<s>
The	O
Intel	B-Device
80188	I-Device
microprocessor	B-Architecture
was	O
a	O
variant	O
of	O
the	O
Intel	B-Device
80186	I-Device
.	O
</s>
<s>
The	O
80188	B-Device
had	O
an	O
8-bit	O
external	B-General_Concept
data	I-General_Concept
bus	I-General_Concept
instead	O
of	O
the	O
16-bit	B-Device
bus	O
of	O
the	O
80186	B-Device
;	O
this	O
made	O
it	O
less	O
expensive	O
to	O
connect	O
to	O
peripherals	B-Device
.	O
</s>
<s>
The	O
16-bit	B-Device
registers	O
and	O
the	O
one	O
megabyte	O
address	O
range	O
were	O
unchanged	O
,	O
however	O
.	O
</s>
<s>
Intel	O
second	O
sourced	O
this	O
microprocessor	B-Architecture
to	O
Fujitsu	O
Limited	O
around	O
1985	O
.	O
</s>
<s>
Both	O
packages	O
of	O
Intel	B-Device
80188	I-Device
version	O
were	O
available	O
in	O
68-pin	O
PLCC	B-Algorithm
and	O
PGA	B-Algorithm
in	O
sampling	O
at	O
third	O
quarter	O
of	O
1985	O
.	O
</s>
<s>
The	O
80188	B-Device
series	O
was	O
generally	O
intended	O
for	O
embedded	B-Architecture
systems	I-Architecture
,	O
as	O
microcontrollers	B-Architecture
with	O
external	O
memory	O
.	O
</s>
<s>
Therefore	O
,	O
to	O
reduce	O
the	O
number	O
of	O
chips	O
required	O
,	O
it	O
included	O
features	O
such	O
as	O
clock	O
generator	O
,	O
interrupt	B-Architecture
controller	I-Architecture
,	O
timers	O
,	O
wait	B-Device
state	I-Device
generator	O
,	O
DMA	B-General_Concept
channels	O
,	O
and	O
external	O
chip	B-Architecture
select	I-Architecture
lines	O
.	O
</s>
<s>
The	O
initial	O
clock	O
rate	O
of	O
the	O
80188	B-Device
was	O
6MHz	O
,	O
but	O
due	O
to	O
more	O
hardware	O
available	O
for	O
the	O
microcode	B-Device
to	O
use	O
,	O
especially	O
for	O
address	O
calculation	O
,	O
many	O
individual	O
instructions	O
ran	O
faster	O
than	O
on	O
an	O
8086	O
at	O
the	O
same	O
clock	O
frequency	O
.	O
</s>
<s>
For	O
instance	O
,	O
the	O
common	O
register+immediate	O
addressing	B-Language
mode	I-Language
was	O
significantly	O
faster	O
than	O
on	O
the	O
8086	O
,	O
especially	O
when	O
a	O
memory	O
location	O
was	O
both	O
(	O
one	O
of	O
the	O
)	O
operand(s )	O
and	O
the	O
destination	O
.	O
</s>
<s>
Along	O
with	O
hundreds	O
of	O
other	O
processor	O
models	O
,	O
Intel	O
discontinued	O
the	O
80188	B-Device
processor	O
30	O
March	O
2006	O
,	O
after	O
a	O
life	O
of	O
about	O
24	O
years	O
.	O
</s>
