(a) The memory mapping arrangements of four memory devices in a microcontroller is given as Your Device RAM ROM I/O Ports $D000-SD3FF $D800-SDFFF SE000-SFFFF $5800-$58FF

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
Question
Question 1
The memory mapping arrangements of four memory devices in a microcontroller is
given as
(a)
Your Device
SD000-SD3FF
RAM
$D800-SDFFF
ROM
SE000-$FFFF
I/O Ports
$5800-S58FF
(i)
Determine the total memory space of each of the four devices.
(ii)
Design a fully-decoded positive-logic address decoder for all four devices.
(iii) Design a minimal cost, positive-logic address decoder for a component Your
Device in a small embedded microprocessor system
Transcribed Image Text:Question 1 The memory mapping arrangements of four memory devices in a microcontroller is given as (a) Your Device SD000-SD3FF RAM $D800-SDFFF ROM SE000-$FFFF I/O Ports $5800-S58FF (i) Determine the total memory space of each of the four devices. (ii) Design a fully-decoded positive-logic address decoder for all four devices. (iii) Design a minimal cost, positive-logic address decoder for a component Your Device in a small embedded microprocessor system
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