Can I upgrade my xxx development system to support processor family yyy?
To work with a completely different processor family, you will need to purchase the development system for that family, which is a separate product, and does not qualify as an upgrade. No, each Development system is targeted at a specific processor family, and can be used only with members/derivatives of that processor family. To work with a completely different processor family, you will need to purchase the development tool set for that family, which is a separate product, and does not qualify as an upgrade.