LAN9221-ABZJ Standard Microsystems (SMSC), LAN9221-ABZJ Datasheet - Page 25
LAN9221-ABZJ
Manufacturer Part Number
LAN9221-ABZJ
Description
Manufacturer
Standard Microsystems (SMSC)
Datasheet
1.LAN9221-ABZJ.pdf
(152 pages)
Specifications of LAN9221-ABZJ
Operating Supply Voltage (typ)
1.8/2.5/3.3V
Operating Supply Voltage (min)
1.62V
Operating Supply Voltage (max)
3.6V
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
56
Lead Free Status / RoHS Status
Compliant
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High-Performance 16-bit Non-PCI 10/100 Ethernet Controller with Variable Voltage I/O
Datasheet
SMSC LAN9221/LAN9221i
3.3
MCPAS
0
0
The Ethernet address fields of an Ethernet Packet, consists of two 6-byte fields: one for the destination
address and one for the source address. The first bit of the destination address signifies whether it is
a physical address or a multicast address.
The LAN9221/LAN9221i address check logic filters the frame based on the Ethernet receive filter mode
that has been enabled. Filter modes are specified based on the state of the control bits in
"Address Filtering
Function. These bits are defined in more detail in the “MAC Control Register”. Please refer to
5.4.1, "MAC_CR—MAC Control Register"
If the frame fails the filter, the Ethernet MAC function does not receive the packet. The host has the
option of accepting or ignoring the packet.
Address Filtering Functional Description
PRMS
0
0
Modes", which shows the various filtering modes used by the Ethernet MAC
INVFILT
0
0
Table 3.1 Address Filtering Modes
Figure 3.1 VLAN Frame
DATASHEET
HO
0
0
for more information on this register.
25
HPFILT
0
1
MAC address perfect filtering only
for all addresses.
MAC address perfect filtering for
physical address and hash filtering
for multicast addresses
DESCRIPTION
Revision 2.7 (03-15-10)
Table 3.1,
Section
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