The 8051 Microcontroller and Embedded Systems, Volume 1
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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SECTION 0.1 : NUMBERING AND CODING SYSTEMS Whereas human beings use base 10 ( decimal ) arithmetic , computers use the base 2 ( binary ) system . In this section we explain how to convert from the decimal system to the binary system ...
1 4 Hexadecimal system Table 0-1 : Base 16 Number Systems Base 16 , the hexadecimal system as it is called in computer literature , is used as a convenient representation Decimal Binary of binary numbers .
larger than 8 bits ( 00 to FFH , or 0 to 255 in decimal ) to be processed by the CPU . For examples of how to process data larger than 8 bits , see Chapter 6. The data types used by the 8051 can be positive or negative .
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The 8051 Microcontrollers
8051 ASSEMBLY LANGUAGE PROGRAMMING
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