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| MC908JB16DWE Datasheet, PDF (303/332 Pages) Freescale Semiconductor, Inc – Microcontrollers | |||
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Technical Data â MC68HC908JB16
Section 18. Low-Voltage Inhibit (LVI)
18.1 Contents
18.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303
18.3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303
18.4 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .304
18.4.1 Low VDD Detector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304
18.4.2 Low VREG Detector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 305
18.5 LVI Control and Configuration . . . . . . . . . . . . . . . . . . . . . . . . 305
18.6 Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306
18.6.1 Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .306
18.6.2 Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .306
18.2 Introduction
This section describes the low-voltage inhibit (LVI) module, which
monitors the voltage on the VDD pin and VREG pin. and can force a reset
when the VDD or VREG voltage falls below the LVI trip falling voltage.
18.3 Features
Features of the LVI module include:
⢠Independent voltage monitoring circuits for VDD and VREG
⢠Independent LVI circuit disable for VDD and VREG
⢠Selectable LVI trip voltage for VDD
MC68HC908JB16 â Rev. 1.1
Freescale Semiconductor
Low-Voltage Inhibit (LVI)
Technical Data
303
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