w83977atg Winbond Electronics Corp America, w83977atg Datasheet - Page 158

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

CREC (GP24, Default 0x01)
CRED (GP25, Default 0x01)
CREE (GP26, Default 0x01)
CRF0 (Default 0x00)
Debounce Filter Enable or Disable for General Purpose I/O Combined Interrupt. The Debounce Filter
can reject a pulse with 1ms width or less.
Bit 7 - 5
Bit 4 - 3
Bit 2
Bit 1
Bit 0
Bit 7 - 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7 - 3
Bit 2
Bit 1
Bit 0
Bit 7 - 4
Bit 3
: Reserved.
: Select Function.
= 00
= 01
= 10
= 11
: Int En
= 1
= 0
: Polarity: 1: Invert, 0: No Invert
: In/Out: 1: Input, 0: Output
: Reserved.
: Select Function.
= 1
= 0
: Int En
= 1
= 0
: Polarity: 1: Invert, 0: No Invert
: In/Out: 1: Input, 0: Output
: Reserved.
: Int En
= 1
= 0
: Polarity: 1: Invert, 0: No Invert
: In/Out: 1: Input, 0: Output
: Reserved
: GP Common IRQ Filter Select
Select Basic I/O function
Reserved
Select 2nd alternate function: Keyboard P16 I/O
Reserved
Enable Common IRQ
Disable Common IRQ
Select alternate function: GATE A20 (Connect to KBC P21).
Select basic I/O function
Enable Common IRQ
Disable Common IRQ
Enable Common IRQ
Disable Common IRQ
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W83977ATF/W83977ATG