INS8257 - Programmable DMA Controller

Product Overview

National Semiconductor

Datasheet Details

Part number	INS8257
Manufacturer	National Semiconductor
File Size	943.71 KB
Description	Programmable DMA Controller
Datasheet	INS8257 Datasheet
Additional preview pages of the INS8257 datasheet.

Product details

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) registers.These registers provide the means for S» N channel silicon gate technology, performs direct con trolling DMA transfers on their respective C" control of high speed data transfers to

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.
Terminal Count and Modulo 128 Outputs register programming flag, which is a valuable aid in maintaining byte synchronization when pJogram.
Auto Load Mode ming channel control regis.

📁 Similar Datasheet

INS380SA - INERTIAL NAVIGATION SYSTEM (ACEINNA)

Other Datasheets by National Semiconductor

INS8250 - Asynchronous Receiver/Transmitter
INS8250-B - Asynchronous Receiver/Transmitter
INS8250A - UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER
INS8251 - Programmable Communication Interface
INS8253 - Programmable Interval Timer
INS8254 - N-Channel Bit Programmable Peripherallnterface

Published: Apr 12, 2024 |