GE865 Hardware User Guide
1vv0300799 Rev.9 – 27-07-2009
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
page 57 of 70
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 module provides 2 Analog to Digital Converters.
The input lines are:
ADC_IN1
available on Ball
F5
and Pin 19 of PL102 on GE865 Interface Board
(CS1324).
ADC_IN2
available on Ball
F6
and Pin 20 of PL102 on GE865 Interface 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.
