MICROPROCESSOR AND MICROCONTROLLER

INTRODUCTION TO MICROPEOCESSOR

MICROPROCESSOR BASICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A
Only External Memory can be used
B
Only Internal Memory can be used
C
Both external and the internal memory can be used
D
None of the above 1.0
Explanation: 

Detailed explanation-1: -For this scenario, the EA Pin must be connected to GND. In this case, the memory addresses of the external ROM will be from 0000H to FFFFH.

Detailed explanation-2: -External Data Memory Access to external memory is slower than access to internal data memory. There may be up to 64K Bytes of external data memory. Several 8051 devices provide on-chip XRAM space that is accessed with the same instructions as the traditional external data space.

There is 1 question to complete.