LAN9303 Datasheet, PDF (250/366 Pages) SMSC Corporation – Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII

Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII
Datasheet
13.4.2.24 Port x MAC Transmit Flow Control Settings Register (MAC_TX_FC_SETTINGS_x)
Register #:
Port0: 0441h
Port1: 0841h
Port2: 0C41h
Size:
32 bits
This read/write register configures the flow control settings of the port.
BITS
DESCRIPTION
31:18
17:16
15:0
RESERVED
Backoff Reset RX/TX
Half duplex-only. Determines when the truncated binary exponential backoff
attempts counter is reset.
00 = Reset on successful transmission (IEEE standard)
01 = Reset on successful reception
1X = Reset on either successful transmission or reception
Pause Time Value
The value that is inserted into the transmitted pause packet when the switch
wants to “XOFF” its link partner.
TYPE
RO
R/W
R/W
DEFAULT
-
00b
FFFFh
Revision 1.3 (08-27-09)
250
DATASHEET
SMSC LAN9303/LAN9303i