Telit Wireless Solutions HE910 - VV0300925 Rev

HE910 Hardware User Guide
1VV0300925 Rev. 32 Page 32 of 111 2019-11-25
A flow chart showing the AT commands managing procedure is displayed below:
NOTE:
In order to avoid a back powering effect it is recommended to avoid
having any HIGH logic level signal applied to the digital pins of the
HE910 when the module is powered off or during an ON/OFF transition
AT answer in
1 sec ?
N
Y
“Start AT CMD.”
START
DELAY 300msec
Enter AT<CR>
“Start AT CMD
.”
END
GOTO
“HW SHUTDOWN
unconditional”
GOTO
“Modem ON Proc.”