Yes.  That is how a code protected chip is verified:

Burn program area
Burn all fuses except CP
Read program area
Read fuses
Burn CP fuses

Actually, the program area and fuse areas are addressed seperately, ie, you
can't burn the program and fuse in one fell swoop, you have to burn the program
area, issue a new burn command (contains the address of the fuses) then burn the
fuse area.

-Adam

Lorick wrote:
>
> > The chips do not accept the new code if protection is enabled, no mattter
> how
> > hard you try.
> >
>
> And this brings me to wonder something else, which I would think is a yes,
> how about if development is in progress and an OTP is burned, and no
> protection is enabled just in case updating is desired.
> Maybe then it is reburned, maybe not, but it is decided that it is polished.
>
> Can you burn just the security bits and protect it?
>
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