Chengdu Ebyte Electronic Technology Co., Ltd. E77-xxxM22S User Manual
Copyright © 2012-2 024 , Chengdu Ebyte Electronic Technology Co., Ltd.
Note 2: The PC14-OSC32_IN and PC15-OSC32_OUT pins have been connected to a 32.768KHz crystal oscillator
inside the module for users to choose during secondary development.
Note 3: The OSC_IN and OSC_OUT pins have been connected to a 32MHz crystal oscillator inside the module for
users to choose during secondary development.
3.3 Recommended connection diagram
*Only applicable to LoRaWAN firmware applications that come with the module before delivery. Users need to
define pin functions by themselves for secondary development.