LAN9311 Datasheet, PDF (347/461 Pages) SMSC Corporation – Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface

Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
14.5.2.24 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 RESERVED
17:16
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
15:0 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
SMSC LAN9311/LAN9311i
347
DATASHEET
Revision 2.0 (02-14-13)