First, yes. You can change the Flash memory. However, I am not sure if your example will accomplish it. You may have to go to their web site (www.atmel.com) and read their data sheet.

Second, are you designing something new or is this a homework assignment. If this is a homework assignment then you should go to their web site (www.atmel.com) and read their data sheet. If this is not homework, and you are actually designing something, then you REALLY need to go to their web site (www.atmel.com) and read their data sheet.

Third, is your name really Papa?