AVR-Chat

I use parallel isp for downloading program as usual, however, I have
few atmeag128 whose fuse bit is locked.  I would like how to unlock
the fuse bit.


--- In AVR-Chat@yahoogroups.com, Russell Shaw <rjshaw@n...> wrote:
> ttse7 wrote:
> > 
> > As mentioned in title, I would like to unlock the fuse bits of
> > Atmega128 so that I can download program via parallel ISP again.
> 
> You mean serial isp via the parallel port? You'll need to erase
> the chip to clear any lock bits then set the spien fuse, using
> a jtag programmer or a real parallel programmer (stk500).