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

Program, move a byte string ,16 bytes long from the offset 0200H to 0300H i...

move a byte string ,16 bytes long from the offset 0200H to 0300H in the segment 7000H..

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

How is bob different from johnny in the outsiders

Copy a string backwards, I can get it to copy the string but can''t get it ...

I can get it to copy the string but can''t get it to reverse it.

Instructions, Difference between div and idiv

Difference between div and idiv

Port mapped or mapped input output, Port Mapped I/O or I/O Mapped I/O I...

Port Mapped I/O or I/O Mapped I/O I/O devices are mapped into a separate address space. This is generally accomplished by having a different set of signal lines to denote a mem

Rics/cisc architecture-microprocessor, RICS/CISC Architecture An essent...

RICS/CISC Architecture An essential aspect of computer architecture is the design of the instruction set for the processor.  The instruction set selected for a specific compute

And-logical instruction-microprocessor, AND: Logical AND: This instruction...

AND: Logical AND: This instruction bit by bit ANDs the source operand that might be an immediate, or a memory location or register to the destination operand that might be a memor

#title, how i can write a program to divide 2 numbers

how i can write a program to divide 2 numbers

16f877 7seg display, do you have experts that know 4 digit 7_Seg dispaly

do you have experts that know 4 digit 7_Seg dispaly

Inc-arithmetic instruction-microprocessor, INC: Increment : - This instruct...

INC: Increment : - This instruction increments the contents of the particular memory or register location by the value 1. All the condition code flags are affected except the carry

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