TMP86C993XB Toshiba, TMP86C993XB Datasheet - Page 54

• Manufacturer Part Number: TMP86C993XB
• Description: EMULATION CHIP FOR TMP86F SSOP
• Manufacturer: Toshiba

Specifications of TMP86C993XB

• Accessory Type: Adapter
• For Use With/related Products: TMP86F SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

3.3
Interrupt Sequence
Example :Save/store register using PUSH and POP instructions
Example :Save/store register using data transfer instructions
Figure 3-3 Saving/Restoring General-purpose Registers under PUSH and POP instructions
3.3.2.1
3.3.2.2
SP
PINTxx:
PINTxx:
be saved/restored using the PUSH/POP instructions.
At acceptance of
an interrupt
If only a specific register is saved or interrupts of the same source are nested, general-purpose registers can
To save only a specific register without nested interrupts, data transfer instructions are available.
Using PUSH and POP instructions
Using data transfer instructions
PSW
PCH
PCL
PUSH
(interrupt processing)
POP
RETI
LD
(interrupt processing)
LD
RETI
SP
At execution of
PUSH instruction
WA
WA
(GSAVA), A
A, (GSAVA)
PSW
PCH
PCL
W
A
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SP
; Save WA register
; Restore WA register
; RETURN
; Save A register
; Restore A register
; RETURN
At execution of
POP instruction
PSW
PCL
PCH
SP
At execution of
RETI instruction
TMP86FH92DMG
Address
(Example)
b-5
b-4
b-3
b-2
b-1
b