User Guide

ME910G1 Preliminary HW Design Guide
1VV0301593 Rev.2 Page 40 of 95 2020-01-13
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
ME910G1 when the module is powered off or during an ON-OFF
transition.
“Start AT CMD”
START
Delay = 300 msec
Enter AT <CR>
GO TO
“HW Shutdown
Unconditional”
AT answer in
1 sec ?
GO TO
“Modem ON Proc.”
“Start AT CMD”
END
Y
N