Of course, timer 1 being a 16-bit timer overflows at a different rate than the 8 bit timers. But if you use one of the modes that counts up to 8 bits (eg. PWM, Phase Correct, 8-bit) then you should get identical results.
Of course, timer 1 being a 16-bit timer overflows at a different rate than the 8 bit timers. But if you use one of the modes that counts up to 8 bits (eg. PWM, Phase Correct, 8-bit) then you should get identical results.