Intel''s 8237 dma controller-microprocessor, Assembly Language

Assignment Help:

Intel's 8237 DMA controller :

1) The 8237 contain 4 independent I/O channels

2) It contains 27 registers, 7 of which are system-wide registers and 5 for each channel.

3) Out of 5 register: 4 are 16-bit and 1 is 6-bit. they are

  • DMA base address
  • DMA current address
  • DMA total
  • DMA remaining
  • 6-bit is the mode register

 


Related Discussions:- Intel''s 8237 dma controller-microprocessor

Operating System, Why is the capability to relocate processes desirable?

Why is the capability to relocate processes desirable?

Pin functions of 8086-microprocessor, Pin functions for the minimum mode o...

Pin functions for the minimum mode operation of 8086 are following: 1) M/I/O -Memory/IO: This is a status line logically equivalent to S2 in maximum mode. When it is low, it

Multiplication, how we can multiply two 8 bit number with rotation

how we can multiply two 8 bit number with rotation

Efficient assembly language program, (1) Write a program that will: (a) dis...

(1) Write a program that will: (a) display "Enter Your Name:" (b) convert the entered name to Capital letters (if small), If any other character is entered, the program wil

L.A, How is bob different from johnny in the outsiders

How is bob different from johnny in the outsiders

Implement an assembly language program, A good starting point for your prog...

A good starting point for your program is the toupper.asm program shown in class. It already queries the user for input and sets up a loop that looks at each character of the input

Icwi-microprocessor, The definitions of the bits in ICWI are following: ...

The definitions of the bits in ICWI are following: Always set to the value 1. It directs the received byte to ICWI as oppose to OCW2 or OCW3. Which also utilize the even addr

Define word (dw)- assemblers directive-microprocessor, DW : Define Word:- ...

DW : Define Word:- The DW directive serves the same purposes as the DB directive, but now it makes the assembler  which reserves thenumber ofmemory words (16-bit) instead of by

Code, How to print strings in Right Triangle form?

How to print strings in Right Triangle form?

Program, wap proram for bthe addition of two 3*3 matrix

wap proram for bthe addition of two 3*3 matrix

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