User's Manual

GM862-QUAD / PY Hardware User Guide
1vv0300748 Rev. 1 - 24/10/06
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Right reserved page 61 of 70
9 ADC section
9.1 ADC converter
9.1.1 Description
The GM862-QUAD / PY module provides a Analog to Digital Converter. The input line (named
ADC_IN1) is available on Pin #6 of the B2B connector of the module and on pin 19 of PL104
on EVK2 Board.
The on board A/D is 11-bit converter. It is 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
9.1.2 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 to GM862-QUAD / PY AT commands specification for the full
description of this function.