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Find The Hardware

03/12/2013 10:32 PM

8 bit to 1x[hex]

>> 8 bits give 256 combinations

16 of them corresponds to 10,11,12,.....1A,,, 1F[HEX]

REMAINING corresponds to 00 [hex]

8 bits --> [hardware]..>> op as described above...

what is the hardware device used?

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#1

Re: Find the hardware

03/12/2013 11:01 PM

?

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#2

Re: Find the hardware

03/12/2013 11:11 PM

Is this a test?

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#3
In reply to #2

Re: Find the hardware

03/12/2013 11:13 PM

Either that or people really aren't giving us enough information to give them the specific manufacturer and model of equipment they are after!

I think....I think it is actually a question.

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#4

Re: Find the hardware

03/12/2013 11:15 PM

Well you could use a microcontroller to perform the required data conversion function.

Did they teach microcontroller theory in that electrical course you did?

You can also perform the data conversion using software running on a computer (but this is far less portable).

What's the application?

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#5

Re: Find the hardware

03/13/2013 3:25 AM
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#6

Re: Find the hardware

03/13/2013 3:43 AM

Use the first 256 locations of an 8-bit wide PROM. Tie all other address lines down.

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#8
In reply to #6

Re: Find the hardware

03/13/2013 10:46 AM

this seems to be right.. can be any memory... my prof cleared it today...

@ jack: mewp/ mewc is common nowadays.. we are running on adv mewp/c

thanks

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#9
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Re: Find the hardware

03/13/2013 2:28 PM

Well I am glad someone was able to guess the right answer given the limited information and acronyms.

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#10
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Re: Find the hardware

03/13/2013 7:28 PM

"Seems to be right" - yes, it is right. I was doing this kind of stuff about 35 years ago (initially using diode arrays, then moving to programmable memories when they became available).

Congratulations to your "prof" for clearing it - when did he learn it?

Sorry, but I've no idea what all this 'mewp' stuff is about - must be something new .

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#11
In reply to #10

Re: Find the hardware

03/13/2013 8:14 PM

Perhaps one of our resident cats know, as they didn't teach those acronyms in any computer programming or microcontroller classes I took.

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#7

Re: Find the hardware

03/13/2013 3:50 AM

A 16-stringed abacus with 2 beads per string, or maybe some clever ways to reduce the strings to 8 and/or the beads to one.

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#12

Re: Find The Hardware

03/14/2013 8:24 AM

@ jack

prof is as old your experience is.

mewp = mew for micro (mewp for microprocessor) , i believe it was a generic term, wonder how you missed it with your experience.

Frank

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#13
In reply to #12

Re: Find The Hardware

03/14/2013 10:36 AM

μP.

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#14
In reply to #13

Re: Find The Hardware

03/14/2013 7:54 PM

I finally twigged that this afternoon - too busy to reply at the time.

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#15
In reply to #12

Re: Find The Hardware

03/14/2013 8:09 PM

frankcorners - the greek letter μ (usually transliterated as 'mu') is used to represent the prefix 'micro', one-millionth, 10-6 (as in μF (microfarads, not mewf)).

With the development of microprocessors and microcontrollers (where 'micro' just meant 'very small'), it was natural to use the same symbol as an abbreviation in text (as in μP and μC).

Your use of the written terms 'mewp' and 'mewc' is totally novel to me, and I suspect to the vast majority of electronics practitioners world-wide. Did you try the spell-checker before posting?

How does your 'prof' spell "microprocessor"?

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#16
In reply to #12

Re: Find The Hardware

03/17/2013 2:43 PM

I have never heard 'microprocessor' shortened specifically to 'mewp' before (even in old publications and literature on the subject). Perhaps it is country (or person) specific.

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