Re: [Usbpicprog-technical] 18f45k22

[Frans S. <fra...@gm...>]

Dear Matt,

I think the sourcecode of the PC application doesn't have to be altered
for that, only the .xml files.
Only in the firmware some small modifications will have to be done.
Also the hardware can't just program these devices since it gives a VPP
of 12V where the 18f45K22 has a maximum VPP of 9V.
A very simple solution for this will be a 9V zener diode over the VPP
pin so that it won't exceed this limit.

I don't see any other problems for implementing this device.

Kind regards,

Frans Schreuder


On 01/31/2011 09:06 AM, Matt Hirsch wrote:
> I was thinking of attempting to modify usbpicprog to program the 
> 18f45k22. The programming spec is similar, with minor differences, to 
> the PIC18F2XXX/4XXX family:
>
> http://ww1.microchip.com/downloads/en/DeviceDoc/39622L.pdf
> vs
> http://ww1.microchip.com/downloads/en/DeviceDoc/41398B.pdf
>
> And I see many parts from that first family are on the tested list.
>
> Should something like this process work?:
> http://sourceforge.net/mailarchive/forum.php?thread_name=4C035FBD.9030506%40gmail.com&forum_name=usbpicprog-technical 
> <http://sourceforge.net/mailarchive/forum.php?thread_name=4C035FBD.9030506%40gmail.com&forum_name=usbpicprog-technical>
>
> I guess I will have to create a new family.
>
> I'd appreciate any comments.
>
> Best,
> Matt
>
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