May 2024
Intermediate to advanced
534 pages
17h 58m
English
book
8051 Microcontroller, Internals, Instructions, Programming and Interfacing, 2nd Edition
by Subrata Ghoshal
Content preview from 8051 Microcontroller, Internals, Instructions, Programming and Interfacing, 2nd Edition
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5
1.4.1 | Princeton and Harvard Architectures
Princeton architecture, also known as Von (pronounced as ‘fon’ and not as ‘bhon’) Neumann architecture, does
not distinguish between program memory and data memory. e entire addressable memory area might have
any combinations of program instructions and data [Fig. 1.5(a)]. Harvard architecture, on the other hand,
treats program memory and data memory separately [Fig. 1.5(b)]. Intel MCS-51 is designed around this
Harvard architecture. ose readers, who are familiar with Intel 8085 microprocessor, may be reminded that
Intel 8085 was fabricated around Princeton architecture.
Parameters 8085 MCS-51 ...
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