MC9S12G Datasheet, PDF (215/1160 Pages) Freescale Semiconductor, Inc – Ignores external trigger. Performs one conversion sequence and stops.

Chapter 3
5V Analog Comparator (ACMPV1)
Revision History
5V Analog Comparator (ACMPV1)
Rev. No. Date (Submitted
(Item No.)
By)
V00.07
01 Jul 2010
Sections
Affected
Substantial Change(s)
• Aligned to S12 register guidelines
V00.08
13 Aug 2010
• Added register name to every bitfield reference
V00.09
10 Sep 2010
• Internal updates
•
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
• Option to trigger timer input capture events
3.3 Block Diagram
The block diagram of the ACMP is shown below.
MC9S12G Family Reference Manual, Rev.1.01
Freescale Semiconductor
215
This document is valid for the S12G96 and the S12G128 device. All information related to other devices is preliminary.