User's Guide

UL865 Hardware User Guide
1VV0301050 Rev 2 – 2013-10-09
The UL865 is provided by two A/D converters. They are able to read a voltage level in the
range of 0÷1.2 volts applied on the ADC pin input, store and convert it into 10 bit word.
The following table is showing the ADC characteristics:
Min
Typical
Max
Units
Input Voltage range
0
-
1.2
Volt
AD conversion
-
-
10
bits
Input Resistance
1
-
-
Mohm
Input Capacitance
-
1
-
pF
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
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.