> 1. Wisp.exe on non-NT windows (95, 98): 3:24
> 2. Wisp.exe on Win2K: 27:30 (much too slow to be usefull)
> 3. XWisp.py on Win2K: 2:20
>
> 1 is dominated by the 16f877 write timing.

No it's not.

The minimum wait time for programming one location of a 16F877 is 4mS.  This
means the theoretical minimum time to program a full 16F877 is 4ms/word x
8192 words = 33 seconds.  I have working software and hardware that programs
a full 16F877 using high voltage programming in 36 seconds.  It also does
two verify passes at the voltage limits, which takes a total of 55 seconds.

I measured a Picstart+ programming a nearly full 16F876 at 127, which only
includes one verify pass.


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(978) 742-9014, http://www.embedinc.com

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