How did you flash that AtMega? Out of the box ( as it comes from ATMEL/MicroChip ) the processor runs with its internal oszilator and the clockspeed is 1MHz. You have to set the fuses correctly to use an external 16MHz quartz.
How did you flash that AtMega? Out of the box ( as it comes from ATMEL/MicroChip ) the processor runs with its internal oszilator and the clockspeed is 1MHz. You have to set the fuses correctly to use an external 16MHz quartz.