Purpose: Supported package types and selected package.

Namespace: atmega2560::package.

#include <atmega2560/Package.h>
 
namespace mcu = atmega2560;
 
static_assert(mcu::package::supported_package_count == 2, "ATmega2560 Package definition");

These are hardware definitions, not runtime register access or initialization.

Source: ATmega2560 datasheet (DS40002211A).