Rainbow-electronics GM862-QUAD-PY Instrukcja Użytkownika Pobierz pdf (Strona 20)

GM862-QUAD / PY Hardware User Guide

1vv0300748 Rev. 5 - 20/09/07

For example:

1- Let's assume you need to drive the RESET# pin with a totem pole output of a +3/5 V microcontroller

(uP_OUT2):

The hardware unconditional restart must not be used during normal operation of the device

since it

does not detach the device from the network. It shall be kept as an emergency exit procedure to be

done in the rare case that the device gets stacked waiting for some network or SIM responses.

If device does not respond to a command in the timeout window, retry issuing the command and if still

no response is received a hardware reset shall be issued.

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Rainbow-electronics GM862-QUAD-PY Instrukcja Użytkownika Strona 20