Note 1: The following defines the state of the TXD1 pin depending on the chip configuration.
//Activate bit is cleared on a VTR POR, VCC POR, PCI Reset, or Soft Reset
If (Activate Bit=0) then TXD1 is tristate.
Else if ((Activate=1) && (Idle)) then the TXD1 is High
Else TXD1 is transmitting
SMSC LPC47B27x
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DATASHEET
Rev. 04-17-07