LAN9311-NZW Standard Microsystem (Smsc), LAN9311-NZW Datasheet - Page 414

• Manufacturer Part Number: LAN9311-NZW
• Description: Ethernet Switch 2-Port 10Mbps/100Mbps 128-Pin XVTQFP
• Manufacturer: Standard Microsystem (Smsc)

Specifications of LAN9311-NZW

• Package: 128XVTQFP
• Phy/transceiver Interface: MII
• Number Of Primary Switch Ports: 2
• Maximum Data Rate: 100 Mbps
• Internal Memory Buffer Size: 32 KB
• Vlan Support: Yes
• Power Supply Type: Analog
• Minimum Single Supply Voltage: 3 V
• Maximum Single Supply Voltage: 3.6 V
• Maximum Supply Current: 0.295 A
• Maximum Power Dissipation: 1070 mW

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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