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https://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/652308/ccs-iwr1642-when-debugging-iwr1642-evm-board-with-ccs-power-off-and-then-on-the-uart-part-can-not-open-any-more
工具/软件：Code Composer Studio
使用 CCS 调试 IWR1642 EVM 板时、 请先关闭电源、然后再打开电源。 UART 器件无法再打开。
您需要关闭电路板电源、关闭 CCS 并清除 COM 端口、然后它将起作用。
或者需要通过 UART 进行连接。
如何解决？
谢谢
您好、Wang、
以下主题为您提供了一种更简单的解决方案、您无需重新启动 CCS：
https://e2e.ti.com/support/sensor/mmwave_sensors/f/1023/p/636152/2356130?tisearch=e2e-quicksearch&keymatch=COM%20PORT#2356130
此致
尼廷
