High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
14.3.12 Host MAC Wake-up Control and Status Register (HMAC_WUCSR)
Offset:
Ch
Size:
32 bits
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.
BITS
DESCRIPTION
TYPE
DEFAULT
31:10
9
RESERVED
RO
-
Global Unicast Enable (GUE)
R/W
0b
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 [1:0]
bits set to 0.
8:7
6
RESERVED
RO
-
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
2
RESERVED
RO
-
Wake-Up Frame enabled (WUEN)
R/W
0b
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).
1
0
Magic Packet Enable (MPEN)
R/W
RO
0b
-
When set, Magic Packet Wake-up mode is enabled.
RESERVED
SMSC LAN9312
285
Revision 1.2 (04-08-08)
DATASHEET
SMSC [ SMSC CORPORATION ]
