LAN9312-NZW Standard Microsystems (SMSC), LAN9312-NZW Datasheet - Page 409

• Manufacturer Part Number: LAN9312-NZW
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LAN9312-NZW

• Lead Free Status / RoHS Status: Supplier Unconfirmed

High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9312
BITS
10:9
7:4
3:2
8
1
0
Source Port B
When bit 8 is set, these bits indicate the source port on which the packet
was dropped.
00 = Port 0
01 = Port 1
10 = Port 2
11 = RESERVED
Set B Valid
When set, bits 14:9 are valid.
Drop Reason A
When bit 1 is set, these bits indicate the reason a packet was dropped. See
the Drop Reason B description above for definitions of each value of this
field.
Source port A
When bit 1 is set, these bits indicate the source port on which the packet
was dropped.
00 = Port 0
01 = Port 1
10 = Port 2
11 = RESERVED
Set A Valid
When set, bits 7:2 are valid.
Interrupt Pending
When set, a packet dropped event(s) is indicated.
DESCRIPTION
DATASHEET
409
TYPE
RC
RC
RC
RC
RC
RC
Revision 1.7 (06-29-10)
DEFAULT
00b
00b
0b
0h
0b
0b