<s>
The	O
6530	B-Device
ROM-RAM-I/O	O
-Timer	O
(	O
RRIOT	B-Device
)	O
was	O
an	O
integrated	O
circuit	O
made	O
by	O
MOS	B-Architecture
Technology	I-Architecture
,	O
as	O
well	O
as	O
second	O
sources	O
such	O
as	O
Rockwell	O
.	O
</s>
<s>
It	O
was	O
very	O
similar	O
to	O
the	O
MOS	B-Device
6532	I-Device
RIOT	I-Device
,	O
but	O
it	O
incorporated	O
1	O
KB	O
of	O
ROM	B-Device
,	O
in	O
addition	O
to	O
the	O
chip	O
's	O
other	O
features	O
.	O
</s>
<s>
The	O
static	B-Architecture
RAM	I-Architecture
,	O
however	O
,	O
was	O
reduced	O
from	O
128	O
bytes	B-Application
to	O
64	O
.	O
</s>
<s>
Due	O
to	O
the	O
very	O
high	O
degree	O
of	O
integration	O
provided	O
by	O
this	O
chip	O
,	O
it	O
could	O
be	O
used	O
with	O
a	O
microcontroller	B-Architecture
to	O
comprise	O
a	O
full	O
working	O
computer	O
.	O
</s>
<s>
Since	O
the	O
incorporated	O
ROM	B-Device
was	O
mask	O
programmed	O
,	O
there	O
were	O
several	O
versions	O
of	O
the	O
chip	O
which	O
was	O
marked	O
as	O
6530-001	O
,	O
6530-002	O
and	O
so	O
on	O
..	O
Not	O
all	O
the	O
6530	B-Device
versions	O
are	O
marked	O
as	O
6530	B-Device
,	O
especially	O
the	O
later	O
ones	O
that	O
were	O
used	O
in	O
Commodore	O
disk	O
drives	O
.	O
</s>
<s>
The	O
list	O
of	O
different	O
6530	B-Device
chips	O
includes	O
the	O
following	O
:	O
</s>
<s>
6530-001	O
Probably	O
first	O
version	O
MOS	O
TIM-1	O
.	O
</s>
<s>
6530-002	O
One	O
of	O
two	O
RRIOTs	B-Device
used	O
in	O
the	O
MOS	O
KIM-1	O
computer	O
.	O
</s>
<s>
6530-003	O
Second	O
of	O
two	O
RRIOTs	B-Device
used	O
in	O
the	O
MOS	O
KIM-1	O
computer	O
.	O
</s>
<s>
6530-004	O
Used	O
in	O
the	O
MOS	O
TIM-1	O
computer	O
kit	O
.	O
</s>
<s>
6530-005	O
Unprogrammed	O
6530	B-Device
.	O
</s>
<s>
According	O
to	O
OSI	O
note	O
this	O
was	O
used	O
with	O
an	O
empty	O
ROM	B-Device
(	O
which	O
would	O
make	O
it	O
more	O
or	O
less	O
into	O
a	O
6532	B-Device
)	O
.	O
</s>
<s>
The	O
form	O
factor	O
was	O
a	O
JEDEC-standard	O
40-pin	O
ceramic	O
or	O
plastic	O
DIP	B-Algorithm
.	O
</s>
<s>
All	O
chips	O
seems	O
to	O
have	O
been	O
manufactured	O
by	O
MOS	B-Architecture
technology	I-Architecture
or	O
Rockwell	O
.	O
</s>
<s>
A	O
version	O
of	O
6530-004	O
by	O
Synertek	O
exists	O
.	O
</s>
