12 wakeup control and status register (wucsr), Wakeup control and status register (wucsr), Wakeup control and status – SMSC LAN9420 User Manual
Page 133: Register (wucsr), Wakeup frame enable (wake_en), Of the, Is set. all o, Section 4.4.12, "wakeup control and status, Place, Section
Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface
Datasheet
SMSC LAN9420/LAN9420i
133
Revision 1.22 (09-25-08)
DATASHEET
4.4.12
Wakeup Control and Status Register (WUCSR)
This register contains data pertaining to the MAC’s remote wakeup status and capabilities.
Offset:
00ACh
Size:
32 bits
BITS
DESCRIPTION
TYPE
DEFAULT
31:10
RESERVED
RO
-
9
Global Unicast Enable (GUE)
When set, the MAC wakes up from power-saving mode on receipt of a
global unicast frame. A global unicast frame has the MAC Address [0] bit
set to 0.
0b
8:7
RESERVED
RO
-
6
Remote Wakeup Frame Received (WUFR)
The MAC sets this bit upon receiving a valid remote wakeup frame.
R/WC
0b
5
Magic Packet Received (MPR)
The MAC sets this bit upon receiving a valid Magic Packet.
R/WC
0b
4-3
RESERVED
RO
-
2
Wakeup Frame Enable (WAKE_EN)
When set, remote wakeup mode is enabled and the MAC is capable of
detecting wakeup frames as programmed in the Wakeup Frame Filter.
R/W
0b
1
Magic Packet Enable (MPEN)
When set, Magic Packet wakeup mode is enabled.
R/W
0b
0
RESERVED
RO
-