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From: Gary Tait
Subject: Re: 8bit binary to BCD?
References: <3DBD9F00.31BAC4B7@gravitywell.org> <firstname.lastname@example.org> <3DBDACE5.DE0662D@gravitywell.org>
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Date: Tue, 29 Oct 2002 10:35:06 -0500
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On Mon, 28 Oct 2002 21:32:21 GMT, Ash wrote:
>I'm afraid I have no experince what so ever with programming...
>I could program a pic 16f84 if I had the hex files to do it, but I cant
>hack any pic assembler at all.
Why not and Atmel AT90s2313? You can program it in Basic for free,
using Bascom AVR. I'd do the PROM thing though.
>Frank Bemelman wrote:
>> "Ash" schreef in bericht
>> > Hey,
>> > 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.
>> Frank Bemelman
>> (remove 'x' & .invalid when sending email)
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