User's Manual

HC864-AUTO Hardware User Guide
1vv0300946 Rev.4 – 2012-12-27
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
Reserved. Page 60 of 77
12.1.3. Low Pass Filter Example
.
12.2. ADC Converter
12.2.1. Description
The on board ADCs are 8-bit converters. They are able to read a voltage level in the range of
0-2 volts applied on the ADC pin input and store and convert it into 8 bit word.
Min Max Units
Input Voltage range 0 2.0 Volt
AD conversion - 8 bits
Resolution - < 8.6 mV
The HC864-AUTO module provides 2 Analog to Digital Converters.
The input lines are:
ADC_IN1 available on Pin 37 and Pin 19 of PL102 on EVK2 Board (CS1203)
ADC_IN2 available on Pin 38 and Pin 20 of PL102 on EVK2 Board (CS1203)
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.