mc68hc908lj24 Freescale Semiconductor, Inc, mc68hc908lj24 Datasheet - Page 421

• Manufacturer Part Number: mc68hc908lj24
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

22.1 Contents
22.2 Introduction
22.3 Features
MC68HC908LJ24/LK24 — Rev. 2.1
Freescale Semiconductor
Data Sheet — MC68HC908LJ24
22.2
22.3
22.4
22.4.1
22.4.2
22.4.3
22.4.4
22.5
22.6
22.6.1
22.6.2
This section describes the low-voltage inhibit (LVI) module, which
monitors the voltage on the V
voltage falls below the LVI trip falling voltage, V
Features of the LVI module include:
•
•
•
Programmable LVI interrupt and reset
Selectable LVI trip voltage
Programmable stop mode operation
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 421
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 421
LVI Status Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 426
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .422
Polled LVI Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 424
Forced Reset Operation . . . . . . . . . . . . . . . . . . . . . . . . . . .424
Voltage Hysteresis Protection . . . . . . . . . . . . . . . . . . . . . . 424
LVI Trip Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .426
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .426
Section 22. Low-Voltage Inhibit (LVI)
Low-Voltage Inhibit (LVI)
DD
pin and can force a reset when the V
TRIPF
.
Data Sheet
DD
421