COM20020_00 Datasheet, PDF (40/82 Pages) SMSC Corporation – Universal Local Area Network Controller with 2K x 8 On-Board RAM

5 Transmit Enable TXEN
When low, this bit disables transmissions by keeping
nPULSE1, nPULSE2 if in non-Backplane Mode, and nTXEN
pin inactive. When high, it enables the above signals to be
activated during transmissions. This bit defaults low upon
reset. This bit is typically enabled once the Node ID is
determined, and never disabled during normal operation.
Please refer to the Improved Diagnostics section for details
on evaluating network activity.
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