SAM7X128_14 Datasheet, PDF (570/662 Pages) ATMEL Corporation – ARM-based Flash MCU

37.5.25 User Input/Output Register
Register Name:
EMAC_USRIO
Access Type:
Read-write
31
30
29
28
27
26
–
–
–
–
–
–
23
22
21
20
19
18
–
–
–
–
–
–
15
14
13
12
11
10
–
–
–
–
–
–
7
6
5
4
3
2
–
–
–
–
–
–
• RMII
When set, this bit enables the RMII operation mode. When reset, it selects the MII mode.
• CLKEN
When set, this bit enables the transceiver input clock.
Setting this bit to 0 reduces power consumption when the treasurer is not used.
25
–
17
–
9
–
1
CLKEN
24
–
16
–
8
–
0
RMII
SAM7X Series [DATASHEET]
6120K–ATARM–11-Feb-14
570