UPD78F0078GK-9ET-A Renesas Electronics America, UPD78F0078GK-9ET-A Datasheet - Page 95

• Manufacturer Part Number: UPD78F0078GK-9ET-A
• Manufacturer: Renesas Electronics America

Specifications of UPD78F0078GK-9ET-A

• Lead Free Status / Rohs Status: Supplier Unconfirmed

5.4.9 Stack addressing
[Function]
[Description example]
[Illustration]
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 instructions
are executed or the register is saved/reset upon generation of an interrupt request.
Stack addressing can be used to address the internal high-speed RAM area only.
In the case of PUSH DE (saving the DE register)
SP
SP
FEDEH
FEE0H
Operation code
CHAPTER 5 CPU ARCHITECTURE
User’s Manual U14260EJ4V0UD
FEE0H
FEDFH
FEDEH
1 0 1 1 0 1 0 1
7
Memory
D
E
0
93