Datasheet
484
AT32UC3A
29.7.26 User Input/Output Register
Register Name: USRIO
Access Type: Read/Write
• RMII
When set, this bit enables the MII operation mode. When reset, it selects the RMII mode.
• EAM
When set, this bit causes a frame to be copied to memory, if this feature is enabled by the EAE bit in NCFGR. Otherwise,
no frame is copied.
• TX_PAUSE
Toggling this bit causes a PAUSE frame to be transmitted.
• TX_PAUSE_ZERO
Selects either zero or the transmit quantum register as the transmitted pause frame quantum.
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
– – – –
TX_PAUSE_
ZERO
TX_PAUSE EAM RMII
32058K
AVR32-01/12