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Altera_Forum's avatar
Altera_Forum
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14 years ago

Urgent: Codes for counter design

I need help on how to design a counter that can count from 0 to 9 and back to 0. and this counter must be modified to reset, start and stop. also, codes for 7 segment decoder to display the nu...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

well you have a reset

then when reset is at 1 (or 0) you are going to intiialize all your registers.

when the reset changes you are going to start the counter, if the counter hits your max value you start to decrease it, if it hits 0 it increases again.

then you are going to do a BCD : http://en.wikipedia.org/wiki/binary-coded_decimal

to display your values in your 7-seg decoder.. (also see the datasheet to see how your 7-seg decoder works)