MC9S12G Family Reference Manual Rev.1.27
NXP Semiconductors 249
Chapter 3
5V Analog Comparator (ACMPV1)
Revision History
3.1 Introduction
The analog comparator (ACMP) provides a circuit for comparing two analog input voltages. Refer to the
device overview section for availability on a specific device.
3.2 Features
The ACMP has the following features:
• Low offset, low long-term offset drift
• Selectable interrupt on rising, falling, or rising and falling edges of comparator output
• Option to output comparator signal on an external pin ACMPO
• Option to trigger timer input capture events
3.3 Block Diagram
The block diagram of the ACMP is shown below.
Rev. No.
(Item No.)
Date (Submitted
By)
Sections
Affected
Substantial Change(s)
V00.08 13 Aug 2010 • Added register name to every bitfield reference
V00.09 10 Sep 2010 • Internal updates
•
V01.00 18 Oct 2010 • Initial version
•
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