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programming pic18f2550

Started by cibi August 23, 2006
Hi everybody,
i'm not very skilled in pic programming, however i have sucessfully
programmed pic16f84 with a Shaer programmed build by myself.
Now I want to program a pic18f2550, because I want to use USB
capability. Do you think my programmer should work properly? Should I
make some variation?

The software i used is IC-Prog, wich does not seem to support this
device? Does anyone know what software cuold fit for me?

Thank you very much!
Angelo

In article <1156345152.375281.166470@b28g2000cwb.googlegroups.com>,
cibi <a.francabandiera@libero.it> wrote:
>Hi everybody,
Hi.
>i'm not very skilled in pic programming, however i have sucessfully >programmed pic16f84 with a Shaer programmed build by myself.
Congrats. I could not find a reference to the Shaer programmer. Do you have a link to it?
>Now I want to program a pic18f2550, because I want to use USB >capability. Do you think my programmer should work properly?
No.
> Should I make some variation?
Yes. The 18F2550 has an absolute maximum Vihh of 12.5V. A 16F84 programmer will set its Vihh to 13V. That will fry the 18F2550. You'll have to decrease the voltage to your MCLR pin.
>The software i used is IC-Prog, wich does not seem to support this >device? Does anyone know what software cuold fit for me?
I was going to suggest Winpicprog (http://www.winpicprog.co.uk/supported.htm) but it doesn't seem to support the chip either. OshonSoft's programming software (http://www.oshonsoft.com/picprog.html) claims to program the part. I've never used it though, as I'm a Linux guy. Good luck. BAJ