<s>
Input	B-Device
capture	I-Device
is	O
a	O
method	O
of	O
dealing	O
with	O
input	O
signals	O
in	O
an	O
embedded	B-Architecture
system	I-Architecture
.	O
</s>
<s>
Embedded	B-Architecture
systems	I-Architecture
using	O
input	B-Device
capture	I-Device
will	O
record	O
a	O
timestamp	O
in	O
memory	O
when	O
an	O
input	O
signal	O
is	O
received	O
.	O
</s>
<s>
The	O
corresponding	O
capability	O
to	O
trigger	O
an	O
output	O
at	O
a	O
specified	O
time	O
,	O
based	O
on	O
a	O
timestamp	O
in	O
memory	O
,	O
is	O
called	O
output	B-Application
compare	I-Application
.	O
</s>
<s>
There	O
are	O
many	O
programmable	B-Architecture
interrupt	I-Architecture
controllers	I-Architecture
that	O
provide	O
dedicated	O
input	B-Device
capture	I-Device
pins	O
and	O
a	O
programmable	O
counter	O
along	O
with	O
it	O
.	O
</s>
<s>
These	O
pins	O
generate	O
interrupts	O
to	O
the	O
controller	O
,	O
which	O
then	O
executes	O
an	O
interrupt	B-General_Concept
service	I-General_Concept
routine	I-General_Concept
.	O
</s>
