LAN9312-NU SMSC, LAN9312-NU Datasheet - Page 387

• 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

High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9312
14.5.3.20
31:16
15:14
13:12
11:10
BITS
9:8
7:6
5:4
3:2
1:0
RESERVED
Priority 7 traffic Class
These bits specify the egress queue that is used for packets with a priority
of 7.
Priority 6 traffic Class
These bits specify the egress queue that is used for packets with a priority
of 6.
Priority 5 traffic Class
These bits specify the egress queue that is used for packets with a priority
of 5.
Priority 4 traffic Class
These bits specify the egress queue that is used for packets with a priority
of 4.
Priority 3 traffic Class
These bits specify the egress queue that is used for packets with a priority
of 3.
Priority 2 traffic Class
These bits specify the egress queue that is used for packets with a priority
of 2.
Priority 1 traffic Class
These bits specify the egress queue that is used for packets with a priority
of 1.
Priority 0 traffic Class
These bits specify the egress queue that is used for packets with a priority
of 0.
Switch Engine Priority to Queue Register (SWE_PRI_TO_QUE)
This register specifies the Traffic Class table that maps the packet priority into the egress queues.
Register #:
1845h
DESCRIPTION
DATASHEET
387
Size:
32 bits
TYPE
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
RO
Revision 1.7 (06-29-10)
DEFAULT
11b
11b
10b
10b
01b
00b
00b
01b
-