User's Manual

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Note d’étude / Technical document : URD1 – 5625.1 – 006 / 69796 Edition 03

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3.11 ADC

The ADC value can be read by the specific AT command as defined in the document referenced [2]. The input

limits are the following: from 0V up to 1750mV

The returned value is on 10 bits converted to decimal.

3.12 Micro-wire Bus

The microwire bus is available but the client has to ask SAGEM to develop the driver and the specific

application related the connected device.

3.13 Antenna detection

Antenna detection can be provided if following criteria are met :

• Antenna design is performed according to design given below.

• Feature is activated through AT command.

AT command answer can be synchronous or asynchronous depending on customer request, as described in

AT command document referenced [ 2 ].

MO300

Antenna contacts

A coil L of 39µH must be added inside the

antenna connector.

Antenna

Antenna connector

50Ω track