在使用TM4C129EKCPDT时候发现10个不良品是连着出现的,怀疑是哪个地方操作不对,把芯片锁死了,所以导致无法写入程序?麻烦帮忙看一下
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请看一下相关工程师的回复:
- Is this purchased from TI directly or from some valid distributor?
- Please provide the LTC on the device. The device marking on the chip will show this information.
- What is the percentage of failure? Are there chips that work?
- Have you tried other debug probe? I see that Jlink probe is used. Do you have other probes (eg. XDS110, XDS200) that you can try too. Just to make sure it is not a debug probe issue.