Logo 
Search:

Assembly Language FAQ

Submit Interview FAQ
Home » Interview FAQ » Assembly LanguageRSS Feeds

Give the register organization of 8257?

  Shared By: Anna Schmidt    Date: Oct 05    Category: Assembly Language    Views: 2472

Answer:

The 8257 perform the DMA operation over four independent DMA channels. Each of the four channels of 8257 has a pair of two 16-bit registers. DMA address register and terminal count register. Also, there are two common registers for all the channels; namely, mode set registers and status register. Thus there are a total of ten registers. The CPU selects one of these ten registers using address lines A0- A3.

Share: 
 

Didn't find what you were looking for? Find more on Give the register organization of 8257? Or get search suggestion and latest updates.


Your Comment
  • Comment should be atleast 30 Characters.
  • Please put code inside [Code] your code [/Code].


Tagged: