<s>
The	O
Parallel	B-Device
Peripheral	I-Device
Interface	I-Device
(	O
PPI	O
)	O
is	O
a	O
peripheral	O
found	O
on	O
the	O
Blackfin	B-General_Concept
embedded	O
processor	O
.	O
</s>
<s>
The	O
PPI	O
is	O
a	O
half-duplex	O
,	O
bi-directional	O
port	O
that	O
is	O
designed	O
to	O
connect	O
directly	O
to	O
LCDs	B-Device
,	O
CMOS	B-Architecture
sensors	I-Architecture
,	O
CCDs	O
,	O
video	O
encoders	O
(	O
video	O
DACs	O
)	O
,	O
video	O
decoders	O
(	O
video	O
ADCs	O
)	O
or	O
any	O
generic	O
high	O
speed	O
,	O
parallel	O
device	O
.	O
</s>
<s>
The	O
latest	O
Blackfin	B-General_Concept
family	O
(	O
BF54x	O
)	O
also	O
features	O
an	O
18/24	O
-bit	O
PPI	O
for	O
direct	O
connection	O
to	O
RGB	O
LCD	B-Device
panels	I-Device
.	O
</s>
