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| MC68HC908RK2 Datasheet, PDF (167/232 Pages) Motorola, Inc – Microcontroller Unit | |||
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Advance Information â MC68HC908RK2
Section 12. Low-Voltage Inhibit (LVI)
12.1 Contents
12.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
12.3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
12.4 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
12.4.1 False Trip Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
12.4.2 Short Stop Recovery Option. . . . . . . . . . . . . . . . . . . . . . . . 169
12.5 LVI Status Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .170
12.6 LVI Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .170
12.7 Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
12.7.1 Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .171
12.7.2 Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .171
12.2 Introduction
The low-voltage inhibit (LVI) module monitors the voltage on the VDD pin
and will set a low voltage sense bit when VDD voltage falls to the LVI
sense voltage. The LVI will force a reset when the VDD voltage falls to
the LVI trip voltage.
MC68HC908RK2 â Rev. 4.0
MOTOROLA
Low-Voltage Inhibit (LVI)
Advance Information
167
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