lan9303m Standard Microsystems Corp., lan9303m Datasheet - Page 332

• Manufacturer Part Number: lan9303m
• Description: Small Form Factor Three Port 10/100 Managed Ethernet Switch With Dual Mii/rmii/turbo Mii
• Manufacturer: Standard Microsystems Corp.

Revision 1.3 (08-27-09)
13.4.4.2
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
Small Form Factor Three Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MII
DATASHEET
332
Size:
32 bits
SMSC LAN9303M/LAN9303Mi
TYPE
R/W
R/W
RO
DEFAULT
49h
64h
Datasheet
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