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PICList Thread
'PIC board?'
1998\01\28@203654 by Luis Gustavo Covino

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     We would like to build a board based on the PIC controller
for educational purposes, using a keypad and display, with
communication to a PC to download programs. Do you know any
"operating system" to control a system like this? (In Portuguese
we say something like a "monitor" system).

Thanks in advance

Luis Gustavo
_________________________________
High Performance Computing Lab
University of Sao Paulo - Brazil

1998\01\29@074650 by Alan G. Smith

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>      We would like to build a board based on the PIC controller
>for educational purposes, using a keypad and display, with
>communication to a PC to download programs. Do you know any
>"operating system" to control a system like this? (In Portuguese
>we say something like a "monitor" system).
Unfortunately the PICs (to the best of my knowledge) are not capable of writing
to their program
memory.
(If there are any newer exceptions to this, someone please let me know.)
This gives you 2 choices:
1) Use a toggle switch to go between "Load" and "Run"  Look at
http://www.dontronics.com at the
SimmStick stuff and you'll see a good example.
2) Use 2 micros where one is the "main" micro and the other one is for
communications with the PC,
programming the chip, etc.

Best of luck,

Alan G. Smith


+---------------------------------------------------------
| Alan G. Smith
| spam_OUTagsTakeThisOuTspampoboxes.com
| http://www.innovatus.com/ags

1998\01\29@081444 by Andrew Warren

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Alan G. Smith <.....PICLISTKILLspamspam@spam@MITVMA.MIT.EDU> wrote:

> the PICs (to the best of my knowledge) are not capable of writing to
> their program memory. (If there are any newer exceptions to this,
> someone please let me know.)

Alan:

All of the 16-bit PICs (the 17Cxx and the upcoming 16C1xx) can write
to their own program memory.

-Andy

=== Andrew Warren - fastfwdspamKILLspamix.netcom.com
=== Fast Forward Engineering - Vista, California
=== http://www.geocities.com/SiliconValley/2499

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