(a) Using thế 8255 an assembly program such that Port-B of 8255 for transferring drgital data output of ADC to the CPU and Port-C for EOC & SOC pulse signal. Assume that an analog input is present at channel-4 of the ADC. Assume Port-C address to be 34H and describe the hardware schematic. an

(a) Using thế 8255 an assembly program such that Port-B of 8255 for transferring drgital data output of ADC to the CPU and Port-C for EOC & SOC pulse signal. Assume that an analog input is present at channel-4 of the ADC. Assume Port-C address to be 34H and describe the hardware schematic. an

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Computer Fundamentals

The computer is termed computation. For calculating or computing something the device that has been used is known as the computer. Or we can say that for performing a fast arithmetic operation the device that has been used is a computer. Storing, processing, and retrieving are the main features of a computer. 

Question

(a) Using the 8255 PPI, an 8-bit ADC interfaced to 8086 MPU, write
an assembly program such that Port-B of 8255 for transferring digital
data output of ADC to the CPU and Port-C for EOC & SOC pulse
signal. Assume that an analog input is present at channel-4 of the
ADC. Assume Port-C address to be 34H and describe the hardware
schematic.

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