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AR# 1681

Schematic - How do I specify a bidirectional I/O in my schematic?


Using schematic entry, how do I create a bidirectional I/O?


To create a bidirectional I/O, place an IOPAD (or I/O Port) in your schematic, and then, connect the input of an input element (such as an IBUF or IFD) and the output of a "tri-stateable" output element (such as OBUFT, OBUFE, OFDE, OFDT) to this pad.


Example Bidirectional I/O
Example Bidirectional I/O

AR# 1681
Date 05/08/2014
Status Archive
Type General Article
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