 Input/Output Multiplexer Controller. Bit(s) Field Description Remarks 00 HYS 0 - CMOS input 0 - Schmitt trigger input 00-00 PUS 00 - 000 kOhm Pull Down 00 - 00 kOhm Pull Up 00 - 000 kOhm Pull Up 00 - 00 kOhm Pull Up 00 PUE 0 - Keeper enable 0 - Pull enable Selection between keeper and pull up/down function 00 PKE 0 - Pull/Keeper Disabled 0 - Pull/Keeper Enabled Enable 