Byron A Jeff wrote:
> The MAX232 already has a voltage doubler that generates 9V
> which is enough to provide a Vpp for flash parts.

Some yes, some no.  It's right on the edge for parts like the 18F2520, which
requires Vdd + 4V.  The zero margin for error would make be nervous, even
though you can probably get away with it most of the time.


*****************************************************************
Embed Inc, embedded system specialists in Littleton Massachusetts
(978) 742-9014, http://www.embedinc.com
-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist