Datasheet

2013-2015 Microchip Technology Inc. DS00001987A-page 109
LAN8740A/LAN8740Ai
4.3.24 TDR MATCH THRESHOLD REGISTER
Note 1: Software reset places the default values of this register into an indeterminate state. For proper operation of
the TDR, the TDR Match High Threshold and TDR Match Low Threshold must be set to 5’h12 and 5’h09,
respectively.
Index (In Decimal): 30.11 Size: 16 bits
Bits Description Type Default
15:10 RESERVED RO -
9:5 TDR Match High Threshold
Sets the upper threshold to detect match cable.
R/W 5’h12
(see Note 1)
4:0 TDR Match Low Threshold
Sets the lower threshold to detect match cable.
R/W 5’h09
(see Note 1)