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【TM4C123】本人刚买的TM4C123纯芯片,焊接好之后出现internal command error问题

Other Parts Discussed in Thread: TM4C123GH6PM, LMFLASHPROGRAMMER, UNIFLASH

如题目,焊接好的板子接入keil5 后,其他参数保证选对没问题,下载的时候弹出“internal command error”,

我是刚买的新的TM4C123GH6PM芯片,刚焊完的,检查电路没问题。

难道这款芯片需要解锁吗