SMSC LAN9311 User Manual

Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface

Revision 1.4 (08-19-08)

48

SMSC LAN9311/LAN9311i

 

The Port 1 & 2 PHY energy-detect events are capable of asserting the PME output by additionally
setting the PME_EN and ED_EN2 (Port 2 PHY) or ED_EN1 (Port 1 PHY) bits of the 

.

The Host MAC provides wake-up frame and magic packet detection modes. When enabled in the 

 (via the WUEN bit for wake-up frames,

and the MPEN bit for magic packets), detection of wake-up frames or magic packets causes the WUFR
and MPR bits of the HMAC_WUCSR register to set, respectively. If either of the WUFR and MPR bits
are set, the WOL_STS bit of the 

 will be set. These

events can enable PME output assertion by additionally setting the PME_EN bit of the 

.

The IRQ interrupt output can be triggered by a wake-up frame or magic packet as described in 

Refer to 

 and 

 for additional details on these features.