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MSP430F5438: 使用UNIFLASH的BSL烧录失败

Part Number: MSP430F5438
Other Parts Discussed in Thread: UNIFLASH, MSP-FET

UNIFLASH进行BSL烧录时提示UNKNOWN ACK value如图所示

怀疑是接线问题,交换了TST和RST引脚后报错如下

同时测试了读flash也不成功。固件使用的是led定时闪烁的demo,请问是password问题还是接线或是其他问题呢?