Receive filter control register.
| AUE | AcceptUnicastEn. When set to 1, all unicast frames are accepted. |
| ABE | AcceptBroadcastEn. When set to 1, all broadcast frames are accepted. |
| AME | AcceptMulticastEn. When set to 1, all multicast frames are accepted. |
| AUHE | AcceptUnicastHashEn. When set to 1, unicast frames that pass the imperfect hash filter are accepted. |
| AMHE | AcceptMulticastHashEn. When set to 1, multicast frames that pass the imperfect hash filter are accepted. |
| APE | AcceptPerfectEn. When set to 1, the frames with a destination address identical to the station address are accepted. |
| RESERVED | Reserved. Read value is undefined, only zero should be written. |
| MPEW | MagicPacketEnWoL. When set to 1, the result of the magic packet filter will generate a WoL interrupt when there is a match. |
| RFEW | RxFilterEnWoL. When set to 1, the result of the perfect address matching filter and the imperfect hash filter will generate a WoL interrupt when there is a match. |
| RESERVED | Unused |