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PIC18F252的穩定度
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新會員
 
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我們是用PIC18F252設計一個安全監控系統,已經有10K的出貨經驗,但不知為何? 最近會發生ㄧ些程式沒有的流程問題,我是有設計一個除錯模式,生產前會以電腦的自動測試程式跑各種流程,以驗證各項功能均正常.<br /> 最近連續72小時監控記錄log出現多筆的異常,USART輸出變數如下:(每隔一秒ㄧ行)<br /> 999<br />1000<br /> 0<br /> 1<br /> ...<br />此變數正常值,均為0~7200,三天三夜72小時的第44小時又18分出現,上述狀況,請問這是韌體還是硬體異常ㄋ?
發表於: 2008/6/19 16:22
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