The 8051 Microcontroller and Embedded Systems, Volume 1
Prentice Hall, 2000 - Digital control systems - 435 pages
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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... LJMP ( long jump ) LJMP is an unconditional long jump . It is a 3 - byte instruction in which the first byte is the opcode , and the second and third bytes represent the 16 - bit address of the target location . The 2 - byte target ...
... LJMP stands for and it is a -byte instruction . 6. What is the advantage of using SJMP over LJMP ? 7. True or false . The target of a short jump is within -128 to +127 bytes of the current PC . 8. True or false . All 8051 jumps are ...
... LJMP 16 - bit addr also : SJMP 8 - bit addr Function : Transfers control unconditionally to a new address . In the 8051 there are two unconditional jumps : LJMP ( long jump ) and SJMP ( short jump ) . Each is described next . 1. LJMP ...
The 8051 Microcontrollers
THE 8051 MICROCONTROLLERS 223 Section 1 1 Microcontrollers and Embedded Processors
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