mc68hc908lb8 Freescale Semiconductor, Inc, mc68hc908lb8 Datasheet - Page 119

• Manufacturer Part Number: mc68hc908lb8
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Chapter 12
Low-Voltage Inhibit (LVI)
12.1 Introduction
This section describes the low-voltage inhibit (LVI) module, which monitors the voltage on the V
and can force a reset when the V
12.2 Features
Features of the LVI module include:
12.3 Functional Description
Figure 12-1
selectable options found in the configuration register (CONFIG1). See
(CONFIG).
Freescale Semiconductor
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•
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Programmable LVI reset
Programmable power consumption
Selectable LVI trip voltage
Programmable stop mode operation
shows the structure of the LVI module. LVISTOP, LVIPWRD, and LVIRSTD are user
DETECTOR
LOW V
V
DD
DD
Figure 12-1. LVI Module Block Diagram
V
V
DD
DD
DD
FROM CONFIG
> LVITRIP = 0
≤ LVITRIP = 1
voltage falls below the LVI trip falling voltage, V
LVIPWRD
MC68HC908LB8 Data Sheet, Rev. 1
LVIOUT
STOP INSTRUCTION
FROM CONFIG
LVIRSTD
Chapter 5 Configuration Register
FROM CONFIG
LVI RESET
LVISTOP
TRIPF
.
DD
pin
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