User Guide

HE910 Hardware User Guide
1vv0300925 Rev.18 – 15-06-2012
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The HE910 is provided by one AD converter. It is 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 input line is named as ADC_IN1 and it is available on Pad B1
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.