Digi XBee3 Cellular LTE-M Global Smart Modem User Guide
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Send AT commands 75
Response to AT commands 75
Apply command changes 75
Make command changes permanent 76
Exit Command mode 76
MicroPython mode 76
Sleep modes
About sleep modes 78
Normal mode 78
Pin sleep mode 78
Cyclic sleep mode 78
Cyclic sleep with pin wake up mode 78
SPI mode and sleep pin functionality 78
The sleep timer 79
MicroPython sleep behavior 79
Power saving features
Airplane mode 81
Power Saving Mode (PSM) 81
PSM behavior 81
Deep Sleep mode 81
Serial communication
Serial interface 83
Serial data 83
UART data flow 83
Serial buffers 84
CTS flow control 84
RTS flow control 84
Enable UART or SPI ports 84
SPI operation
SPI communications 87
Full duplex operation 88
Low power operation 89
Select the SPI port 89
Force UART operation 90
Data format 90
File system
Overview of the file system 92
Directory structure 92
Paths 92
Secure files 92
XCTU interface 93
Encrypt files 93