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S39454B/F9454B
F
PROGRAMMING TIP — Sample S3C9454B/F9454B Initialization Routine (Continued)
;--------------<< Main loop >>
MAIN:
NOP
LD
•
•
CALL
•
•
•
CALL
•
•
•
CALL
•
•
•
JR
;--------------<< Subroutines >>
KEY_SCAN: NOP
•
•
•
RET
LED_DISPLAY: NOP
•
•
•
RET
JOB:
NOP
•
•
•
RET
BTCON,#02H
KEY_SCAN
LED_DISPLAY
JOB
T,MAIN
; Start main loop
; Enable watchdog function
; Basic counter (BTCNT) clear
;
;
;
;
;
;
;
RESET and POWER-DOWN
8-7
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