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

PIC MCU, CAN U GIVE BRIEF THEORY

CAN U GIVE BRIEF THEORY

Introduction to microprocessor, Introduction to Microprocessor: Micropr...

Introduction to Microprocessor: Microprocessor works like a CPU in a microcomputer. It's present as a single IC chip in a microcomputer. Microprocessor is the soul of the machi

Convert into hex pairs, Convert 751 to hex and show what it would look like...

Convert 751 to hex and show what it would look like stored at TheNumber WORD ? (hint: answer in hex pairs)

Program to perform one byte bcd addition-assembly program, Program : Write...

Program : Write a program to perform a one byte BCD addition. Solution : It is consider that the operands are in BCD form, but the CPU considers it as hexadecimal and acco

Odd and even numbers, hi, i''m new to assembly language and my teacher told...

hi, i''m new to assembly language and my teacher told us to look for an example of the odd and even numbers program using debug.exe in ms dos as a guide since we just started. plea

Assembly Language Program, which uses BIOS interrupt INT 21 to read current...

which uses BIOS interrupt INT 21 to read current system time and displays it on the top-left corner of screen.

PIC, LIST p=18f4550 #include org 0x0000 movlw 0x00 _________ movlw 0xFF ...

LIST p=18f4550 #include org 0x0000 movlw 0x00 _________ movlw 0xFF movwf PORTB end .

Evolution of microprocessor , EVOLUTION OF MICROPROCESSOR : ...

EVOLUTION OF MICROPROCESSOR : The digital circuits and systems may be broken into two part: 1) Sequential Circuit and 2) Combinational Circuits     Norm

Write an 8086 assembly program, Project Description: Write an 80x86 asse...

Project Description: Write an 80x86 assembly program that performs the following functions: Reads a set of integers from a file into an array. The data file name is to be

Format of control register-microprocessor, Format of Control Register T...

Format of Control Register The format for the control register is given in Figure. Bit 0 of this register might be one before data may be output  and  bit  two  might be  one

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