On Mon, Feb 20, 2012 at 2:44 PM, news group <newsgoupdude@gmail.com> wrote:
> Hi,
> I fail to program only the configuration memory using my code (after
> successfully erasing program&data memory).
> AT microchip DS41196G when programing the configuration memory the
> specification specifies
> to start with "load configuration data" .
> The command is build of 6bits ( XX0000 ) and data (0,data[14],0 ).
> Assuming i like to programme only address 0x2007 ( CFG) :
> 1 - Should i =A0send 7 times "increment address command" and then:
> A) =A0should i send "begin programming only cycle" and the data that was
> loaded in "load configure data" command will
> =A0 =A0 be written into 0x2007
> B) =A0should i send again "load configuration data" command and then
> send ""begin programming only cycle" ?
> C)- what else should be done ? :-)
>
> 2 - i fail to understand how "Program Cycle (Config.Word)" is build ,
> the document specifies "Program cycle" of
> Program data memory and of "programming range of program memory " no
> information about configuration memory
> program cycle
>

I am no longer interested in knowing about the PIC programming
specifications. But one thing you can get help is to understand
the PICKit 2 FW/SW source codes and you should be able to
gain a lot of insights.

If would help a lot as well if you dump the device file.

Download:
http://www.microchip.com/pickit2
Device File: http://ww1.microchip.com/downloads/en/DeviceDoc/PK2DFUpdate-1-=
62-14.zip
FW/SW source codes:
http://www.microchip.com/stellent/idcplg?IdcService=3DSS_GET_PAGE&nodeId=3D=
1960
Device File Editor: https://sites.google.com/site/pk2devicefileeditor/
Device File dumper: http://www.microchip.com/forums/fb.ashx?m=3D335775

--
Xiaofan

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