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Electronics
L
LCD:
Liquid Crystal Display
LVI:
Low-Voltage Interrupt
The low voltage interrupt (LVI) circuit monitors the operating voltage of
the MCU and generates an interrupt to the MCU if the voltage drops below a
predefined minimum. MCUs can continue to operate below the specified
minimum voltage rating but may experience unpredictable operation before
they fail. The LVI circuit generates an interrupt where software can cause
an orderly shutdown before unpredictable behavior can occur.
LVPI:
Low Voltage Program Inhibit
The low voltage program inhibit (LVPI) circuit monitors the operating
voltage of the MCU and inhibits programming of the MCU if the voltage
drops below a predefined minimum. MCUs can continue to program below the
specified minimum voltage rating but may experience unpredictable
operation before programming fails. The LVPI circuit inhibits programming
before any unpredictable behavior can occur.
LVR:
Low Voltage Reset
The low voltage reset (LVR) circuit monitors the operating voltage of the
MCU and forces a reset of the MCU if the voltage drops below a predefined
minimum. MCUs can continue to operate below the specified minimum voltage
rating but may experience unpredictable operation before they fail. The
LVR circuit places the MCU in the reset state before any unpredictable
behavior can occur.
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