May 2024
Intermediate to advanced
889 pages
30h 8m
English
book
The X 86 Microprocessors: Architecture, Programming and Interfacing (8086 to Pentium) 2nd Edition by Pearson
by Lyla B. Das
Content preview from The X 86 Microprocessors: Architecture, Programming and Interfacing (8086 to Pentium) 2nd Edition by Pearson
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PROGRAMMING THE PERIPHERALS OF 8051 20-7
port pins P2.6 and P2.7 are utilized (you can now attempt to find the address range of
both the RAM and ROM).
20.2 | Programming the Internal Peripherals
To use any of the internal peripherals of the chip, we should know the special function
registers associated with that peripheral and the functionality of those registers. Let us
take a tour of the concept of these special function registers or ‘SFR’s as they are referred to.
Figure 20.8 shows the SFR map of the chip. RAM addresses from 80H to FFH are
allotted for such registers. The RAM addresses and the names of the corresponding
Figure 20.8 | The ...
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