MC68HC08AS32 Datasheet, PDF (145/394 Pages) Motorola, Inc – M68HC08 Family of 8-bit microcontroller units (MCUs)

Advance Information — MC68HC08AS32
Section 10. Low-Voltage Inhibit (LVI)
10.1 Contents
10.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .145
10.3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .146
10.4 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .146
10.4.1 Polled LVI Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .147
10.4.2 Forced Reset Operation . . . . . . . . . . . . . . . . . . . . . . . . . .147
10.4.3 False Reset Protection . . . . . . . . . . . . . . . . . . . . . . . . . . .148
10.5 LVI Status Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .148
10.6 LVI Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149
10.7 Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149
10.7.1 Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149
10.7.2 Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149
10.2 Introduction
This section describes the low-voltage inhibit module (LVI), which
monitors the voltage on the V_DD pin and can force a reset when the V_DD
voltage falls to the LVI trip voltage.
MC68HC08AS32 — Rev. 3.0
MOTOROLA
Low-Voltage Inhibit (LVI)
Advance Information
145