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背景: 我们在固件中使用SPC56EL70及其Flash驱动程序。 问题描述: 在使用Flash驱动程序的Erase API时,我们已经擦除了闪存的影子存储区。 在擦除该区域之后,当MCU被给予硬复位(通过电源开/关循环)时,观察到它不可用。 调试器未连接到MCU,我们无法下载新的固件。 问题严重性: 影子存储器擦除已在我们所有5个MCU板上执行,因此所有5个板已经不存在。 我们需要紧急的帮助和支持,将董事会恢复到工作状态。请提供指导,帮助我们克服这个问题。 非常感谢提前。 以上来自于谷歌翻译 以下为原文 Hello, Background: We are using the SPC56EL70 and it's Flash driver in our Firmware. Problem description: While using the Erase API of the Flash driver we have erased the shadow memory area of the Flash memory. After having erased this area, when the MCU was given a hard reset (by a Power ON/OFF cycle), it is observed to be unusable. The debugger does not connect to the MCU, and we are unable to download new Firmware. Problem severity: The shadow memory erase has been executed on all 5 of our MCU boards, as a result of which all 5 boards have become defunct. We need urgent help and support to restore the boards to a working state. Kindly provide guidance to help us overcome this problem. Thanks a lot in advance. |
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嗨abhishek,
你用的是什么样的电路板? MCU焊接在电路板上?我认为解决您问题的最快方法是向您发送五个全新的SPC56EL70。 我写这篇文章,因为从你的情况中恢复并不是那么容易。阴影闪光可以在测试模式下恢复,但我认为我们不能在您的实验室中进行。 让我们知道, Dario Catalano。 以上来自于谷歌翻译 以下为原文 Hi abhishek, what kind of board are you using ? The MCU are soldered on the board ? I think the fastest way to overcome your issue is to send you five brand new SPC56EL70. I am writing this since it is not so easy to recover from your situation. Shadow flash can be recovered in test mode, but I do not think we can do it in your laboratory. Let us know, Dario Catalano. |
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嗨达里奥,
我们使用的是飞思卡尔的主板:ASD433A - xPC56xLADPT144S迷你模块。 MCU未焊接到电路板上,它可以插入电路板上的插座中。 是的,我们知道更换MCU将不那么繁琐,但是我们真的希望在您的指导下尝试一切可能,将5个已解散的MCU恢复到原始状态。 它不仅可以确保我们在购买5个MCU上的投资得到挽救,而且如果能够实现,它还能让我们倍感安心。因此,我们想尝试恢复MCU部件。 你能否分享将MCU恢复到原始状态的方法?我可以在一个MCU上试一试,如果成功,将其应用到剩下的四个MCU中。 非常感谢您的回复。 - Abhishek Kulkarni。 以上来自于谷歌翻译 以下为原文 Hi Dario, We are using a board from Freescale: ASD433A - xPC56xLADPT144S Mini-module. The MCU is not soldered onto the board, it fits into a socket on the board. Yes, we understand that replacing the MCUs would be less tedious, however we would really like to try out everything possible, with your guidance, to restore the 5 defunct MCUs to their original state. Not only would it ensure that our investment in purchasing the 5 MCUs is saved, but if it works, it would also give us the much needed peace of mind. We would therefore like to try to restore the MCU parts. Could you please share the method to restore the MCU to it's original state? I could try it out on one MCU to begin with, and if successful, apply it to the remaining four MCUs. Thanks a lot for your response. - Abhishek Kulkarni. |
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亲爱的Kulkarni先生,
我们无法在线披露我们制造过程中为这些MCU访问影子存储器的过程。 我建议您联系ST销售人员或您正在处理的ST授权经销商,以讨论此问题并找到解决方案。 问候 卢卡 以上来自于谷歌翻译 以下为原文 Dear Mr Kulkarni, we cannot disclose on line the procedures done during our manufacturing to access the shadow memory for these MCU's. I would suggest you to contact ST sales personel or ST authorized distributors you are dealing with to discuss this problem and find a solution. Regards Luca |
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