'Tait's PIC programmer'
crocontroller discussion list
> I've seen this mentioned a few times. Can someone tell me about this ?
> Email is fine (no need to bother the list)
You can ftp the info about this programmer from:
Although many people have let me know that they have got the
programmer to work it is worth giving a few words of caution if you
are thinking of building it:
* I developed this project using a 20MHz 386DX machine and have
subsequently found the C version to be unreliable when used with my
33MHz 486DX. Obviously a timing problem and I will try to fix this
when I get some spare time. The Qbasic version still worked though,
and the C version worked with turbo mode switched off. You can fix
it yourself by adding appropriate delays for your own PC.
* Please note that the executable packaged with the programmer info
was built for hardware using a 7406. If you use a 7407 you must
uncomment "#define U7407" and recompile. The Qbasic source is also
intended for hardware using a 7406. To use the Qbasic program with
7407 based hardware then include these definitions:
CONST DataInv = 0
CONST VppOn = 8, VppOff = 0, VddOn = 4, VddOff = 0
CONST ClkHi = 2, ClkLo = 0, OutHi = 1, OutLo = 0
(Due to a typo, the program erroneously suggests that you
should use ClkHi = 4. Sorry about that.)
* If you don't use LS buffers you should substitute a 7805 for the
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