Signal name Recommended pin connection
Description
RXD[0:1]
Receive data 2-bit
RXD[2:3]
RX_ER
RX_CLK
TX_EN
Not used in RMII mode
Not used in RMII mode
Receive error
Transmit enable
TXD[0:1]
TXD[2:3]
TX_ER
Transmit data 2-bit
Not used in RMII mode
Not used in RMII mode
10.3 Ethernet Wake-on-LAN
The MACB controller supports Ethernet Wake-on-LAN (WOL), which can be used to
wake the UC3 C core on network activity. Figure 10-3 shows an example of how the
WOL output signal can be routed to an external interrupt input.
Figure 10-3. MACB WOL to external interrupt example schematic.
Table 10-3. MACB WOL connection checklist.
Signal name Recommended pin connection
MACB – WOL
Description
MACB Wake-on-LAN output
EIC external interrupt input
EIC - EXTINT
18
AVR32768
32157A-AVR-12/10
ATMEL [ ATMEL ]
