[sdiy] Counter Preset question
Peter Grenader
pgrenader at mksound.com
Wed Oct 2 13:13:06 CEST 2002
Lady and gents,
Got a counter question. Let's take a everyday 4516 as an example. It has
preset inputs. Now, I've used these before to create quasi-random count
patterns, but I was gating the preset ins through a latch which was paced
with the counter's input clock, so I don't know a side of its operation that
I would nowlike to task. I come to you guys becuase the truth table in the
spec sheet is giving me a headache.
Question:
If the counter is free running off a clock, and I interject a preset to send
it to, let's say, 0110, once that preset dissappears will the counter then
count to 0111?
Does the preset work as a count -from-n reset?
Obvoiusly, this has sequencer implications. Working on a new design and am
wanting the option of setting the reset start point from wherever I want it
(not just stage 1).
As Paul S pointed out, I'd be better off cracking some books open and
learning PIC programming....but what the hell.
P
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