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參數(shù)資料
型號: W83977TF
廠商: WINBOND ELECTRONICS CORP
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: 多功能I / O端口控制器(用于個人計算機的多功能輸入/輸出口控制器)
文件頁數(shù): 129/160頁
文件大小: 1012K
代理商: W83977TF
W83977TF
PRELIMINARY
Publication Release Date: March 1998
-118-
Revision 0.62
CRE1 (Default 0x00) Keyboard Wake-up Index Register
This register is used to indicate which Keyboard Wake-up Shift register or Predetermined key
Register is to be read/written via CRE2.
CRE2 Keyboard Wake-up Data Register
CRE3 (Read only) Keyboard/Mouse Wake-up Status Register
Bit 7-3: Reserved.
Bit 0: KBXKEY. Enable any character received from Keyboard to wake-up the system.
= 0
Only predetermined specific key combination can wake up the system.
= 1
Any character received from Keyboard can wake up the system.
CRE4 This Register is reserved for test.
CRF0 (Default 0x00)
Bit 7: CHIPPME. Chip level power management enable.
= 0
disable the ACPI/Legacy and the auto power management functions
= 1
enable the ACPI/Legacy and the auto power management functions.
Bit 6 - 4: Reserved. Return zero when read.
Bit 3: PRTPME. Printer port power management enable.
= 0
disable the auto power management functions.
= 1
enable the auto power management functions provided
CRF0.bit7 (CHIPPME) is also set to 1.
Bit 2:
FDCPME
.
FDC
power management enable.
= 0
disable the auto power management functions.
= 1
enable the auto power management functions provided
CRF0.bit7 (CHIPPME) is also set to 1.
Bit 1:
URAPME
.
UART A
power management enable.
= 0
disable the auto power management functions.
= 1
enable the auto power management functions provided
CRF0.bit7 (CHIPPME) is also set to 1.
Bit 0:
URBPME
.
UART B
power management enable.
= 0
disable the auto power management functions.
= 1
enable the auto power management functions provided
CRF0.bit7 (CHIPPME) is also set to 1.
Bit 2: PANSW_STS. The Panel switch event is caused by
PANSWIN
. This bit is cleared by
reading this register.
Bit 1: Mouse_STS. The Panel switch event is caused by Mouse wake-up event. This bit is
cleared by reading this register.
Bit 0
: Keyboard_STS. The Panel switch event is caused by Keyboard wake-up event. This bit is
cleared by reading this register.
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