W83977EF Datasheet, PDF (108/150 Pages) Winbond – WINBOND I/O

Bit 0: In/Out selection.
= 1 Input.
= 0 Output.
CRE1 (GP11, Default 0x01)
Bit 7 - 5: Reserved.
Bit 4: IRQ Filter Select
= 1 Debounce Filter Enabled
= 0 Debounce Filter Bypassed
Bit 3: Select Function.
= 1 Select Alternate Function: Interrupt Steering.
= 0 Select Basic I/O Function.
Bit 2: Reserved.
Bit 1: Polarity.
= 1 Invert.
= 0 No Invert.
Bit 0: In/Out selection.
= 1 Input.
= 0 Output.
W83977EF
-102 -
Publication Release Date: April 2003
Revision 1.1