Speed modes support

The processor component supports up to three different speed modes. The three speed modes are Processor Expert specific concept which (among all the other PE features and concepts) ensures the portability of the PE projects between different processor models.

In fact, the three speed modes are a generalization of all the possible processor clock speed modes used for power-saving that can be found in most of the modern microcontrollers. In the area of embedded systems, power saving and power management functions are so important that you can not neglect the proper HW- independent software implementation of these functions.

Therefore, for keeping the portability (HW independence) of PE projects, it is recommended not to program the processor speed functions manually, but use these three processor Component speed modes instead:

• High speed mode - this mode is selected after reset and must be enabled in the project. This speed mode must be the fastest mode of the main processor clock.
• Low speed mode - this mode is usually used for another PLL or main prescaler settings of the main processor clock.
• Slow speed mode - this mode is usually used for the slowest possible mode of the main processor clock.

• Switching speed modes at runtime
  
• Speed modes support in components
  
• Clock configurations support