LAN9500 Datasheet, PDF (101/213 Pages) SMSC Corporation – USB 2.0 to 10/100 Ethernet Controller Promiscuous mode

LAN950x
Broadcast Frame Received, and “Good Frame” Received, wake events, as well as provision for an additional wakeup
event to signal PHY Link Up via GPIO7, is reflected in the LAN9500A/LAN9500Ai detection logic. The following sections
illustrate and discuss the detection logic for all of the devices in theLAN950x family.
5.12.1.1 LAN9500/LAN9500i Wake Detection Logic
A simplified diagram of the wake event detection logic for LAN9500/LAN9500i is shown in Figure 5-30.
FIGURE 5-30:
WUEN
(WUSCR Register)
RW
WUFR
(WUSCR Register)
MPEN
(WUSCR Register)
RW
MPR
(WUSCR Register)
GUE
(WUSCR Register)
RW
WUEN
(WUSCR Register)
RW
WUFR
(WUSCR Register)
WAKE EVENT DETECTION BLOCK DIAGRAM (LAN9500/LAN9500I)
SUSPEND0
SUSPEND1
SUSPEND2
GPIO0_DET
.
.
.
GPIO10_DET
WOL_EN
(PMT_CTL Register)
RW
WUPS[1]
(PMT_CTL Register)
ED_EN
(PMT_CTL Register)
RW
WUPS[0]
(PMT_CTL Register)
remote_wake
Note: Diagram does not represent actual hardware implementation.
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DS00001875A-page 101