wdt_sl~1.dt

台弯义隆芯片看门狗和休眠设计控制实例说明Application of wdt+sleep in em。

;-----------------------------------------------------------
;Function:Use PORT7.0 output pulse ,and test sleep time
;-----------------------------------------------------------
;VARIABLE DEFINE
DLY_CNT      == 0X10                          ; 
;
             INCLUDE  "EM78P510.INC"
             
             ORG       0X000
             JMP       RESET
             ;
RESET:
             BANK      4
             CLR       P7IOCR                 ;SetPORT7 as output
             BANK      0
             BS        PORT7, 0
             MOV       A, @0X0FF
             CALL      SUB_DELAY
             BC        PORT7, 0
             MOV       A, @0XB0
             MOV       TWTCR, A               ;Distribution coefficient is 1:8,WDT timing is 144ms  
             BC        SCCR, IDLE
             SLEP                             ;Enter into sleep mode
             NOP             
MAIN:
             NOP
             NOP
             JMP       MAIN
             ;
SUB_DELAY:
             MOV       DLY_CNT, A
             DJZ       DLY_CNT
             JMP       $-1
             RET
             ;             
             END