User's Manual

GE865 Hardware User Guide
1vv0300799 Rev.6 - 04/06/09
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 47 of 58
12.2 ADC Converter
12.2.1 Description
The on board A/D are 11-bit converter. They are able to read a voltage level in the range of 0÷2 volts
applied on the ADC pin input, store and convert it into 11 bit word.
Min
Max
Units
Input Voltage range 0 2 Volt
AD conversion - 11 bits
Resolution - < 1 mV
The GE865-QUAD module provides 2 Analog to Digital Converters. The input lines are:
ADC_IN1 available on Ball F5 and Pin 19 of PL102 on EVK2 Board (CS1324).
ADC_IN2 available on Ball F6 and Pin 20 of PL102 on EVK2 Board (CS1324).
12.2.2 Using ADC Converter
An AT command is available to use the ADC function.
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.