<s>
TriMedia	B-General_Concept
is	O
a	O
family	O
of	O
very	B-General_Concept
long	I-General_Concept
instruction	I-General_Concept
word	I-General_Concept
media	B-General_Concept
processors	I-General_Concept
from	O
NXP	O
Semiconductors	O
(	O
formerly	O
Philips	O
Semiconductors	O
)	O
.	O
</s>
<s>
TriMedia	B-General_Concept
is	O
a	O
Harvard	B-Architecture
architecture	I-Architecture
CPU	B-General_Concept
that	O
features	O
many	O
DSP	B-Architecture
and	O
SIMD	B-Device
operations	O
to	O
efficiently	O
process	O
audio	O
and	O
video	O
data	O
streams	O
.	O
</s>
<s>
For	O
TriMedia	B-General_Concept
processor	O
optimal	O
performance	O
can	O
be	O
achieved	O
by	O
only	O
programming	O
in	O
C/C	O
++	O
as	O
opposed	O
to	O
most	O
other	O
VLIW/DSP	O
processors	O
which	O
require	O
assembly	B-Language
language	I-Language
programming	O
to	O
achieve	O
optimal	O
performance	O
.	O
</s>
<s>
High-level	O
programmability	O
of	O
TriMedia	B-General_Concept
relies	O
on	O
the	O
large	O
uniform	O
register	B-General_Concept
file	I-General_Concept
and	O
the	O
orthogonal	B-General_Concept
instruction	I-General_Concept
set	I-General_Concept
,	O
in	O
which	O
RISC-like	O
operations	O
can	O
be	O
scheduled	O
independently	O
of	O
each	O
other	O
in	O
the	O
VLIW	B-General_Concept
issue	O
slots	O
.	O
</s>
<s>
Furthermore	O
,	O
TriMedia	B-General_Concept
processors	O
boast	O
advanced	O
caches	O
supporting	O
unaligned	O
accesses	O
without	O
performance	O
penalty	O
,	O
hardware	O
and	O
software	O
data/instruction	O
prefetch	O
,	O
allocate-on-write-miss	O
,	O
as	O
well	O
as	O
collapsed	O
load	O
operations	O
combining	O
a	O
traditional	O
load	O
with	O
a	O
2-taps	O
filter	O
function	O
.	O
</s>
<s>
TriMedia	B-General_Concept
development	O
has	O
been	O
supported	O
by	O
various	O
research	B-General_Concept
studies	I-General_Concept
on	O
hardware	O
cache	B-General_Concept
coherency	I-General_Concept
,	O
multithreading	O
and	O
diverse	O
accelerators	O
to	O
build	O
scalable	O
shared	O
memory	O
multiprocessor	B-Operating_System
systems	O
.	O
</s>
<s>
The	O
first	O
TriMedia	B-General_Concept
was	O
created	O
in	O
1987	O
under	O
the	O
name	O
LIFE-1	O
VLIW	B-General_Concept
processor	O
by	O
Gerrit	O
Slavenburg	O
and	O
Junien	O
Labrousse	O
.	O
</s>
<s>
For	O
the	O
next	O
several	O
years	O
LIFE	O
was	O
further	O
matured	O
internally	O
in	O
Philips	O
under	O
guidance	O
of	O
Gerrit	O
Slavenburg	O
,	O
which	O
resulted	O
in	O
1996	O
in	O
the	O
introduction	O
of	O
the	O
first	O
Trimedia	B-General_Concept
product	O
:	O
the	O
TM1000	O
PCI	O
Media	B-General_Concept
Processor	I-General_Concept
(	O
introduced	O
as	O
TM-1	O
)	O
.	O
</s>
<s>
In	O
2000	O
,	O
Philips	O
spun	O
out	O
its	O
TriMedia	B-General_Concept
business	O
to	O
TriMedia	B-General_Concept
Technologies	O
Inc	O
.	O
(	O
TTI	O
)	O
which	O
was	O
a	O
pure	O
“	O
IP	O
vendor	O
”	O
.	O
</s>
<s>
TTI	O
tried	O
unsuccessfully	O
to	O
create	O
a	O
64	O
bit	O
next	O
generation	O
TriMedia	B-General_Concept
CPU	B-General_Concept
architecture	O
.	O
</s>
<s>
In	O
2002	O
,	O
the	O
TM3260	O
CPU	B-General_Concept
was	O
released	O
in	O
the	O
PNX1500	O
Media	B-General_Concept
Processor	I-General_Concept
SoC	B-Architecture
.	O
</s>
<s>
This	O
CPU	B-General_Concept
was	O
the	O
first	O
of	O
a	O
family	O
of	O
modular	O
Trimedia	B-General_Concept
CPU	B-General_Concept
cores	O
with	O
standardized	O
interfaces	O
that	O
can	O
easily	O
be	O
integrated	O
inside	O
Audio/Video	O
SoC	B-Architecture
's	O
.	O
</s>
<s>
In	O
2004	O
the	O
super	O
pipelined	O
TM5250	O
CPU	B-General_Concept
core	O
was	O
announced	O
and	O
won	O
the	O
Best	O
Media	B-General_Concept
Processor	I-General_Concept
of	O
2003	O
Processor	O
Watch	O
:	O
Best	O
Media	B-General_Concept
Processor	I-General_Concept
:	O
TriMedia	B-General_Concept
TM5250	O
award	O
from	O
Microprocessor	O
Report	O
.	O
</s>
<s>
This	O
processor	O
was	O
made	O
available	O
in	O
the	O
PNX1700	O
Media	B-General_Concept
Processor	I-General_Concept
SoC	B-Architecture
.	O
</s>
<s>
These	O
two	O
CPU	B-General_Concept
cores	O
were	O
designed	O
by	O
Jan-Willem	O
van	O
de	O
Waerdt	O
in	O
close	O
cooperation	O
with	O
Gerrit	O
Slavenburg	O
.	O
</s>
<s>
In	O
2005	O
,	O
the	O
TM3270	O
was	O
announced	O
as	O
a	O
low-power	O
H.264	B-Application
capable	O
incarnation	O
of	O
the	O
TriMedia	B-General_Concept
architecture	O
(	O
see	O
external	O
links	O
to	O
papers	O
below	O
)	O
,	O
first	O
released	O
in	O
the	O
PNX4103	O
SoC	B-Architecture
.	O
</s>
<s>
In	O
2009	O
,	O
the	O
PNX1005	O
became	O
available	O
,	O
using	O
the	O
latest	O
TM3282	O
CPU	B-General_Concept
core	O
.	O
</s>
<s>
This	O
CPU	B-General_Concept
is	O
the	O
first	O
TriMedia	B-General_Concept
to	O
have	O
8	O
issue	O
slots	O
.	O
</s>
<s>
It	O
also	O
adds	O
more	O
operations	O
for	O
H.264	B-Application
and	O
video	O
optimization	O
,	O
data-cache	O
pre-allocating	O
and	O
a	O
bit-stream	O
coprocessor	O
for	O
entropy	O
en/de	O
-coding	O
.	O
</s>
<s>
It	O
is	O
also	O
the	O
first	O
TriMedia	B-General_Concept
to	O
have	O
a	O
real-time	O
trace	O
block	O
.	O
</s>
<s>
In	O
2010	O
,	O
the	O
TriMedia	B-General_Concept
group	O
at	O
NXP	O
was	O
terminated	O
.	O
</s>
<s>
(	O
worst	O
case	O
)	O
introduction	O
technologyTM10001997TMA032/16100	O
MHz500	O
nmTM11001998TMA132/16133	O
MHz350	O
nmTM13001999TMA132/16166	O
MHz250	O
nmTM32602002TMA2binary	O
compatible	O
with	O
TM130064/16250	O
MHz130	O
nmTM52502004TMA3128	O
KB	O
L2	O
data	B-General_Concept
cache	I-General_Concept
,	O
</s>
<s>
The	O
TriMedia	B-General_Concept
cores	O
were	O
typically	O
used	O
in	O
home	O
,	O
mobile	O
and	O
automotive	O
products	O
(	O
see	O
as	O
an	O
example	O
Philips	O
 '	O
Streamium	O
networked	O
multi-media	O
products	O
)	O
.	O
</s>
<s>
Some	O
SoCs	O
even	O
have	O
multiple	O
TriMedia	B-General_Concept
cores	O
such	O
as	O
the	O
PNX5100	O
that	O
contains	O
three	O
TM3271	O
cores	O
.	O
</s>
<s>
With	O
the	O
growing	O
complexity	O
of	O
SoC	B-Architecture
platforms	O
,	O
in	O
subsequent	O
years	O
,	O
the	O
basic	O
TriMedia	B-General_Concept
CPU	B-General_Concept
cores	O
were	O
also	O
included	O
in	O
more	O
highly	O
integrated	O
media	B-General_Concept
processor	I-General_Concept
SoC	B-Architecture
products	O
,	O
but	O
these	O
were	O
launched	O
under	O
the	O
Nexperia	O
brand	O
.	O
</s>
