MC68HC908QY2 MOTOROLA [Motorola, Inc], MC68HC908QY2 Datasheet - Page 196

• Manufacturer Part Number: MC68HC908QY2
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

Low-Voltage Inhibit (LVI)
16.3 Features
16.4 Functional Description
196
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Features of the LVI module include:
Figure 16-1
LVIPWRD, LVI5OR3, and LVIRSTD are user selectable options found in
the configuration register (CONFIG1). See
Register
The LVI is enabled out of reset. The LVI module contains a bandgap
reference circuit and comparator. Clearing the LVI power disable bit,
LVIPWRD, enables the LVI to monitor V
reset disable bit, LVIRSTD, enables the LVI module to generate a reset
when V
•
•
•
•
FROM CONFIG
Programmable LVI reset
Programmable power consumption
Selectable LVI trip voltage
Programmable stop mode operation
DETECTOR
LVI5OR3
DD
LOW V
V
(CONFIG).
DD
falls below a voltage, V
DD
shows the structure of the LVI module. LVISTOP,
Low-Voltage Inhibit (LVI)
Figure 16-1. LVI Module Block Diagram
V
V
DD
DD
FROM CONFIG
> LVITRIP = 0
LVIPWRD
LVITRIP = 1
LVIOUT
TRIPF
STOP INSTRUCTION
. Setting the LVI enable in stop
FROM CONFIG
DD
LVIRSTD
Section 5. Configuration
voltage. Clearing the LVI
FROM CONFIG
LVI RESET
LVISTOP
MOTOROLA