W83977EF Winbond Electronics Corp America, W83977EF Datasheet - Page 116

• Manufacturer Part Number: W83977EF
• Description: Description = W83877TF Plus Kbc, GP I/O, Wake-Up, Power Fail Resume ;; Package = QFP 128
• Manufacturer: Winbond Electronics Corp America

10.9 Logical Device A (ACPI)
CR30 (Default 0x00)
CR70 (Default 0x00)
CRE0 (Default 0x00)
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. The range of Keyboard Wake-Up index register is 0x00 -
0x0E,
CRE2 Keyboard Wake-Up Data Register
Bit 6: ENKBWAKEUP. Enable Keyboard to Wake-Up system via PANSWOUT#.
Bit 5: ENMSWAKEUP. Enable Mouse to Wake-Up system via PANSWOUT#.
Bit 3: Reserved.
Bit 2: KB/MS Swap. Enable Keyboard/Mouse port-swap.
Bit 7 - 1: Reserved.
Bit 0: = 1 Activates the logical device.
Bit 7 - 4: Reserved.
Bit 3 - 0: These bits select IRQ resources for SCI#.
Bit 7: DIS-PANSWIN. Disable panel switch input to turn system power supply on.
Bit 4: MSRKEY. Select Mouse Left/Right Botton to Wake-Up system via PANSWOUT#.
Bit 1: MSXKEY. Enable any character received from Mouse to Wake-Up the system.
Bit 0: KBXKEY. Enable any character received from Keyboard to Wake-Up the system.
= 0 Logical device is inactive.
= 0
= 1
= 0
= 1
= 0
= 1
= 0
= 1
= 0
= 1
= 0
= 1
= 0
= 1
PANSWIN# is wire-ANDed and connected to PANSWOUT#.
PANSWIN# is blocked and can not affect PANSWOUT#.
Disable Keyboard Wake-Up function.
Enable Keyboard Wake-Up function.
Disable Mouse Wake-Up function.
Enable Mouse Wake-Up function.
Select click on Mouse Left-botton to Wake the system up.
Select click on Mouse right-botton to Wake the system up.
Keyboard/Mouse ports are not swapped.
Keyboard/Mouse ports are swapped.
Just clicking Mouse left/right-botton twice can Wake the system up.
Just clicking Mouse left/right-botton once can Wake the system up.
Only predetermined specific key combination can Wake-Up the system.
Any character received from Keyboard can Wake-Up the system.
-110 -
Publication Release Date: April 2003
W83977EF
Revision 1.1