<s>
The	O
PowerPC	B-General_Concept
e500	I-General_Concept
is	O
a	O
32-bit	O
microprocessor	B-Architecture
core	I-Architecture
from	O
Freescale	O
Semiconductor	O
.	O
</s>
<s>
The	O
core	B-Architecture
is	O
compatible	O
with	O
the	O
older	O
PowerPC	O
Book	O
E	O
specification	O
as	O
well	O
as	O
the	O
Power	B-Architecture
ISA	I-Architecture
v.2.03	I-Architecture
.	O
</s>
<s>
It	O
has	O
a	O
dual	O
issue	O
,	O
seven-stage	O
pipeline	B-General_Concept
with	O
FPUs	B-General_Concept
(	O
from	O
version	O
2	O
onwards	O
)	O
,	O
32/32KiB	O
data	O
and	O
instruction	O
L1	O
caches	O
and	O
256	O
,	O
512	O
or	O
1024KiB	O
L2	O
frontside	O
cache	B-General_Concept
.	O
</s>
<s>
Speeds	O
range	O
from	O
533MHz	O
up	O
to	O
1.5GHz	O
,	O
and	O
the	O
core	B-Architecture
is	O
designed	O
to	O
be	O
highly	O
configurable	O
and	O
meet	O
the	O
specific	O
needs	O
of	O
embedded	B-Architecture
applications	O
with	O
features	O
like	O
multi-core	B-Architecture
operation	O
interface	O
for	O
auxiliary	O
application	O
processing	O
units	O
(	O
APU	O
)	O
.	O
</s>
<s>
e500	O
powers	O
the	O
high-performance	O
PowerQUICC	B-General_Concept
III	O
system	B-Architecture
on	I-Architecture
a	I-Architecture
chip	I-Architecture
(	O
SoC	O
)	O
network	B-General_Concept
processors	I-General_Concept
and	O
they	O
all	O
share	O
a	O
common	O
naming	O
scheme	O
,	O
MPC85xx	O
.	O
</s>
<s>
Freescale	O
's	O
new	O
QorIQ	B-General_Concept
is	O
the	O
evolutionary	O
step	O
from	O
PowerQUICC	B-General_Concept
III	O
and	O
will	O
also	O
be	O
based	O
on	O
e500	O
cores	O
.	O
</s>
<s>
There	O
are	O
three	O
versions	O
of	O
the	O
e500	O
core	B-Architecture
,	O
namely	O
the	O
original	O
e500v1	O
,	O
the	O
e500v2	O
and	O
the	O
e500mc	O
.	O
</s>
<s>
A	O
64-bit	O
evolution	O
of	O
the	O
e500mc	O
core	B-Architecture
is	O
called	O
the	O
e5500	B-General_Concept
core	I-General_Concept
and	O
was	O
introduced	O
in	O
2010	O
,	O
and	O
a	O
subsequent	O
e6500	B-General_Concept
core	I-General_Concept
added	O
multithreading	B-General_Concept
capabilities	O
in	O
2012	O
.	O
</s>
<s>
These	O
extensions	O
overlap	O
with	O
the	O
string	O
and	O
AltiVec	B-General_Concept
instructions	O
.	O
</s>
<s>
Support	O
for	O
SPESFP	O
(	O
Single	O
Precision	O
Embedded	B-Architecture
Scalar	O
Floating	O
Point	O
)	O
.	O
</s>
<s>
This	O
is	O
a	O
new	O
floating	B-General_Concept
point	I-General_Concept
unit	I-General_Concept
that	O
is	O
distinct	O
from	O
the	O
classic	O
FPU	O
,	O
the	O
latter	O
of	O
which	O
is	O
lacking	O
in	O
e500v1	O
and	O
e500v2	O
.	O
</s>
<s>
This	O
change	O
means	O
that	O
e500v2-based	O
devices	O
often	O
use	O
a	O
more	O
advanced	O
board	B-Operating_System
support	I-Operating_System
package	I-Operating_System
(	O
BSP	O
)	O
than	O
e500v1-based	O
devices	O
,	O
as	O
various	O
peripheral	O
units	O
have	O
moved	O
to	O
physical	O
addresses	O
higher	O
than	O
4GiB	O
.	O
</s>
<s>
Addition	O
of	O
DPESFP	O
(	O
double-precision	O
embedded	B-Architecture
scalar	O
floating	O
point	O
)	O
support	O
.	O
</s>
<s>
Freescale	O
introduced	O
the	O
e500mc	O
in	O
the	O
QorIQ	B-General_Concept
family	O
of	O
chips	O
in	O
June	O
2008	O
.	O
</s>
<s>
Power	B-Architecture
ISA	I-Architecture
v.2.06	I-Architecture
,	O
which	O
includes	O
hypervisor	B-Operating_System
and	O
virtualization	B-General_Concept
functionality	O
for	O
embedded	B-Architecture
platforms	O
.	O
</s>
<s>
The	O
"	O
classic	O
"	O
floating-point	B-General_Concept
unit	I-General_Concept
has	O
been	O
reinstated	O
.	O
</s>
<s>
All	O
PowerQUICC	B-General_Concept
85xx	O
devices	O
are	O
based	O
on	O
e500v1	O
or	O
e500v2	O
cores	O
,	O
most	O
of	O
them	O
on	O
the	O
latter	O
.	O
</s>
<s>
In	O
June	O
2008	O
Freescale	O
announced	O
the	O
QorIQ	B-General_Concept
brand	O
,	O
microprocessors	B-Architecture
based	O
on	O
the	O
e500	O
family	O
of	O
cores	O
.	O
</s>
<s>
In	O
free	B-Application
and	I-Application
open	I-Application
source	I-Application
software	I-Application
,	O
the	O
e500/MPC85xx	O
family	O
(	O
minus	O
the	O
e500mc	O
,	O
which	O
has	O
no	O
SPE	O
)	O
is	O
generally	O
known	O
as	O
"	O
PPC	O
SPE	O
"	O
(	O
powerpcspe	O
)	O
,	O
with	O
the	O
EABI	O
known	O
as	O
"	O
eabispe	O
"	O
.	O
</s>
<s>
Both	O
GCC	B-Application
(	O
before	O
version	O
9	O
)	O
and	O
LLVM	B-Application
offer	O
support	O
for	O
compiling	O
to	O
this	O
platform	O
,	O
and	O
QEMU	B-Application
provides	O
emulation	O
.	O
</s>
