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嗨，我更新MPLABX从3.45到3.50。新的固件被下载到pickit3，现在每次我试着连接到我的板时，我都试着运行3.45和下载它的固件，但是仍然没有成功。这也发生在我的第二个皮卡，但它恢复到3.45帮助。有什么想法吗？
以上来自于百度翻译 以下为原文 Hi, I updated mplabx from 3.45 to 3.50. New firmware was downloaded to pickit3 and now every time I try to connect to my board I get Target voltage detected Unable to connect to the target device. Failed to get Device ID I have tried running 3.45 and downloading its firmware but still no success. This also happened to my 2nd pickit but reverting it to 3.45 helped. Any ideas? 
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6个回答
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情况包括在内。在几台PC重新启动和固件升级/降级后，它又开始使用3.45
以上来自于百度翻译 以下为原文 Situation contained. After few PC restarts and firmware upgrades/downgrades it started working again with 3.45 |
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3.51似乎把我的皮卡3砖了起来。但我最终能够通过在按住按钮的同时按下按钮来恢复到一定程度。据推测，它进入了引导加载模式，可以接受新的固件或类似的东西。但是它没有那么清晰。有好几次，它仍然不能在MPLLAB X中以设备的形式出现，因此不能加载新的固件，并且一旦它停止工作，它就重新开始工作，这就是它目前所保持的位置。
以上来自于百度翻译 以下为原文 3.51 seemed to brick my PICkit 3. But I was able to eventually recover it to a degree by holding down the button while plugging in. Supposedly that puts it in to bootloader mode where it can accept new firmware, or something like that. But it wasnt as clear cut as that. A couple of times it still would not appear as a device in MPLAB X and therefore could not have new firmware loaded, and after getting it to work once it stopped working completely again and that is where it remains at the moment. |
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它已经不见了。PICkit再次崩溃，无法检测任何设备的ID。洗牌FW版本和改变USB端口无济于事。100%，它不是布线问题，因为其他皮卡是完美的工作。
以上来自于百度翻译 以下为原文 Aaaand it's gone. PICkit broke again, and cant detect any device's id. Shuffling FW versions and changing u*** ports doesnt help. 100% that it isn't wiring problem because other pickit is working perfectly |
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它可能是皮卡3上的坏连接器吗？它似乎有点脆弱，这样的连接器在几百个插入周期后可能会开始失效。薄弱的接触弹簧，金闪光损失和接触表面的腐蚀，可能导致设备间歇，也可能导致下载的代码的错误编程。我知道我的PICkit3有时会被稍微硬一点的USB线推动，这会给头部的女性联系人带来压力。
以上来自于百度翻译 以下为原文 Could it be a bad connector on the PICkit3? It seems to be a bit fragile and such connectors can start failing after a couple hundred insertion cycles. Weakened contact springs, loss of gold flash, and corrosion of the contact surfaces, could cause the device to become intermittent and may also result in faulty programming of downloaded code. I know that my PICkit3 sometimes gets pushed around by the somewhat stiff USB cable and it puts strain on the female contacts in the header. |
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我已经检查过连接了，看起来不错。
以上来自于百度翻译 以下为原文 I've already checked connections and they seem fine. |
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Microchip为非工作的程序员提供免费的交流，但你必须先通过这个自助练习：HTTP://www. MicroChIP.COM/CISAR/HOM.ASPX
以上来自于百度翻译 以下为原文 Microchip offer free exchange on non-working programmers, but you must go through this self-help exercise first: http://www.microchip.com/CiSAR/Home.aspx |
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