Datasheet

DescriptionResetTypeNameBit/Field
Preamble Length for Transmit Frames
These bits control the number of preamble bytes that are added to the
beginning of every Transmit frame. The preamble reduction occurs only
when the MAC is operating in the full-duplex mode.
DescriptionValue
7 bytes of preamble0x0
5 bytes of preamble0x1
3 bytes of preamble0x2
reserved0x3
0x0RWPRELEN1:0
December 13, 20131668
Texas Instruments-Advance Information
Ethernet Controller