What would it take...

[Peter C. Wallace]

>
>> Also a CPLD (maybe a 9536XL) is about as cheap as a
>> GAL now ($1.00 or so),
>> much more capable, and programmable with nothing but
>> a parallel port (JEDEC
>> ISP)
>
> Well not just the parallel port I'm sure. Hope
> someone posts the url that has plans for that...
>


Well yes, pretty much just a parallel port:

TDI to DUT
TDO from DUT
TCLK to DUT
TMS to DUR

4 signals, all TTL level, no special timing...

>
>
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Peter Wallace
Mesa Electronics

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