XOR
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.. figure:: ../media/image976.png
   :figwidth: 4.32292in
   :align: center 

**Purpose**

To perform a logical XOR (exclusive OR) operation.

**Procedure** 

The output becomes TRUE (=1) if one and only one of the two input signals are TRUE.

**Parameters** 

None.

**Remarks** 

The output value shows whether the input values are mutually exclusive.

**Examples** 

Table 1 presents the possible output values for the XOR component.

Table 1: Possible output values

======== ======= ======= ======
Scenario input 1 input 2 Output
1        TRUE    TRUE    FALSE
2        TRUE    FALSE   TRUE
3        FALSE   TRUE    TRUE
4        FALSE   FALSE   FALSE
======== ======= ======= ======

.. include:: substitutions_control.rst