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XR88C681CP Datasheet, PDF (64/99 Pages) Exar Corporation – CMOS DUAL CHANNEL UART (DUART)
XR88C681
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F.1 Writing Data to the OPR/Output Port Pins
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F.1.1 Set Ouput Port Bits Command
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Figure 33. Illustration of the “SET OUTPUT PORT BIT” Command and its Effect
on the Output Port Register and the State of the Output Port Pins.
  
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