Error connecting to the target: Error 0x80000200/-180 Fatal Error during: OCS, This error was generated by TI's USCIF driver. SC_ERR_CTL_NO_TRG_POWER <-180> The controller has detected a target power loss. The user may have failed to turn-on or connect its source. Sequence ID: 0 Error Code: -180 Error Class: 0x80000200
这是什么意思呀?求指导