LAN9500 Datasheet, PDF (172/213 Pages) SMSC Corporation – USB 2.0 to 10/100 Ethernet Controller Promiscuous mode

LAN950x
7.4.12 WAKEUP CONTROL AND STATUS REGISTER (WUCSR)
Address:
12Ch
Size:
32 bits
This register contains data pertaining to the MAC’s remote wakeup status and capabilities.
Bits
31
30:10
9
8
7
6
5
4
3
2
1
0
Description
WFF Pointer Reset (WFF_PTR_RST)
This self-clearing bit resets the Wakeup Frame Filter (WFF) internal read and
write pointers to the beginning of the WFF.
RESERVED
Global Unicast Wakeup Enable (GUEN)
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.
Note: The Wakeup Frame Enable (WUEN) bit of this register must also be
set to enable wakeup.
RESERVED
(LAN9500A/LAN9500Ai ONLY, Otherwise RESERVED)
Perfect DA Frame Received (PFDA_FR)
The MAC sets this bit upon receiving a valid frame with a destination
address that matches the physical address.
Remote Wakeup Frame Received (WUFR)
The MAC sets this bit upon receiving a valid remote Wakeup Frame.
Magic Packet Received (MPR)
The MAC sets this bit upon receiving a valid Magic Packet.
(LAN9500A/LAN9500Ai ONLY, Otherwise RESERVED)
Broadcast Frame Received (BCAST_FR)
The MAC Sets this bit upon receiving a valid broadcast frame.
(LAN9500A/LAN9500Ai ONLY, Otherwise RESERVED)
Perfect DA Wakeup Enable (PFDA_EN)
When set, remote wakeup mode is enabled and the MAC is capable of
waking up on receipt of a frame with a destination address that matches
the physical address of the device. The physical address is stored in
the MAC Address High Register (ADDRH) and MAC Address Low Register
(ADDRL).
Wakeup Frame Enable (WUEN)
When set, remote wakeup mode is enabled and the MAC is capable of
detecting Wakeup Frames as programmed in the Wakeup Frame Filter.
Magic Packet Enable (MPEN)
When set, Magic Packet wakeup mode is enabled.
(LAN9500A/LAN9500Ai ONLY, Otherwise RESERVED)
Broadcast Wakeup Enable (BCAST_EN)
When set, remote wakeup mode is enabled and the MAC is capable of
waking up from a broadcast frame.
Type
SC
RO
R/W
RO
R/WC
R/WC
R/WC
R/WC
R/W
R/W
R/W
R/W
Default
0b
-
0b
-
0b
0b
0b
0b
0b
0b
0b
0b
DS00001875A-page 172
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