Re: Binary to BCD converter IC?
- From: "Ken Fowler" <ko6no@xxxxxxxxx>
- Date: Mon, 28 Jan 2008 02:12:46 GMT
On 27-Jan-2008, ivanatora <ivanatora@xxxxxxxxx> wrote:
Xref: number1.nntp.dca.giganews.com sci.electronics.basics:284450
I'm back again.
I've searched a lot and find no easy way to convert parallel binary
into BCD, so I'm reconsidering using a microcontroller. They are
pretty cheap indeed, and a friend of mine just built a PIC16
programmer. Me and him are not so bad in C and asm, so we could make
of that good learning project :)
I believe someone pointed out that an easy way to convert binary to BCD is
to store the BCD values in EPROM(s) and use the binary as the address. I
once wrote an ASM Macro to generate the BCD values for storing in a HEX
file to program the EPROM. You need four output bits of EPROM for each BCD
digit. For eight bit binary you need two eight bit wide EPROMs.
Ken Fowler
.
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- Binary to BCD converter IC?
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