Rainbow-electronics NUC130 Manuel d'utilisateur télécharger pdf (Page 51)

NUC130 Series DATA SHEET

Publication Release Date: May 31, 2010

- 51 - Revision V1.02

5.16 Analog Comparator

5.16.1 Functional Description

NUC1XX series contains two comparators. The comparators can be used in a number of different

configurations. The comparator output is a logical one when positive input greater than negative input,

otherwise the output is a zero. Each comparator can be configured to cause an interrupt when the

comparator output value changes.

Note that the analog input port pins must be configured as input type before Analog Comparator

function is enabled.

5.16.2 Features

z Analog input voltage range: 0~5.0V

z Software enabled with hysterisis function

z Two analog comparators with optional internal reference voltage input at negative end

z One comparator interrupt requested by either comparator

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Rainbow-electronics NUC130 Manuel d'utilisateur Page 51