Port input state register
| IN0 | IO pin state for pin 0 ‘0’: Low logic level present on pin. ‘1’: High logic level present on pin. |
| IN1 | IO pin state for pin 1 |
| IN2 | IO pin state for pin 2 |
| IN3 | IO pin state for pin 3 |
| IN4 | IO pin state for pin 4 |
| IN5 | IO pin state for pin 5 |
| IN6 | IO pin state for pin 6 |
| IN7 | IO pin state for pin 7 |
| FLT_IN | Reads of this register return the logical state of the filtered pin as selected in the INTR_CFG.FLT_SEL register. |