Datasheet

SAM3X / SAM3A [DATASHEET]
Atmel-11057C-ATARM-SAM3X-SAM3A-Datasheet_23-Mar-15
1288
41.6.25 User Input/Output Register
Name: EMAC_USRIO
Address: 0x400B00C0
Access: Read-write
•RMII: Reduce MII
When set, this bit enables the RMII operation mode. When reset, it selects the MII mode.
• CLKEN: Clock Enable
When set, this bit enables the transceiver input clock.
Setting this bit to 0 reduces power consumption when the treasurer is not used.
31 30 29 28 27 26 25 24
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23 22 21 20 19 18 17 16
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15 14 13 12 11 10 9 8
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76543210
––––––CLKENRMII