使用WDT指令時(shí)應(yīng)注意:
1)如果在后續(xù)的FOR-NEXT循環(huán)中,執(zhí)行時(shí)間可能超過監(jiān)控定時(shí)器的定時(shí)時(shí)間,可將WDT插入循環(huán)程序中。
2)當(dāng)與條件跳轉(zhuǎn)指令CJ對(duì)應(yīng)的指針標(biāo)號(hào)在CJ指令之前時(shí)(即程序往回跳)就有可能連續(xù)反復(fù)跳步使它們之間的程序反復(fù)執(zhí)行,使執(zhí)行時(shí)間超過監(jiān)控時(shí)間,可在CJ指令與對(duì)應(yīng)標(biāo)號(hào)之間插入WDT指令。
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