The 8051 Microcontroller and Embedded Systems, Volume 1
Prentice Hall, 2000 - Digital control systems - 435 pages
For courses teaching the 8051 Microcontoller.
This book uses a step-by-step approach to teach the fundamentals of assembly language programming and interfacing of the 8051 microcontroller. It uses many examples to clarify concepts. Simple, concise examples are utilized to show what action each instruction performs, then a sample is provided to show its application. This text provides a comprehensive understanding of the internal organization of the 8051 registers and resources in a way that sheds the student's fear of assembly language. Whether students become designers of stand-alone systems or complex embedded systems, they will find this text a useful resource.
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In this chapter we discuss 8051 addressing modes in the context of some examples . The various addressing modes of a microprocessor are determined when it is designed and therefore cannot be changed by the programmer .
Advantage of register indirect addressing mode One of the advantages of register indirect addressing mode is that it makes accessing data dynamic rather than static as in the case of direct addressing mode . Example 5-3 shows two cases ...
Another register used in indexed addressing mode is the program counter . This is discussed in Appendix A. In many of the examples above , the MOV instruction was used for the sake of clarity , even though one can use any instruction as ...
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The 8051 Microcontrollers
8051 ASSEMBLY LANGUAGE PROGRAMMING
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The 8051 Microcontroller and Embedded Systems: Using Assembly and C
Mazidi Muhammad Ali
No preview available - 2007