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原理图和PCB参考Launch设计，电源供电已经检查过了，没有问题，复位电压在3V左右，CCS里提示
Error connecting to the target
逻辑分析仪检查了一下，TDO始终没有信号，谢谢。
型号选择什么的都配置正确没？楼主半夜还在研究，精神可嘉啊，向楼主学习。
