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问下CC2540DK-Mini的问题



买了一套CC2540DK-Mini,有几个问题

1.keyforb连接电池后一直蜂鸣,这是否正常,按两个按键任意一个,先绿灯后红灯

2.看说明默认没有软件,需自己烧写,但是使用自带的CC Debugger不能识别到芯片,keyforb及dongle均如此,已经连接电源,接口确认正确

谢谢