UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 98

• Manufacturer Part Number: UPD784026
• Description: 16/8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

58
SP SP – 3
SP – 1
SP – 2
SP
SP – 3
CALL, CALLF, CALLT Instruction
Undefined
SP SP – 1
SP SP – 2
PC15-PC8
PC7-PC0
Stack
SP
SP – 1
SP – 1
SP – 2
SP
PC19-
PC16
PUSH PSW Instruction
PUSH sfr Instruction
PSWH
PSWH
Figure 3-10 Data Saved to Stack Area
SP SP – 4
Stack
Stack
PSWL
CHAPTER 3 CPU ARCHITECTURE
7
4
-
SP – 1
SP – 2
SP – 3
SP – 4
SP
Undefined
PSWH
PSWH
Vectored Interrupt
PC15-PC8
PC7-PC0
SP SP – 2
SP SP – 3
PSWL
7
4
Stack
-
SP – 1
SP – 2
SP – 3
SP
SP – 1
SP – 2
SP
PC19-
PC16
PUSH sfrp Instruction
PUSH rg Instruction
Middle-Order Byte
High-Order Byte
High-Order Byte
Low-Order Byte
Low-Order Byte
SP SP – 6
Stack
Stack
SP – 1
SP – 2
SP – 3
SP – 4
SP – 5
SP – 6
SP
PUSH post, PUSHU post Instruction
(In case of PUSH AX, RP2, RP3)
Stack
R7
R6
R5
R4
A
X
RP3
RP2
AX