Convert binary to BCD code - Electronic Circuits Projects Diagrams Free

genetica · 16th September 2007, 01:01 PM

I'd like to know how to convert one of my 4bit codes to a BCD code.

ericgibbs · 16th September 2007, 01:22 PM

Quote:

Originally Posted by genetica

I'd like to know how to convert one of my 4bit codes to a BCD code.

hi,
Is that a 4 bit binary code to bcd?, or to hex?

Have a look at this thread:

Binary input Hex dispaly (7 segment LED)?

genetica · 16th September 2007, 02:16 PM

4bit binary to BCD.

ericgibbs · 16th September 2007, 02:22 PM

Quote:

Originally Posted by genetica

4bit binary to BCD.

hi,
I must be missing something.

Isnt 0 thru 9 binary, BCD anyway??

Can you post a sample bin pattern?

genetica · 16th September 2007, 02:49 PM

Well i got a random sequence for certain numbers

0 1110
1 1101
2 1011
3 0111
4 0001
5 0010
6 0100
7 1000
9 0000
8 all the rest.

And i like to convert them to BCD 8421 code.
I made a karnaugh diagram a created a circuit for the four inputs and then fout outputs a circuit for each bit. But the circuit is like huge.

ericgibbs · 16th September 2007, 02:58 PM

Quote:

Originally Posted by genetica

Well i got a random sequence for certain numbers

0 1110
1 1101
2 1011
3 0111
4 0001
5 0010
6 0100
7 1000
9 0000
8 all the rest.

And i like to convert them to BCD 8421 code.
I made a karnaugh diagram a created a circuit for the four inputs and then fout outputs a circuit for each bit. But the circuit is like huge.

hi,

Have you considered using an EPROM ic, load the pattern you want out as the data and the 'odd bit' pattern as the address?

EDIT:
IF this is related to the 7seg Driver thread, the EPROM output data could be the 7seg driver data!

ericgibbs · 16th September 2007, 03:23 PM

hi,
This drawing shows the method.

genetica · 16th September 2007, 03:37 PM

Thanks ill do the Eprom.

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16th September 2007, 01:01 PM	#1
genetica	Convert binary to BCD code I'd like to know how to convert one of my 4bit codes to a BCD code.

16th September 2007, 02:49 PM	#5
genetica	Well i got a random sequence for certain numbers 0 1110 1 1101 2 1011 3 0111 4 0001 5 0010 6 0100 7 1000 9 0000 8 all the rest. And i like to convert them to BCD 8421 code. I made a karnaugh diagram a created a circuit for the four inputs and then fout outputs a circuit for each bit. But the circuit is like huge.

16th September 2007, 03:23 PM	#7
ericgibbs	hi, This drawing shows the method. __________________ Eric " Good enough is Perfect " I will NOT answer PM's requesting technical help, please use the Forum PIC tutorials: Nigel's www.winpicprog.co.uk/ Bill's: www.blueroomelectronics.com/ Last edited by ericgibbs; 7th July 2008 at 12:21 PM.

16th September 2007, 03:37 PM	#8
genetica	Thanks ill do the Eprom.