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'509 vs 509A'
2000\04\16@122248
by
Brian Kraut
Can someone tell me what the differences in the 509 and 509A are. I
couldn't find anything on the Mchip website. Also, can I program a 509A
with old Parallax software for a 509. I have programmed some newer
parts with older software successfully and sometimes it blows the code
protect bit.
2000\04\16@221106
by
John C. Frenzel
The 509A is a more advanced chip
It is made with a smaller fab process line width of 0.7 micron vs 0.9 for
the 509
It has 6 oscal bits vs 4 in the 509
Page 2 of the microchip manual DS40139e
John
2000\04\16@222831
by
Brian Kraut
I did take a chance and programmed my JW parts with the 509 setting on my
programmer. All seems to work fine. Thanks.
"John C. Frenzel" wrote:
> The 509A is a more advanced chip
> It is made with a smaller fab process line width of 0.7 micron vs 0.9 for
> the 509
> It has 6 oscal bits vs 4 in the 509
>
> Page 2 of the microchip manual DS40139e
> John
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