<s>
The	O
Intel	B-Device
8257	I-Device
is	O
a	O
direct	B-General_Concept
memory	I-General_Concept
access	I-General_Concept
(	O
DMA	O
)	O
controller	O
,	O
a	O
part	O
of	O
the	O
MCS	O
85	O
microprocessor	O
family	O
.	O
</s>
<s>
The	O
chip	O
is	O
supplied	O
in	O
40-pin	O
DIP	B-Algorithm
package	O
.	O
</s>
