<s>
A	O
parallel	B-Device
slave	I-Device
port	I-Device
(	O
PSP	O
)	O
is	O
an	O
interface	O
found	O
on	O
some	O
PIC	B-Architecture
microcontrollers	I-Architecture
.	O
</s>
<s>
It	O
allows	O
8-bit	O
asynchronous	O
bidirectional	O
data	O
transfer	O
between	O
the	O
PIC	O
and	O
external	O
devices	O
,	O
such	O
as	O
other	O
microcontrollers	O
or	O
personal	B-Device
computers	I-Device
.	O
</s>
