In SX Microcontrollers, SX/B Compiler and SX-Key Tool, nate wrote:

Tom,

Perhaps someone with intricate knowledge of the inner workings of the SX will give a better answer, but I would not bother to put in resistors.  If momentary undefined pins were an issue, any SX design that had certain pins grounded (eg. an active high pushbutton) at startup could be a potential problem.  The same would hold true for the inverse situation (I/O pins held high).  I would assume the  design rules used when making the SX prohibited such a problem.

Nate

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