Chengdu Ebyte Electronic Technology Co.,Ltd. E34-DTU (2G4H20) user manualCopyright ©2012–2019,Chengdu Ebyte Electronic Technology Co,;Ltd 10★ Note: no need to care about the wake-up mode (mode 1) and power saving mode (mode 2) if it doesn’t request lowpower consumption.7. Connection diagram when programming7.1. diagrammatic drawingMode M1 M0 DescriptionM ode 3 Sleep M ode Off Off Only be programmed using the configuration software in the current mode