Setup the 8-bit port Tibbit in visual LTPS Web Configurator or as described in Configuring TPS Agent:
After writing settings and reboot LTPS Tibbits tab with subtab Port extenders will appear:
All pins can be configured independently and by default is in the input mode.
Value check box apply if the corresponding pin is configured as an output.
If the corresponding pin is configured as an input,
the corresponding pin can be internally pulled up
with a 100 kOhm resistor by checking Pullup check box.