
GBL_RLS
The global release bit. This bit is used by the ACPI software to raise an event
to the BIOS software. The BIOS software has a corresponding enable and
status bit to control its ability to receive the ACPI event. Setting GBL_RLS
sets BIOS_STS, and it generates an SMI interrupt if BIOS_EN is also set.
3-7
Reserved
Reserved. These bits always return a value of zero.
8.4.6 Power Management 1 Control Register 2 (PM1CTL2)
Register Location:
<CR33>+5H System I/O Space
Default Value:
00h
Attribute:
Read/write
Size:
8 bits
1
2
3
4
5
6
7
0
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Bit
Name
Description
0-7
Reserved
Reserved. These bits always return a value of zero.
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