Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK Data Sheet
Product codes
AT91SAM9G25-EK
1029
SAM9G25 [DATASHEET]
11032C–ATARM–25-Jan-13
45.6.25 User Input/Output Register
Name:
EMAC_USRIO
Address:
0xF802C0C0
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
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
–
–
–
–
–
–
–
–
7
6
5
4
3
2
1
0
–
–
–
–
–
–
CLKEN
RMII