It is one of our favorite chips, and the brains behind the Arduino UNO and its clones, and it’s getting a tweak (PDF). The ATmega328 and other megaX8-series chips have undergone a subtle desi… ...

Internal RC oscillator is specified up to 8MHz, but in reality it can be calibrated to run at up to 12MHz. V-USB has code that does this. HaD, please, work on your terminology.