LAN9311-NU Standard Microsystems (SMSC), LAN9311-NU Datasheet - Page 413

• Manufacturer Part Number: LAN9311-NU
• Description: TWO PORT 10/100 MANAGED ETHERNET SWITCH
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LAN9311-NU

• Lead Free Status / RoHS Status: Compliant

Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9311/LAN9311i
14.5.4.2
31:16
BITS
15:8
7:0
RESERVED
Drop Level Low
These bits specify the buffer limit that can be used per ingress port during
times when 2 or 3 ports are active.
Each buffer is 128 bytes.
Note:
Drop Level High
These bits specify the buffer limit that can be used per ingress port during
times when 1 port is active.
Each buffer is 128 bytes.
Note:
Buffer Manager Drop Level Register (BM_DROP_LVL)
This register configures the overall buffer usage limits.
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 #:
1C01h
DESCRIPTION
DATASHEET
413
Size:
32 bits
TYPE
R/W
R/W
RO
Revision 1.7 (06-29-10)
DEFAULT
49h
64h
-