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我有很多麻烦连接MPLAX X到我的新皮卡3。有时它有效，有时不起作用。我得到的错误是“连接失败”。我通常可以通过拔出USB端口的皮卡并再次插入它来工作。我必须不止一次这样做。有时我也要把它从测试电路中拔出来。我还没能确定一个能让它再次工作的模式。我用的是3.55，但是以前的版本有问题。
以上来自于百度翻译 以下为原文 I am having lots of trouble connecting MPLAB X to my new PICkit 3. Sometimes it works and sometimes it does not. The error I get is "Connection Failed." I can usually get it to work by unplugging the PICkit from the USB port and plugging it back in again. I have to do this more than once. Sometimes I have to unplug it from the test circuit as well. I have not been able to determine a pattern which always gets it to work again. I am using 3.55 but have had the trouble with the previous version. 
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7个回答
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电脑细节？有旧的吗？它起作用了吗？它在另一台电脑上工作吗？
以上来自于百度翻译 以下为原文 The Computer details? Was there an old one? did it work? does it work on a different computer? |
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我几乎总是得到与PICTIT3相同的响应。我发现它的唯一方法是最好跟随3的表中的顺序。在构建之后，选择CIPIT3作为调试器或程序员，连接USB电缆，与附加的目标板，打开目标电源。2亚历克的问题
以上来自于百度翻译 以下为原文 I practically always get the same response with the Pickit3. I have found the only way it works the best is to follow the sequence in the sheet that came with the 3. After a build, select Pickit3 as Debugger or Programmer, connect USB cable, with attached target board, turn on target power. Never had the problem with the 2. Alec |
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感谢YouKurZMAN为您的答复…操作系统是Windows 7 Pro，32位。它比我以前的3点要好得多。我有一台电脑，没有改变操作系统。这个问题也发生在MPLAB X 3.51上。
以上来自于百度翻译 以下为原文 Thank you NKurzman for your reply... The OS is Windows 7 Pro, 32 bit. It worked a lot better with my previous PICkit 3. I have one computer and have not changed the OS. The problem also occurred with MPLAB X 3.51. |
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2019-4-24 14:43:56
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嗨，亚历克，谢谢你的回复。它通常发生在成功的调试会话之后，我已经做了一些代码更改。我尝试加载新的调试代码，系统失败。我会尝试您的建议，并张贴结果。
以上来自于百度翻译 以下为原文 Hi Alec, Thank you for the response. It usually happens after a successful debugging session after I have made some code changes. I try to load the new debug code and the system fails. I will try your suggestion and post the results. |
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2019-4-24 14:52:39
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尝试编辑注册表以禁用PK3上的增强型电源管理。参见：HTTP://www. MyCHIP.COM/FUMMS/M83106ASPX
以上来自于百度翻译 以下为原文 Try editing your registry to disable enhanced power management on the PK3. See: http://www.microchip.com/forums/m883106.aspx |
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尝试添加铁素芯到USB电缆或使用一个有一个…
以上来自于百度翻译 以下为原文 Try adding a ferrite core to the USB cable or use one that has one.... |
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看来我已经解决了这个问题。虽然我不确定这两者中的哪一个——如果两者都是必需的……1，使用设备管理器，我在工具-选项-嵌入式-通用设置中启用USB永远不下电）：我启用了“保持对硬件工具的主动连接”，看起来我也需要PICkit迪斯科。当MPLAB启动时，从计算机上启动。
以上来自于百度翻译 以下为原文 It looks like I have fixed the problem. Although I am not sure which of these two did it - of if both are necessary... 1) Using Device Manager, I enabled the USB to never power down 2) in Tools - Options - Embedded - Generic Settings: I enabled "Maintain active connection to hardware tool." It also looks like I need to have the PICkit disconnected from the computer when MPLAB starts. |
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2019-4-24 15:43:14
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