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请教cc2540数据发送问题

Other Parts Discussed in Thread: CC2540

目前在测试cc2540,工作在默认配置,从机模式,唤醒状态,透传模式。我用电脑串口助手写数据到cc2540,再通过蓝牙传到手机。单电脑串口助手设置成1s发送一次时(每次5个字节),十几秒手机这边就收不到数据了,2s发送一次时,数据接收时间持续的就要长些,10s一次时,手机这边持续接收了23分钟,就停止了。测量过模块连接状态引脚,是低电平,表示与主机连接是正常的。请问这是什么问题?