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Jul 25, 2020
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Update analogReference.adoc #759

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2 changes: 1 addition & 1 deletion Language/Functions/Analog IO/analogReference.adoc
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Expand Up @@ -22,7 +22,7 @@ Configures the reference voltage used for analog input (i.e. the value used as t
Arduino AVR Boards (Uno, Mega, Leonardo, etc.)

* DEFAULT: the default analog reference of 5 volts (on 5V Arduino boards) or 3.3 volts (on 3.3V Arduino boards)
* INTERNAL: an built-in reference, equal to 1.1 volts on the ATmega168 or ATmega328P and 2.56 volts on the ATmega32U4 and ATmega8 (not available on the Arduino Mega)
* INTERNAL: a built-in reference, equal to 1.1 volts on the ATmega168 or ATmega328P and 2.56 volts on the ATmega32U4 and ATmega8 (not available on the Arduino Mega)
* INTERNAL1V1: a built-in 1.1V reference (Arduino Mega only)
* INTERNAL2V56: a built-in 2.56V reference (Arduino Mega only)
* EXTERNAL: the voltage applied to the AREF pin (0 to 5V only) is used as the reference.
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