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SN8A1702AX Scheda tecnica(PDF) 86 Page - SONiX Technology Company

Il numero della parte SN8A1702AX
Spiegazioni elettronici  8-Bit Micro-Controller
PDF  112 Pages
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Produttore elettronici  SONIX [SONiX Technology Company]
Homepage  http://www.sonix.com.tw
Logo SONIX - SONiX Technology Company

SN8A1702AX Scheda tecnica(HTML) 86 Page - SONiX Technology Company

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Preliminary
SN8P1702A/SN8P1703A
8-bit micro-controller build-in 12-bit ADC
SONiX TECHNOLOGY CO., LTD
Page 86
Revision 0.5
Example: How does users check the interrupt request in multi-interrupt situation?
ORG
8
; Interrupt vector
B0XCH
A, ACCBUF
; Store ACC value.
B0MOV
A, PFLAG
B0MOV
PFLAGBUF, A
;
INTP00CHK:
; Check INT0 interrupt request
B0BTS1
FP00IEN
; Check P00IEN
JMP
INTTC0CHK
; Jump check to next interrupt
B0BTS0
FP00IRQ
; Check P00IRQ
JMP
INTP00
; Jump to INT0 interrupt service routine
INTTC0CHK:
; Check TC0 interrupt request
B0BTS1
FTC0IEN
; Check TC0IEN
JMP
INTTC1CHK
; Jump check to next interrupt
B0BTS0
FTC0IRQ
; Check TC0IRQ
JMP
INTTC0
; Jump to TC0 interrupt service routine
INTTC1HK:
; Check TC1 interrupt request
B0BTS1
FTC1IEN
; Check TC1IEN
JMP
INT_EXIT
; Jump check to next interrupt
B0BTS0
FTC1IRQ
; Check TC1IRQ
JMP
INTTC1
; Jump to TC1 interrupt service routine
INT_EXIT:
B0MOV
A, PFLAGBUF
B0MOV
PFLAG, A
B0XCH
A, ACCBUF
; Restore ACC value.
RETI
; Exit interrupt vector



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