SMSC LAN9420i Manual De Usuario
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.
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.
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.
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.
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.
When set, Magic Packet wakeup mode is enabled.
R/W
0b
0
RESERVED
RO
-