Re: [Usbpicprog-technical] PIC 16F628A

[ShadowCaster <sha...@gm...>]

Hello Frans,

Thanks for your quick reply i'll double check the voltages but i think that
VPP is 11.4 to 12.3 when i try the I/O test function in the software, i'll
connect the programmer with the pic and check with a multimeter and the I/O
test function.


On Wed, Apr 24, 2013 at 2:26 PM, Frans Schreuder
<fra...@gm...>wrote:

>  Dear Nick,
>
> The 16F628A PIC does work with the current software / firmware, although
> this pic is very selective when it comes to operating voltages.
> Please verify that VDD > 4.5V and VPP >13V with the pic connected.
>
> Regards,
>
> Frans
>
>
> On 24-4-2013 13:22, ShadowCaster wrote:
>
> Hello,
>
>  I implemented the programmer based on the designs and it
> works flawlessly with a PIC 18F2550 and a 18F1320.
> The thing is that i tried to program a 16F628A that should be compatible,
> although it is properly detected it doesn't write any data to it. When i
> read it i get a repeated pattern : FF 3F FF 3F.
>
>  I tried the same pic with a old serial programmer and it is written
> without a problem so it is not a pic problem
>
>  I tried both the latest stable as well as the latest devel
> firmware/software. Is the functionality for this model broken in the latest
> versions? Can somebody verify?
>
>  Regards
> Nick
>
>
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