PP7=Pull_down, PP4=Pull_down, PP2=Pull_down, PP0=Pull_down, PP6=Pull_down, PP1=Pull_down, PP5=Pull_down, PP3=Pull_down
Port 2 pull-up/pull-down select register
| PP0 | Pull-up/pull-down select port 2 bit 0 0 (Pull_down): Pull-down device is selected 1 (Pull_up): Pull-up device is selected (default) |
| PP1 | Pull-up/pull-down select port 2 bit 1 0 (Pull_down): Pull-down device is selected 1 (Pull_up): Pull-up device is selected (default) |
| PP2 | Pull-up/pull-down select port 2 bit 2 0 (Pull_down): Pull-down device is selected 1 (Pull_up): Pull-up device is selected (default) |
| PP3 | Pull-up/pull-down select port 2 bit 3 0 (Pull_down): Pull-down device is selected 1 (Pull_up): Pull-up device is selected (default) |
| PP4 | Pull-up/pull-down select port 2 bit 4 0 (Pull_down): Pull-down device is selected 1 (Pull_up): Pull-up device is selected (default) |
| PP5 | Pull-up/pull-down select port 2 bit 5 0 (Pull_down): Pull-down device is selected 1 (Pull_up): Pull-up device is selected (default) |
| PP6 | Pull-up/pull-down select port 2 bit 6 0 (Pull_down): Pull-down device is selected 1 (Pull_up): Pull-up device is selected (default) |
| PP7 | Pull-up/pull-down select port 2 bit 7 0 (Pull_down): Pull-down device is selected 1 (Pull_up): Pull-up device is selected (default) |