Freescale Semiconductor, Inc.
Technical Data — MC68HC908AS60
Section 15. Low-Voltage Inhibit (LVI) Module
15.1 Contents
15.2 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .209
15.3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .210
15.4 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .210
15.4.1 Polled LVI Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .211
15.4.2 Forced Reset Operation. . . . . . . . . . . . . . . . . . . . . . . . . . .211
15.4.3 False Reset Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . .212
15.5 LVI Status Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .212
15.6 LVI Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .213
15.7 Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .213
15.7.1 Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .213
15.7.2 Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .213
15.2 Introduction
This section describes the low-voltage inhibit module (LVI47, Version A),
which monitors the voltage on the VDD pin and can force a reset when
the VDD voltage falls to the LVI trip voltage.
MC68HC908AS60 — Rev. 1.0
Technical Data
Low-Voltage Inhibit (LVI) Module
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