Re: Not enough pins on EXPAND-B port for lab??


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Posted by Maciej Kalisiak on March 16, 1998 at 18:27:55:

In Reply to: Re: Not enough pins on EXPAND-B port for lab?? posted by Michael van Dam on March 10, 1998 at 20:14:38:


: Also, 'DI' stands for 'dedicated input', so you will have to use
: these pins for input-only signals.

But then we are back to square one: of the 49 pins available to us 4 are input only. Yet resulting from the specs of the lab there are only 3 signals which are input only: Resetn, CLK, and BG. The rest are all BIDIR (except hex led stuff but that does not go through the header). This means one of these BIDIR signals will be stuck with a DI pin, and hence no go. Anybody please correct me if there is a fourth signal which we can use in Input-only mode.



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