SMSC LAN9311 User Manual

Page of 460
Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9311/LAN9311i
347
Revision 1.4 (08-19-08)
DATASHEET
 
14.5.2.24
Port x MAC Transmit Flow Control Settings Register (MAC_TX_FC_SETTINGS_x)
This read/write register configures the flow control settings of the port.
Register #:
Port0: 0441h
Size:
32 bits
Port1: 0841h
Port2: 0C41h
BITS
DESCRIPTION
TYPE
DEFAULT
31:18
RESERVED
RO
-
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
R/W
00b
15:0
Pause Time Value
The value that is inserted into the transmitted pause packet when the switch 
wants to “XOFF” its link partner.
R/W
FFFFh