Intel 8257
The Intel 8257 is a direct memory access (DMA) controller, a part of the MCS 85 microprocessor family. The chip is supplied in 40-pin DIP package.
An 8257 clone by NEC (μPB8257C-5)
External links
- Intel: 8257/8257-5 Programmable DMA Controller (PDF; 2,2 MB).
- NEC Electronics (Europe) GmbH, 1982 Catalog, p. 665–674 (μPD8257; μPD8257C-5).
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