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INS8257

Programmable DMA Controller

INS8257 Features

* Four

* Channel DMA Controller

* Priority DMA Request Logic ..-a.g::.:s. CD registers (one pair per channel). A status register is also Included, which provides terminal count status

* Channel Inhibit Logic for each channel. The status register also contains a

INS8257 General Description

;; 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. The chip, which is fabricated using (TC) regist.

INS8257 Datasheet (943.71 KB)

Preview of INS8257 PDF

Datasheet Details

Part number:

INS8257

Manufacturer:

National Semiconductor

File Size:

943.71 KB

Description:

Programmable dma controller.

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INS8257 Programmable DMA Controller National Semiconductor

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