SMSC LAN9312 - Manual (Page 284)

High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
Revision 1.4 (08-19-08) 284 SMSC LAN9312
DATASHEET
14.3.12 Host MAC Wake-up Control and Status Register (HMAC_WUCSR)
This read/write register contains data and control settings pertaining to the Host MAC’s remote wake-
up status and capabilities. It is used in conjunction with the
Host MAC Wake-up Frame Filter Register
(HMAC_WUFF) to fully configure the wake-up frame filter. Refer to Section 9.5, "Wake-up Frame
Detection," on page 116 for additional information.
Offset: Ch Size: 32 bits
BITS DESCRIPTION TYPE DEFAULT
31:10 RESERVED RO -
9 Global Unicast Enable (GUE)
When set, the Host MAC wakes up from power-saving mode on receipt of
a global unicast frame. This is accomplished by enabling global unicasts as
a wakeup frame qualifier. A global unicast frame has the MAC Address [0]
bits set to 0. R/W 0b
8:7 RESERVED RO -
6 Remote Wake-Up Frame Received (WUFR)
The Host MAC sets this bit upon receiving a valid Remote Wake-up frame. R/WC 0b
5 Magic Packet Received (MPR)
The Host MAC sets this bit upon receiving a valid Magic Packet R/WC 0b
4-3 RESERVED RO -
2 Wake-Up Frame enabled (WUEN)
When set, Remote Wake-Up mode is enabled and the Host MAC is capable
of detecting wake-up frames as programmed in the
Host MAC Wake-up
Frame Filter Register (HMAC_WUFF) .
R/W 0b
1 Magic Packet Enable (MPEN)
When set, Magic Packet Wake-up mode is enabled. R/W 0b
0 RESERVED RO -