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'[EE]: Altera PLD Programming'
2000\11\02@194303 by David Duffy

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Hi All,
I have been using the Altera MAX+PLUS II BASELINE software
for programming small PLD's via a ByteBlaster cable & adapter.
These are not genuine items but are have worked fine until now.
But... now the chips are not verifying most of the time. Changing
the parallel cable to a shorter one improved things somewhat but
it's worked with the old cable for the last year of so. I even put the
software & hardware on a different PC but with the same results.
Maybe it's time I just bought a 'real' programmer and save myself
all the hassle & wasted time! Any suggestions on brands? The
boards I'm using them with don't support in-circuit-programming
so a stand-alone programmer would be the best way to go.
Regards...

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2000\11\02@203943 by Dwayne Reid

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At 10:45 AM 11/3/00 +1000, David Duffy wrote:
>Hi All,
>I have been using the Altera MAX+PLUS II BASELINE software
>for programming small PLD's via a ByteBlaster cable & adapter.
>These are not genuine items but are have worked fine until now.
>But... now the chips are not verifying most of the time. Changing
>the parallel cable to a shorter one improved things somewhat but
>it's worked with the old cable for the last year of so. I even put the
>software & hardware on a different PC but with the same results.
>Maybe it's time I just bought a 'real' programmer and save myself
>all the hassle & wasted time! Any suggestions on brands? The
>boards I'm using them with don't support in-circuit-programming
>so a stand-alone programmer would be the best way to go.
>Regards...

I'd be tempted to replace the buffer chip in the byteblaster first.  Only
takes a few minutes and might fix the problem.

I'm also using homebrew versions of the byteblaster, with the 7032slc and
7128slc parts - works every time (so far).  And that is with a 15 foot or
so ribbon cable between the PC and byteblaster!

dwayne



Dwayne Reid   <.....dwaynerKILLspamspam@spam@planet.eon.net>
Trinity Electronics Systems Ltd    Edmonton, AB, CANADA
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2000\11\02@205649 by David Duffy

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>At 10:45 AM 11/3/00 +1000, David Duffy wrote:
>>Hi All,
>>I have been using the Altera MAX+PLUS II BASELINE software
>>for programming small PLD's via a ByteBlaster cable & adapter.
>>These are not genuine items but are have worked fine until now.
>>But... now the chips are not verifying most of the time. Changing
>>the parallel cable to a shorter one improved things somewhat but
>>it's worked with the old cable for the last year of so. I even put the
>>software & hardware on a different PC but with the same results.
>>Maybe it's time I just bought a 'real' programmer and save myself
>>all the hassle & wasted time! Any suggestions on brands? The
>>boards I'm using them with don't support in-circuit-programming
>>so a stand-alone programmer would be the best way to go.
>>Regards...

Dwayne replied;

>I'd be tempted to replace the buffer chip in the byteblaster first.  Only
>takes a few minutes and might fix the problem.

Good idea - this one has a 74HC244A (Mot) in it - what does yours use?

>I'm also using homebrew versions of the byteblaster, with the 7032slc and
>7128slc parts - works every time (so far).  And that is with a 15 foot or
>so ribbon cable between the PC and byteblaster!

What distance can you go between the Byteblaster & the PLD socket?
This setup only has about 100-150mm between them.
Regards...

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2000\11\03@023233 by Vasile Surducan

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Dwayne write:
I'm also using homebrew versions of the byteblaster, with the 7032slc
and7128slc parts - works every time (so far). And that is with a 15 foot
orso ribbon cable between the PC and byteblaster!

your programmer software accept the oldest Mach130 PLD?
Vasile
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Surducan Vasile
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2000\11\03@064052 by Simon Nield
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Hi David,
we found some problems even with genuine byteblasters. We modified them as follows and now build our
own when we need them;
replace 74hc244 with FCT device, short out resistors on connector pins 1, 5 and 9

Might also be worth checking termination of the lines on your target pcb - never had any problems
with it myself but worth a look if you still have problems.

Regards,
Simon

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