LAN9311-NZW Standard Microsystems (SMSC), LAN9311-NZW Datasheet - Page 414

• Manufacturer Part Number: LAN9311-NZW
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LAN9311-NZW

• Number Of Primary Switch Ports: 2
• Internal Memory Buffer Size: 32
• Operating Supply Voltage (typ): 3.3V
• Fiber Support: No
• Integrated Led Drivers: Yes
• 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

Revision 1.7 (06-29-10)
14.5.4.3
31:16
BITS
15:8
7:0
RESERVED
Pause Level Low
These bits specify the buffer usage level during times when 2 or 3 ports are
active.
Each buffer is 128 bytes.
Note:
Pause Level High
These bits specify the buffer usage level during times when 1 port is active.
Each buffer is 128 bytes.
Note:
Buffer Manager Flow Control Pause Level Register (BM_FC_PAUSE_LVL)
This register configures the buffer usage level when a Pause frame or backpressure is sent.
A port is “active” when 36 buffers are in use for that port.
A port is “active” when 36 buffers are in use for that port.
Register #:
1C02h
DESCRIPTION
DATASHEET
414
Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Size:
32 bits
TYPE
R/W
R/W
SMSC LAN9311/LAN9311i
RO
DEFAULT
3Ch
21h
Datasheet
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