1.When qppc connected with qpps ,when connected,the uart0 receive MCU's data.
2.then disconnected qpps(shutdown qpps's power),but qppc recongnise the qpps down after 3 seconds .in the 3 seconds,the data always receive.
3.repeate the connect and disconnect,the QN9020 B3 will enter the HardFault_Handler .
Then disconnected qpps(shutdown qpps's power), but qppc recognise the qpps down after 3 seconds.
Could you please explain how are you shut down the qpps's power?