MDIOS clear flag register
| CPERF | clear the preamble error flag Writing 1 to this bit clears the PERF flag (in MDIOS_SR). |
| CSERF | clear the start error flag Writing 1 to this bit clears the SERF flag (in MDIOS_SR). When DPC = 1 (MDIOS_CR[7]), the SERF flag must be cleared only when there is not a frame already in progress. |
| CTERF | clear the turnaround error flag Writing 1 to this bit clears the TERF flag (in MDIOS_SR). When DPC = 1 (MDIOS_CR[7]), the TERF flag must be cleared only when there is not a frame already in progress. |