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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Checksum byte ROM To ensure the integrity of the ROM contents , every system must perform the checksum calculation . The process of checksum will detect any corruption of the contents of ROM . One of the causes of ROM corruption is ...
ORG ADD JNC 100H A , RO NEXT OVER LJMP ; target more than 128 bytes away NEXT : ORG 300H ADD A , R2 OVER : LCALL 16 ... Notice that LCALL is a 3 - byte instruction , in which one byte is the opcode , and the other two bytes are the 16 ...
Mnemonic Description Byte ARITHMETIC OPERATIONS ( Continued ) INC DPTR Increment Data 1 Pointer MUL AB Multiply A & B 1 DIV AB Divide A by B 1 DA А Decimal Adjust 1 Accumulator LOGICAL OPERATIONS ANL A.Rn AND Register 10 1 Accumulator ...
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The 8051 Microcontrollers
8051 ASSEMBLY LANGUAGE PROGRAMMING
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