MC68HC908JG16FA MOTOROLA [Motorola, Inc], MC68HC908JG16FA Datasheet - Page 298
MC68HC908JG16FA
Manufacturer Part Number
MC68HC908JG16FA
Description
Microcontrollers
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC908JG16FA.pdf
(324 pages)
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Low-Voltage Inhibit (LVI)
18.4 Functional Description
18.4.1 Low V
Technical Data
298
DD
Detector
Figure 18-1
out of reset. The LVI module contains independent bandgap reference
circuit and comparator for monitoring the V
voltage. An LVI reset performs a MCU internal reset and drives the RST
pin low to provide low-voltage protection to external peripheral devices.
The low V
reset when the V
in the configuration register (CONFIG) selects the trip point voltage. The
V
See
interaction between the SIM and the LVI.
DD
Freescale Semiconductor, Inc.
DETECTOR
DETECTOR
LOW V
LOW V
LVI5OR3
LVI circuit can be disabled by the setting the LVID bit in CONFIG.
8.4.2.5 Low-Voltage Inhibit (LVI) Reset
For More Information On This Product,
V
V
DD
REG
REG
DD
DD
Go to: www.freescale.com
shows the structure of the LVI module. The LVI is enabled
detector circuit monitors the V
Low-Voltage Inhibit (LVI)
V
V
V
V
Figure 18-1. LVI Module Block Diagram
DD
DD
DD
DD
DD
> V
< V
> V
< V
LVR
LVR
LVRR
LVRR
voltage falls below the trip voltage. The LVI5OR3 bit
= 0
= 1
= 0
= 1
LVIDR
LVID
DD
DD
voltage and the V
for details of the
voltage and forces a LVI
MC68HC908JG16
MOTOROLA
LVI RESET
—
REG
Rev. 1.0
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