User's Manual

DE910 Series Hardware User Guide
1vv0301183 Rev.1 – 2015-2-13
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Reserved. Page 56 of 70
11. ADC section
11.1. ADC Converter
11.1.1. Description
The on board ADC is 16-bit converter. It is able to read a voltage level in the range of 0 ~ 4.0
volts applied on the ADC pin input and store and convert it into 16 bit word.
Parameter Min Max Units
Input Voltage range
0 4.0 Volt
AD conversion
- 16 bits
Resolution
- < 10 mV
Input Resistance
1 Mohm
The DE921 provides two Analog to Digital Converters.
The input lines are:
ADC available on pin W18, X19 and Pin 6, Pin 7 of PL102 on Interface Board (CS1660)
11.1.2. 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.