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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The ASCII system uses a total of 7 bits to represent each code . For example , 100 0001 is assigned to the Figure 0-1 . Selected ASCII Codes uppercase letter “ A ” and 110 0001 is for the lowercase “ a ” . Often , a zero is placed in ...
MOV A , # 85H SWAP A ANL A , #OFOH SECTION 7.3 : BCD AND ASCII APPLICATION PROGRAMS BCD numbers were discussed in Chapter 6. As stated there , in many newer microcontrollers there is a real time clock ( RTC ) where the time and date are ...
ASCII numbers On ASCII keyboards , when the key “ O ” is activated , “ 011 0000 ” ( 30H ) is provided to the computer . Similarly , 31H ( 011 0001 ) is provided for the key “ 1 ” , and so on , as shown in Table 7-2 .
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The 8051 Microcontrollers
8051 ASSEMBLY LANGUAGE PROGRAMMING
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