0-99 Binary to BCD converter

ferri2k · 2007-04-03T04:12:14+00:00

My prof assigned me a bonus project to try out. We current built abasic Binary display using 4 switches and the 7447 convert to light upa seven segment display. The challenge is to build a counter that willtake 7 input binary, for 0-99 and display it with two seven segmentdisplays on a digital board. I need to figure out a way to build thisusing IC chips. Now I'm not looking for the answer in plain Englishhints would be nice. He suggest using a full adder but when looking atthis I cannot seem to find a way to use it. I started to configure aset up but its starting to use way to many chips, and it seems like Iam just making inputs for every number from 0-99.any assistance is greatly appreciated.Thanks

Apr 03, 2007 22 Replies

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John Fields 19 years ago

The joke, I think, is that they can\'t be had.

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feebo 19 years ago

hmmm... yep I'll completely agree with that... I suppose this is the progress of things that there's no money in discrete stuff much more than gates, so anything a bit "exotic" falls by the wayside. The march of progress. Personally I'd solve this with a $2 controller but I don't think that is allowed :o(

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jasen 19 years ago

actually the part looks capable, unfortunately it (the TI part atleast) is ROM-based and, so disallowed by the rules. :^)

Bye. Jasen

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