> In fact, I bought and assembled the DIY K149 USB-based 
> programmer (and 
> love it, btw) which comes with a '628A chip installed as the 
> controller. 
>     Part of the firmware update procedure uses a second '628A 
> to flash 
> the new firmware onto, then you swap.  I had only '648A 
> chips, and they 
> Just Worked in place of the '628A.

For my Wisp628 programmers I use 16F628, 16F628A or 16F648A, whichever I
have at hand, using the same .hex file. Of course I prefer the 16F628A,
which is the cheapest of the three.

Wouter van Ooijen

-- -------------------------------------------
Van Ooijen Technische Informatica: www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: www.voti.nl/hvu
 

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