Mask register port 0
MASKP0 | Controls which bits corresponding to P0_n are active in the P0MPORT register (bit 0 = P0_0, bit 1 = P0_1, …, bit 17 = P0_17). 0 = Read MPORT: pin state; write MPORT: load output bit. 1 = Read MPORT: 0; write MPORT: output bit not affected. |
RESERVED | Reserved. |