In this, and the next two chapters, I’ll dig deeper into the ATmega328P microcontroller itself and take a look at some very important features of the device, many of which are either ignored, unused, or just too confusing as you read through the data sheet.
Chapter 7 looks at those features which allow the ATmega328P to be configured and which provide a certain amount of protection and power reduction for application code—this can help it run on battery power alone in some cases.
Chapters 8 and 9 look deeper at the actual, usable hardware ...
