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您好
根据您提供的资料分析,可能您的设备或者IC并没有被唤醒,IC目前处于low-power状态,建议您根据datasheet上的说明进行唤醒。
https://www.ti.com/lit/ds/symlink/tms320f280049c.pdf
关于如何配置以下链接TRM中有相关说明。