Smart LTE Module SeriesSmart EVB G2 User GuideSmart_EVB_G2_User_Guide Confidential / Released 48 / 59Emergency Download Interface4.13.Smart EVB G2 provides one emergency download switch USB_BOOT to force the module enter intodownload mode. Pull up USB_BOOT pin to 1.8V before powering on the module when the function isused. The following figures show a reference circuit design for the emergency download interface and itsswitch.LDO5_1P8S1ModuleUSB_BOOTR110KFigure 42: Reference Circuit Design for Emergency Download InterfaceON OFFFigure 43: Emergency Download SwitchQuectelConfidential
