PIC programming - Page 2

ebrewste · 6th February 2005, 04:12 AM

I have not done a PIC project recently. I am interested in what PIC environments people use. I have done pic start pro / assembly, css c over a boot loader.

In particular, the next project I want to use a smd that will operate at 3.3v, connected to devices that are not 5v tolerant. Being able to load and reload while the pic is soldered down is critical. I would greatly prefer not to use assembly.

Any suggestions? I really doubt I am the first one here to deal with this issue.

Thanks!

ghetto · 6th February 2005, 04:15 PM

If you can live with ICprog, you can embed the PIC Key circuit into your board and program in-circuit that way, but it's not a very good solution. However that's the only in-circuit method I've tried so far. Microchip has an in-circuit programming system, but I believe it only works with certain chips. That's just one of the many reasons I like the AVR microcontrollers more than PICs: its very easy to get an in-circuit programming setup going.

davesaudio · 6th February 2005, 10:33 PM

The PIC KEY cct is interesting, solving the iffy ground-shift of the
original JDM / Ludi with a charge pump.
surprised I had not run across it before, glad to get the link.
I think: the older your OS/ the older your motherboard/ the more likely
the JDM ludipipo and ICProg will work.
I never had a problem with win98 and BX (p2-p3) motherboard.

wisp628 programmer is also a good choice, but you gotta
program the pic in the programmer....
YMMV
D

6th February 2005, 10:33 PM	#13
davesaudio diyAudio Member Join Date: Feb 2003 Location: GTA	The PIC KEY cct is interesting, solving the iffy ground-shift of the original JDM / Ludi with a charge pump. surprised I had not run across it before, glad to get the link. I think: the older your OS/ the older your motherboard/ the more likely the JDM ludipipo and ICProg will work. I never had a problem with win98 and BX (p2-p3) motherboard. wisp628 programmer is also a good choice, but you gotta program the pic in the programmer.... YMMV D __________________ intentionally blank

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6th February 2005, 04:12 AM	#11
ebrewste diyAudio Member Join Date: Oct 2000 Location: Sunnyvale, CA	I have not done a PIC project recently. I am interested in what PIC environments people use. I have done pic start pro / assembly, css c over a boot loader. In particular, the next project I want to use a smd that will operate at 3.3v, connected to devices that are not 5v tolerant. Being able to load and reload while the pic is soldered down is critical. I would greatly prefer not to use assembly. Any suggestions? I really doubt I am the first one here to deal with this issue. Thanks!

6th February 2005, 04:15 PM	#12
ghetto diyAudio Member Join Date: Jul 2003 Location: Oklahoma	If you can live with ICprog, you can embed the PIC Key circuit into your board and program in-circuit that way, but it's not a very good solution. However that's the only in-circuit method I've tried so far. Microchip has an in-circuit programming system, but I believe it only works with certain chips. That's just one of the many reasons I like the AVR microcontrollers more than PICs: its very easy to get an in-circuit programming setup going.

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