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LAUNCHXL-CC1350-4: CC1350 power line do not low down after remove battery ????

Part Number: LAUNCHXL-CC1350-4
Other Parts Discussed in Thread: CC1350

Hi, experts !

I used LAUNCHXL-CC1350-4 reference design files to make my own board. But now i have a problem with my board.

The problem is after i remove the battery, power line that is used to power up the cc1350 chip do not low down if TX, RX

lines are connecting to another device. What is my problem?