LAN9312-NU Standard Microsystems (SMSC), LAN9312-NU Datasheet - Page 100

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

Specifications of LAN9312-NU

• Number Of Primary Switch Ports: 2
• Operating Supply Voltage (typ): 3.3V
• Fiber Support: No
• Phy/transceiver Interface: MII
• Power Supply Type: Analog
• Data Rate (typ): 10/100Mbps
• Vlan Support: Yes
• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Pin Count: 128
• Mounting: Surface Mount
• Jtag Support: No
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Operating Temperature Classification: Commercial
• Data Rate: 100Mbps
• Lead Free Status / RoHS Status: Compliant

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Revision 1.7 (06-29-10)
Data path operations for the supported endian configurations are illustrated in Figure 8.1, "Little Endian
Byte Ordering" and Figure 8.2, "Big Endian Byte Ordering".
31
31
31
31
Figure 8.1 Little Endian Byte Ordering
Figure 8.2 Big Endian Byte Ordering
MSB
MSB
3
3
3
0
24
High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
24
24
24
32-BIT LITTLE ENDIAN
23
23
23
23
32-BIT BIG ENDIAN
DATASHEET
INTERNAL ORDER
INTERNAL ORDER
HOST DATA BUS
HOST DATA BUS
2
2
2
1
(END_SEL = 0)
(END_SEL = 1)
16
16
16
16
100
15
15
15
15
1
1
1
2
8
8
8
8
7
7
7
7
LSB
LSB
0
0
0
3
0
0
0
0
SMSC LAN9312
Datasheet