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From: "Frank Bemelman"
Subject: Re: 8bit binary to BCD?
Date: Mon, 28 Oct 2002 22:51:40 +0100
X-Newsreader: Microsoft Outlook Express 6.00.2600.0000
Organization: EuroNet Internet
NNTP-Posting-Date: 28 Oct 2002 20:51:48 GMT
"Ash" schreef in bericht
> haven't studied digital engineering for almost a decade so the memory is a
bit rusty :)
> Anyways, thing is I got an 8 bit paralell binary databus I need to hook up
to 3 7-segment
> displays. Strobing the bus ic you get bit 1-2-4-8-16-32-64-128 high and I
want to convert it
> to BCD to use a simple bcd-led driver ic (something like the 4511).
> The bus signals are constant high or low when strobed so speed/memory is
not essential -
> I simply want to translate the binary to display the corresponding numbers
on the display
> when I apply the strobe...
> Anyone have any ideas? I thoght of 74184 but it's not been manufactured
for some time,
> I'm not asking for a complete solution - but I sure need a few pointers in
the right direction
Can't you find a nice latch, and do the BCD-conversion in software. That way
you can display all kinds of combinations, including fancy animations as
seen on slotmachines.
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