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Re: DSPIC30F6014的烧录问题?????
#2
高級會員
高級會員


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AVDD和AVSS有分別接到電源和地嗎?

發表於: 2007/9/23 14:28
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DSPIC30F6014的烧录问题?????
#1
新會員
新會員


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所用芯片为DSPIC30F6014,3.3V电压,ICD2与电脑通过USB连接,ICD2与目标板一端为水晶插头,一端插针。目标板自己供点3.3V。上电后,自检通过,VDD,VSS间电压正常。点CONNECT连接时产生错误“INVALID TARGET DEVICE ID(EXPECTED=0X098,READ=0X0)”

(1) 测量下载线,连接正常,单片机5个下载引脚均连接正确,紧固各接插部分,错误依旧。
(2) 重新焊一块板子,只焊上单片机,电源部分,下载线部分。连接正确后,错误依旧。
(3) 直接引5根线分别接入单片机的MCLR,VDD,VSS,PGC,PGD。上电后,仍连接不上,错误依旧。又试验另一个单片机,还是这个错误。

另:用的是MPLAB7.6

问题出在哪里,该怎么解决???

两个单片机同时坏的几率小,是ICD2坏了吗??如何验证单片机的好坏呢???


發表於: 2007/9/4 14:26
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