CLM920_RC3(RV3 RE3)LCC Series CAT1 Module Hardware Manual
Shanghai YUGE Information Technology Co., Ltd.
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the interrupt wake-up function.
GPIO74 is a general-purpose GPIO with a 1.8V voltage domain. The GPIO supports interrupt
wake-up function.
W_DISABLE #:
Flight mode control (this function is under development). When the W_DISABLE # signal is
pulled low, the module RF function can be turned off, so that the module enters the flight
mode, and pulled high to turn on the module RF function. At the same time, it can also be set
to the flight mode through AT + CFUN, please refer to the AT command set for details.
3.9 Status indication interface
CLM920_RC3 module provides three GPIO pins to indicate module status.
Table 3-18 Definition of status indication pins
Pin
Signal name
I/O
Description
5
NET_MODE
DO
4G network indication, function development
6
NET_STATUS
DO
Network status indication
61
STATUS
DO
Module status indication, function development
Table 3-19 Network registration status indication
Status
Pin level status
Module registration LTE network
Output high level
Other
Output low
Table 3-20 Module status indication
Module power-on status indication
Pin level
Boot
low
other
High resistance
Table 3-21 Module network operating status indication
Module network running status indication Pin level
registration failed
Chang Liang
LTE or data service transmission
Fast flashing (200ms high / 200ms low)
