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

Explore debugger, add the contents of the defined memory locations 120, 133...

add the contents of the defined memory locations 120, 133, 122 using mov instruction in dosbox

8086 program, program to arrange a given set of numbers in descending order...

program to arrange a given set of numbers in descending order

Operation system, Explain the basic method for implementing paging

Explain the basic method for implementing paging

Write an assembly program to find out largest number, Program : Write an...

Program : Write an assembly program to find out the largest number from a given unordered array of 8-bit numbers that stored in the locations starting from a known address. S

Computes the integral square root - assembly program, Computes the integral...

Computes the integral square root: Problem: Square Root: For this problem you will write a short assembly program that computes the integral square root of an input numb

Formulate the linear programming model , Print Media Advertising (PMA) has ...

Print Media Advertising (PMA) has been providing a contract to market Buzz Cola via newspaper ads in a main southern newspaper. Full-page ads in the weekday editions (Monday throug

Program to evaluate equation, Write a program to evaluate the following exp...

Write a program to evaluate the following expression. You are to evaluate the following equation: num1 - (input + num2) - (num3 + num4) Input will be a hex number input by

Data copy/transfer instructions-microprocessor, Data copy/transfer Instruct...

Data copy/transfer Instructions MOV: This data transfer instruction transfers data from one register or memory location to another register or memory location. The source can

First generation microprocessor, 1 st Generation Microprocessor : At ...

1 st Generation Microprocessor : At the end of the 70s a group of engineers developed a chip is able to processing data. This chip was called processor chip. Big processors w

Program for measures the wind direction-vane, You are to create an assembly...

You are to create an assembly program for the MSP430 that correctly measures the wind direction, to a precision of 45° (N, NW, W, SW, S, SE, E, NE), using the MSP430's ADC. Your

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages