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dsPIC30F6012A-30I device發燙
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新會員
 
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我現在的工作電壓為5V, 且crystal固定用6MHZ, 如果我用PLL4, 則Fcy = 6MHZ,此時device的溫度,手摸起來溫溫的.....
而如果我用PLL16時,則Fcy = 24 MHZ,此時運作中的device摸起來就有點熱(估計約有60~75度)...此時MPLAB Debugger一直會有錯(無法進入debugger mode).....不是聲稱可跑到30MIPS........怎看起來只有一半的性能呀??還是有其它的限制呀??這30MIPS是在怎樣的情況下得來的勒?? 另有一使用上的問題再請教一下....我在模擬CAN bus的行為時...如果用MPLAB SIM則一直沒辦法進到loop back mode or normal mode....但換成MPLAB ICD2時則OK...這是對的嗎?? 謝謝 
發表於: 2006/10/19 11:16
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