Chengdu Ebyte Electronic Technology Co,;Ltd E32-868T20D user manualCopyright ©2012–2019,Chengdu Ebyte Electronic Technology Co.,Ltd. 9transmit data at this circumstance, it may cause overtime when the module is waiting for the user data, ortransmitting wireless sub package. When AUX = 1, it does not mean that all the UART data of the module have been transmitted already, perhaps thelast packet of data is still in transmission.5.6.3 Configuration procedure of module Only happened when power-on resetting or exiting sleep mode5.6.4 Notes for AUXNo. Description1For function 1 & function 2 mentioned above, the priority should be given to the one with low level output, which means if itmeets each of any low level output condition, AUX outputs low level, if none of the low level condition is met, AUX outputshigh level.2 When AUX outputs low level, it means the module is busy & cannot conduct operating mode checking. Within 1ms since AUXoutputs high level, the mode switch will be completed.3 After switching to new operating mode, it will not work in the new mode immediately until AUX rising edge lasts for 2ms . IfAUX stays on the high level, the operating mode switch can be effected immediately.