W83977G Winbond Electronics Corp America, W83977G Datasheet - Page 149

• Manufacturer Part Number: W83977G
• Description: W83877TF plus KBC, CIR, RTC, Pb-free
• Manufacturer: Winbond Electronics Corp America

CREA (GP22, Default 0x01)
CREB (GP23, Default 0x01)
CREC (GP24, Default 0x01)
Bit 1 : Polarity : 1 : Invert, 0 : No Invert
Bit 0 : In/Out : 1 : Input, 0 : Output
Bit 7-5 : Reserved.
Bit 4-3 : Select Function.
Bit 2 : Int En
Bit 1 : Polarity : 1 : Invert, 0 : No Invert
Bit 0 : In/Out : 1 : Input, 0 : Output
Bit 7-5 : Reserved.
Bit 4-3 : Select Function.
Bit 2 : Int En
Bit 1 : Polarity : 1 : Invert, 0 : No Invert
Bit 0 : In/Out : 1 : Input, 0 : Output
Bit 7-5 : Reserved.
Bit 4-3 : Select Function.
Bit 2 : Int En
W83977F-A/ W83977G-A/ W83977AF-A/ W83977AG-A
= 1
= 0
= 00 Select Basic I/O function.
= 01 Reserved
= 10 Select 2nd alternate function : Keyboard P14 I/O.
= 11 Reserved
= 1
= 0
= 00 Select Basic I/O function
= 01 Reserved
= 10 Select 2nd alternate function : Keyboard P15 I/O
= 11 Reserved
= 1
= 0
= 00 Select Basic I/O function
= 01 Reserved
= 10 Select 2nd alternate function : Keyboard P16 I/O
= 11 Reserved
Enable Common IRQ
Disable Common IRQ
Enable Common IRQ
Disable Common IRQ
Enable Common IRQ
Disable Common IRQ
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Publication Release Date: May 2006
Revision 0.60