INS8257 controller equivalent, programmable dma controller.
* Four
*Channel DMA Controller
* Priority DMA Request Logic
..-a.g::.:s.
CD
registers (one pair per channel). A status register is also Included, which provi.
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The INS8257 is a Direct Memory Access (DMA) con
* troller contained in a standard 40
*pin dual
*in
*line
The channel control registers consist of four 16
*bit DMA address registers and four 16
*bit terminal count
3 3
package.
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