Dma controllers - computer architecture, Computer Engineering

Assignment Help:

DMA controllers in computer system:

  •   DMA Controller
  •   Part of the I/O device interface
  •   DMA Channels
  •   Performs functions that in general would be performed by the processor
  •   Bus signals that control transfer
  •   Provides memory address
  •   Keeps track of number of transfers
  •   Under control of the processor

INTERFACE CIRCUITS

o   Provides a storage buffer for at least one word of data.

o   Circuitry required connecting an I/O device to a computer bus

o   Contains address-decoding circuitry

o   Contains status flag that can be accessed by the processor.

o   Generates the appropriate timing signals required by the bus control scheme.

o   Performs format conversions

o   Ports

o  Parallel port

o  Serial port

Keyboard to processor connection

8_DMA controllers.png

 


Related Discussions:- Dma controllers - computer architecture

Emails, Compare and contrast POP e-mail to Web-based e-mail systems in term...

Compare and contrast POP e-mail to Web-based e-mail systems in terms of control, security, and accessibility.

Sql injection, SQL Injection includes entering SQL code into web forms, eg....

SQL Injection includes entering SQL code into web forms, eg. login fields, or into the browser address field, to access and manipulate the database across the site, application or

Can you explain about internet protocol, Q. Can you explain about Internet ...

Q. Can you explain about Internet Protocol? Internet protocol specifies the rules which define the details of how computers communicate. It specifies exactly how a packet shoul

Baic electrical, Ask question #Minimumstate and explain thevenins theorem a...

Ask question #Minimumstate and explain thevenins theorem as applicable to electrical circuits 100 words accepted#

Define colspan and rowspan, Q. Define Colspan and Rowspan? Now let's se...

Q. Define Colspan and Rowspan? Now let's see how to work with COLSPAN (Column Span) and ROWSPAN (Row Span). If we want cell containing Ajay in Figure to be extended to the next

State about the multiple inheritance, State about the multiple inheritance ...

State about the multiple inheritance multiple inheritance is shown in Figure. In this, one class is inherited from more than one class.

Simple application to model a garden, Requirement Specification for a Simpl...

Requirement Specification for a Simple Application to Model a Garden The following is a requirements statement for a simple application to model the design of a garden. The requ

Techno hype - obstacle to information system, Techno hype - Obstacle to Inf...

Techno hype - Obstacle to Information System New technology has always been accompanied by a certain amount of euphoria that inevitably leads to unrealistic expectations place

Graph has a minimum spanning tree already computed, Assume that a graph has...

Assume that a graph has a minimum spanning tree already computed.  How fastly can the minimum spanning tree be updated if a new vertex and incident edges are added to G? If the

Explain user datagram protocol, Explain User Datagram Protocol. UDP(Use...

Explain User Datagram Protocol. UDP(User Datagram Protocol) : User Datagram Protocol uses a connectionless communication paradigm. It is an application using UDP does not re

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd