mg84fl54 Megawin Technology, mg84fl54 Datasheet - Page 87

• Manufacturer Part Number: mg84fl54
• Description: Full-speed Usb Micro-controller
• Manufacturer: Megawin Technology

Target: WDT Overflow Period = 1.048 seconds
Fig 18-2 Sample Code for WDT
WDTCR_buf DATA
start:
main_loop:
MEGAWIN
;...
;...
MOV
ANL
ORL
MOV
ORL
MOV
ORL
MOV
;...
;...
JMP
ANL
MOV
30h
WDTCR_buf,#00h
WDTCR_buf,#0F8h ;(PS2,PS1,PS0)=(0,1,1), prescaler=16
WDTCR_buf,#03h
WDTCR,WDTCR_buf ;
WDTCR_buf,#20h
WDTCR,WDTCR_buf ;write to WDTCR register
WDTCR_buf,#10h
WDTCR,WDTCR_buf ;
main_loop
WDTCR_buf,#0DFh ;disable WDT
WDTCR,WDTCR_buf ;
;declare a buffer for WDTCR register
;(because WDTCR is a Write-only register)
;clear buffer for WDTCR register
;@SYSCLK=6MHz, WDT_Overflow_Period=1.048s
;enable WDT
;clear WDT
MG84FL54B Data sheet
87