SAB82C257-1-N controller equivalent, (sab82c25x-x-n) advanced dma controller.
* 16-bit DMA controller for 16-bit family processors
– SAB 80286
– SAB 80186 188
– SAB 8086/88
* 4 independent hig.
using the remote mode. The SAB 82258A is unique among DMA controllers providing complete direct interfacing to the SAB 8.
The SAB 82258A is an advanced general-purpose fourchannel DMA controller tailored for efficient high speed data transfer between peripheral devices and memories. It is either coupled tightly with a companion CPU (local mode) or working in stand alone.
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