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Altera_Forum
Honored Contributor
Honored Contributorsize of counter in LUTs
Hi! I created the simplest possible 6-bit counter (with both megafunction and behaviorally). In both cases Quartus shows that the counter will take 6 ALUTs. From the Stratix IV handbo...
Altera_ForumHonored Contributor
Honored Contributor6 bit counter needs six registers. These have to be borrowed from 6 ALUT units.
If you need 192 such counters then you will be using > 1000 registers. If you are short of registers then you can implement counting in RAMs. e.g. you can use only few counters and several RAM arrays to represent 192 counters then store the current count in its RAM array and read last value.
