Problem with PIC18F2550 ICSP

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Re: Problem with PIC18F2550 ICSP

Postby Synthex » Fri Feb 15, 2008 8:33 pm

Have you checked fuses ?
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Re: Problem with PIC18F2550 ICSP

Postby jonga » Fri Feb 15, 2008 8:38 pm

It may sound stupid, but how can I do this?
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Re: Problem with PIC18F2550 ICSP

Postby Synthex » Fri Feb 15, 2008 8:42 pm

They must be like that :
18F2550 fuses.GIF
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Re: Problem with PIC18F2550 ICSP

Postby jonga » Fri Feb 15, 2008 8:52 pm

I can't find this on WinPic... Is this another software?
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Re: Problem with PIC18F2550 ICSP

Postby jonga » Fri Feb 15, 2008 8:53 pm

nevermind, found it on WinPic800.. I'll check it now
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Re: Problem with PIC18F2550 ICSP

Postby jonga » Fri Feb 15, 2008 8:59 pm

Here is mine. It's different... I'll try changing it
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Re: Problem with PIC18F2550 ICSP

Postby jonga » Fri Feb 15, 2008 9:08 pm

I can't programm it... WinPic splashes me with

ERROR -> Writing address 0x000000
Written: 0xEF43 Read: 0xFFE3


So, that means it is dead?
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Re: Problem with PIC18F2550 ICSP

Postby Synthex » Fri Feb 15, 2008 10:21 pm

jonga wrote:So, that means it is dead?

Check your programmer ...
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Re: Problem with PIC18F2550 ICSP

Postby Synthex » Fri Feb 15, 2008 10:22 pm

Otherwise, it's possible that it's dead ... :roll:
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Re: Problem with PIC18F2550 ICSP

Postby xarxi » Sat Feb 16, 2008 1:30 pm

Hello Synthex,

I have got problems to program PIC18F2550 ICSP, but now i have solved it!

I don't know if it can help others users, but for me it work.

I have downloaded from microchip the last version of mplab and installed it.
Then i use winpic to program, but in "Options" MPLAB DEV-file directory, i put de path
of mplab dev. Once tried the correct pic in menu "Device,Config" it will appear all the
Configuration, and in Setting put the oscillator "Divided by 3 (12mhz input).
Then you can program the device correctly!

Now i have got only some problems with delay, but may be my old computer (pIV 1.5Mhz) or my be
that i have put a condensator of 470nF but 300V (too big).

At the moment it work!!

Thanks for your work.

Xarxi
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