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'Mask programming'
1996\09\30@141447 by Alex Freed

picon face
Hi,

I understand one can order pre-programmed PICs. I have a couple of
questions regarding this.

1. Is there a pre-programmed version of 16C61?
2. How many do I have to order?
3. How does the price compare to regular OTP parts?

A related issue: are the 16C62x parts plug-compatible with 16c61? I
understand they have extra comparators, but if I just program a 16c620
with object built for the 16C61, will it work the same?

Thanks.



--
-Alex

1996\09\30@153205 by John Payson

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> A related issue: are the 16C62x parts plug-compatible with 16c61? I
> understand they have extra comparators, but if I just program a 16c620
> with object built for the 16C61, will it work the same?

The 16C62x and 16C61 have slightly different memory maps; in addition, you
must explicitly enable PORTA digital inputs if you intend to use them for
anything.  Converting your source file to be 16C62x compatible should be
very easy, but loading object code directly will not work.

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