LAN9312-NU SMSC, LAN9312-NU Datasheet - Page 100

• Manufacturer Part Number: LAN9312-NU
• Description: Ethernet ICs Hi Per 2 Port 10/100 Ethernet Switch
• Manufacturer: SMSC
• Type: Two Port Managed Ethernet Switchr

Specifications of LAN9312-NU

• Ethernet Connection Type: 10 Base-T, 100 Base-TX
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Product: Ethernet Switches
• Number Of Transceivers: 1
• Standard Supported: 802.3, 802.3u
• Data Rate: 10 Mbps, 100 Mbps
• Supply Voltage (max): 3.3 V
• Supply Voltage (min): 0 V
• Supply Current (max): 185 mA, 295 mA
• Maximum Operating Temperature: + 70 C
• Package / Case: TQFP-100
• Lead Free Status / RoHS Status: Lead free / RoHS 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