Graeme Odgers wrote:
>
> Hello Nigel and Dan,
>
> Dan I agree with you, I've been using C'84 chips with the Dontronics parallel
> programmer for a couple of years and have had no problems with Nigel's
> software.
>
> This year we have been using the 20MHz F84A's - and have they been a pain.
> Some chips program just as easy as the C84's, but the majority do not!!
>
> To get them to program I have placed a small 330pF capacitor on the RB6 and
> RB7 to ground.  This has worked with some success for most chips, but there
> are a few stubborn chips that do not program very reliably.
>
> Nigel, is there a way to change the programming time (burn period) in your
> software?
>

We program the 16F84 and 16F84A using ICSP and picstart plus.
Have had no problems so far (many chips).
-Roman

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