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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Example : MOV A , # 69H RL A ; A = 01101001 ; Now A = 11010010 ; Now A = 10100101 RL A RLC A Function : Flags : This rotates the bits of the accumulator left . The bits rotated out of register A are rotated into CY , and the CY bit is ...
... RI Add indirect RAM 1 12 to Accumulator ADD A , # data Add immediate 2 12 data to Accumulator ADDC A.RO Add register to 1 12 Accumulator with Carry ADDC A.direct Add direct byte to 2 12 Accumulator with Carry ADDC A ...
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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