<s>
A	O
low-voltage	B-Application
detect	I-Application
(	O
LVD	O
)	O
is	O
a	O
microcontroller	B-Architecture
or	O
microprocessor	B-Architecture
peripheral	O
that	O
generates	O
a	O
reset	B-General_Concept
signal	O
when	O
the	O
Vcc	O
supply	O
voltage	O
falls	O
below	O
Vref	O
.	O
</s>
<s>
Sometimes	O
is	O
combined	O
with	O
power-on	B-Application
reset	I-Application
(	O
POR	O
)	O
and	O
then	O
it	O
is	O
called	O
POR-LVD	O
.	O
</s>
