3Si Security Systems Inc. GT83000A Benutzerhandbuch
GE865 Hardware User Guide
1vv0300799 Rev.15– 2012-04-23
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
page 61 of 77
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.
Refer to SW User Guide or AT Commands Reference Guide for the full description of this
function.