mc68hc908sr12 Freescale Semiconductor, Inc, mc68hc908sr12 Datasheet - Page 357

• Manufacturer Part Number: mc68hc908sr12
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

22.1 Contents
22.2 Introduction
22.3 Features
MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
Freescale Semiconductor
Data Sheet — MC68HC908SR12•MC68HC08SR12
22.2
22.3
22.4
22.4.1
22.4.2
22.4.3
22.4.4
22.5
22.6
22.7
22.7.1
22.7.2
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 reset
Selectable LVI trip voltage
Programmable stop mode operation
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 357
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 357
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .358
LVI Status Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361
LVI Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .361
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361
Polled LVI Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 359
Forced Reset Operation . . . . . . . . . . . . . . . . . . . . . . . . . . .360
Voltage Hysteresis Protection . . . . . . . . . . . . . . . . . . . . . . 360
LVI Trip Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .362
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .362
Section 22. Low-Voltage Inhibit (LVI)
Low-Voltage Inhibit (LVI)
DD
pin and can force a reset when the V
TRIPF
.
Data Sheet
DD
357