User's Manual

UE910 3G HARDWARE USER GUIDE 1vv0301171 Rev.3 • 2015-04-17 49 of 78
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5.7 External SIM Holder
Please refer to the related User Guide (SIM Holder Design Guides, 80000NT10001a).
5.8 ADC Converter
The UE910 is provided by one AD converter. It is able to read a voltage level in the range of 0÷1.2
volts applied on the ADC pin input, store and convert it into 10 bit word.
The input line is named as ADC_IN1 and it is available on Pad B1
The following table is showing the ADC characteristics:
Item
Min
Typical
Max
Unit
Input Voltage range
0
-
1.2
Volt
AD conversion
-
-
10
bits
Input Resistance
1
-
-
Mohm
Input Capacitance
-
1
-
pF
The ADC could be controlled using an AT command.
The command is AT#ADC=1,2
The read value is expressed in mV
Refer to SW User Guide or AT Commands Reference Guide for the full description of this function.