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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In the early days of the computer , programmers coded programs in machine language . Although the hexadecimal system was used as a more efficient way to represent binary numbers , the process of working in machine code was still ...
In the 8051 , one machine cycle lasts 12 oscillator periods . Therefore , to calculate the machine cycle , we take 1/12 of the crystal frequency , then take its inverse , as shown in Example 3-13 . Example 3-13 The following shows ...
In order for the RESET input to be effective , it must have a minimum duration of 2 machine cycles . In Figure 4-3 ( a ) . Power - On RESET Circuit other words , the high pulse must be high for a minimum of 2 machine Vcc cycles before ...
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The 8051 Microcontrollers
8051 ASSEMBLY LANGUAGE PROGRAMMING
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