User's Manual

CL865-DUAL Hardware User Guide
1vv0301104 Rev.1 – 2014-03-07
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
Reserved. Page 54 of 70
Mod. 0805 2011-07 Rev.2
12.1.3. Low Pass Filter Example
.
12.2. ADC converter
12.2.1. Description
The on board ADC is 12-bit converter. It is able to read a voltage level in the range of 0 ~ 1.2
volts applied on the ADC pin input and store and convert it into 12 bit word.
Parameter
Min
Max
Units
Input Voltage range
0
1.2
Volt
AD conversion
-
12
bits
Resolution
-
< 1
mV
Input Resistance
1
Mohm
The signal is available on the following pads:
PAD
Name
I/O
Description
Notes
13
ADC_IN1
AI
Analog/Digital converter input
Accepted values 0
to 1.2V DC
14
ADC_IN2
AI
Analog/Digital converter input
Accepted values 0
to 1.2V DC
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.