CHAPTER 3 CPU ARCHITECTUREUser’s Manual U16898EJ3V0UD 473.4.7 Stack addressing[Function]The stack area is indirectly addressed with the stack pointer (SP) contents.This addressing method is automatically employed when the PUSH, POP, subroutine call, and return instructionsare executed or the register is saved/restored upon interrupt request generation.Stack addressing can be used to access the internal high-speed RAM area only.[Description example]In the case of PUSH DEInstruction code 1 0 1 0 1 0 1 0[Illustration]FEE0H FEE0HFEDFHFEDEHDEFEDEHSPSP7 0Memory