SLAU723A October 2017 – October 2018 MSP432E401Y , MSP432E411Y
The Ethernet MAC module supports a pulse-per-second output feature such that the signal, EN0PPS, can indicate one second intervals. The frequency of the EN0PPS output can be changed by setting the PPSCTRL bit field of the Ethernet MAC PPS Control (EMACPPSCTRL) register, offset 0x72C.