Proj2
This document was uploaded by user and they confirmed that they have the permission to share it. If you are author or own the copyright of this book, please report to us by using this DMCA report form. Report DMCA
Overview
Download & View Proj2 as PDF for free.
More details
- Words: 44
- Pages: 3
DMA CONTROLLER PROGRAM
DESIGNING HIERARCHY
REGISTERS 8257 DMA controller has 1 D registers • 1) Four channel Memory Address Registers • 2) Four channel Terminal Count Registers (one for each channel) • 3) Mode Set Register (program only) • 4) Status Register (Read Only)
DESIGNING HIERARCHY
REGISTERS 8257 DMA controller has 1 D registers • 1) Four channel Memory Address Registers • 2) Four channel Terminal Count Registers (one for each channel) • 3) Mode Set Register (program only) • 4) Status Register (Read Only)
