INTERNAL SPECIFICATIONS1334.7.3.1 Priority interrupt routine flowThe flow of interrupt processing when a priority interrupt is generated and processed after aroutine has been commenced by a non-priority interrupt generated during execution of a mainroutine program is outlined in Figure 4-45 below. This diagram shows the flow chart up to thepoint of return to the main routine.NIStart of non-priority interrputStart of non-priority interrputpriority interrput routineRETINon-priority interrput routinePINIRETIGenerationof interrputMMain routineGenerationof interrputMMain routineFigure 4-45 Interrupt processing flow chart when priority circuit is activated
