Masked port register port 0
| MPORTP0 | Masked port register (bit 0 = P0_0, bit 1 = P0_1, …, bit 17 = P0_17). 0 = Read: pin is LOW and/or the corresponding bit in the MASK register is 1; write: clear output bit if the corresponding bit in the MASK register is 0. 1 = Read: pin is HIGH and the corresponding bit in the MASK register is 0; write: set output bit if the corresponding bit in the MASK register is 0. |
| RESERVED | Reserved. |