Maybe your programmingspeed is too fast. If you're using PICALLW,
try to disable the Auto-Prog-Delay and double the value manually.=20

regards,
    Reelf

Andrew schrieb:
>=20
> Hi,
>=20
> I've been having trouble programming my 16F876 chip.  The first time it
> seemed to have programmed fine, and now it gives errors saying that eve=
n
> the first address cannot be written.  Blowing the fuses does the same
> thing.  Code protection is not set.  It appears to have erased fine.
>=20
> Program Error:
> Fuses: Buffer=3D353A, device=3D3BFF (although a read chip brings back 3=
FFF)
>=20
> Similarly with writing the program, location 0000 reads 3FFF, not my
> program.
>=20
> I can write to the device with all 3FFF and it says it has programmed
> fine.  But this is of limited use :)
>=20
> Programming the chip terminates immediately with this message.
>=20
> I also have a pic16c745 jw part that does the same thing, even after a
> uv erase.
>=20
> Using Kit 117 as supplied by dontronics.  Cable test, communications
> test and s/c test pass fine.  I can set both leds on and off.  I do hav=
e
> a .6 to .3 adaptor on top of the standard socket(not a ZIF), would this
> cause any problems?
>=20
> Using windows XP, picallw .10d, on an Athlon 1900+, with epox 8k5a2+
> m/b.
>=20
> Any ideas of what to do next?  Is this a possible static electricity
> issue? I grounded myself before I touched the chip each time, so it
> shouldn't be.
>=20
> Much thanks for any help,
>=20
> Andrew
>=20
> rhimes-pic@optusnet.com.au
>=20
> --
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> ways.  See http://www.piclist.com/#archives for details.

--=20
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