10我的
单片机突然下载程序报错：ERROR while loading diagnos
tics algorithm to target system.the chip may be secured, or the derivative seleceted may be wrong. 请问是什么原因造成的，我的单片机开始下载程序正常的，我还调试了很久的，突然发现上诉问题的，从新解锁也会出现解锁不成功的现象。derivative could not be unsecured!the unsecure cammand file might be missing or disabled. make sure the commad file defined in the unsecure panel of the command file dialog contains the correct commands to unsecure the current connected derivative and the board oscillator frequency.
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最后一点，你奖励只有1分没有十分，不要撒谎，做个好孩子！
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