w83977atg Winbond Electronics Corp America, w83977atg Datasheet - Page 164

• Manufacturer Part Number: w83977atg
• Description: W83877tf Plus Kbc, Gp I/o, Wake-up, Fir, Cir, Pb-free
• Manufacturer: Winbond Electronics Corp America

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 0x00-0x19, and the
range of CIR wake-up index range register is 0x20-0x2F.
CRE2 Keyboard Wake-up Data Register
This register holds the value of wake-up key register indicated by CRE1. This register can be
read/write.
CRE3 (Read only) Keyboard/Mouse Wake-up Status Register
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7-4
Bit 3
Bit 2
Bit 1
Bit 2
: Reserved.
: CIR_STS. The Panel switch event is caused by CIR wake-up event. This bit is cleared
by reading this register
: PANSW_STS. The Panel switch event is caused by PANSWIN . This bit is cleared by
reading this register.
: Mouse_STS. The Panel switch event is caused by Mouse wake-up event. This bit is
cleared by reading this register.
: Keyboard_STS. The Panel switch event is caused by Keyboard wake-up event. This bit
is cleared by reading this register.
: ENMSWAKEUP. Enable Mouse to wake-up system via PANSWOUT .
= 0
= 1
: MSRKEY. Select Mouse Left/Right Botton to wake-up system via PANSWOUT .
= 0
= 1
: CIRKEY. Select CIR wake-up system via PANSWOUT .
= 0
= 1
: KB/MS Swap. Enable Keyboard/Mouse port-swap.
= 0
= 1
: MSXKEY. Enable any character received from Mouse to wake-up the system.
= 0
= 1
4
: KBXKEY. Enable any character received from Keyboard to wake-up the system.
= 0
= 1
Just clicking Mouse left/right-button twice can wake the system up.
Any character received from Mouse can wake the system up (the setting of Bit
Disable Mouse wake-up function.
Enable Mouse wake-up function.
Select click on Mouse Left-button twice to wake the system up.
Select click on Mouse right-button twice to wake the system up.
Disable CIR wake-up function.
Enable CIR wake-up function.
Keyboard/Mouse ports are not swapped.
Keyboard/Mouse ports are swapped.
Only predetermined specific key combination can wake up the system.
Any character received from Keyboard can wake up the system.
is ignored).
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W83977ATF/W83977ATG