tmp88cs38ng TOSHIBA Semiconductor CORPORATION, tmp88cs38ng Datasheet - Page 29

• Manufacturer Part Number: tmp88cs38ng
• Description: Cmos 8-bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

SP
At acceptance
of an interrupt
PSW
PSW
PC
PC
PC
H
E
L
H
L
3.
4.
General-purpose registers save/restore using push and pop instructions
than once, the general-purpose registers can be saved/restored using the push/pop
instructions.
General-purpose registers save/restore using data transfer instructions
register during processing of single interrupt.
Example: Register save/restore using push and pop instructions
Example: Saving/restoring a register using data transfer instructions
To save only a specific register, and when the same interrupt source occurs more
SP
Data transfer instruction can be used to save only a specific general-purpose
PINTxx:
PINTxx:
At execution
of a push
instruction
PSW
PSW
PC
PC
PC
W
A
H
E
L
H
L
PUSH
Interrupt processing
POP
RETI
LD
Interrupt processing
LD
RETI
88CS38-29
SP
(GSAVA), A
A, (GSAVA)
WA
WA
At execution
of a pop
instruction
PSW
PSW
PC
PC
PC
H
E
L
H
L
;
;
;
;
;
;
Save WA register pair
Restore WA register pair
Return
Save A register
Restore A register
Return
SP
TMP88CS38/CM38A/CP38A
At execution of an
interrupt return
instruction
Address (Example)
0023AH
0023B
0023C
0023D
00241
0023E
0023F
00240
2007-09-12