I have a problem with microcontroller (atmega128-16ac)
 

hi,friends
I have a device working with atmel microcontroller (atmega128-16ac)
the connector of +3v battery of the microcontroller damaged isit
possible that the programm is clear?if this occured what I could do.

I try to conect another power supply but the alarm still going & I
found that the piezo connected to the microcontroller & I feel some
heat from the surface of the microcontroller
when I connect the power cord

thank you for any advice
yar