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SN8F5708 Datasheet(PDF) 68 Page - SONiX Technology Company

Part # SN8F5708
Description  8051-based Microcontroller
PDF  204 Pages
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Manufacturer  SONIX [SONiX Technology Company]
Direct Link  http://www.sonix.com.tw
Logo SONIX - SONiX Technology Company

SN8F5708 Datasheet(HTML) 68 Page - SONiX Technology Company

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SN8F5708 Series
Copyright © 2019, SONiX Technology Co., Ltd.
Interrupt
Datasheet Rev. 2.4
68
10.4
Example
Defining Interrupt Vector. The interrupt service routine is following user assembly code program.
ORG
0
; 0000H
JMP
START
; Jump to user program address.
…
ORG
0X000B
; Jump to interrupt service routine address.
JMP
ISR_T0
ORG
0X0013
JMP
ISR_INT1
…
ORG
0X009B
JMP
ISR_ADC
…
ORG
0X00EC
START:
; 00ECH, The head of user program.
…
; User program.
…
JMP
START
; End of user program.
…
ISR_T0:
; The head of interrupt service routine.
PUSH
ACC
; Save ACC to stack buffer.
PUSH
PSW
; Save PSW to stack buffer.
…
POP
PSW
; Load PSW from stack buffer.
POP
ACC
; Load ACC from stack buffer.
RETI
; End of interrupt service routine.
ISR_ADC:
;
PUSH
ACC
; Save ACC to stack buffer.
PUSH
PSW
; Save PSW to stack buffer.
…
POP
PSW
; Load PSW from stack buffer.
POP
ACC
; Load ACC from stack buffer.
RETI
; End of interrupt service routine.
…
ISR_INT1
;
PUSH
ACC
; Save ACC to stack buffer.
PUSH
PSW
; Save PSW to stack buffer.
…
POP
PSW
; Load PSW from stack buffer.
POP
ACC
; Load ACC from stack buffer.
RETI
; End of interrupt service routine.
END
; End of program.



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