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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... target address can be within a space of 127 bytes from the current PC . If the target address is backward , the target address can be within -128 bytes from the current PC . This is explained in detail next . Calculating the short jump ...
... target address cannot be more than -128 to +127 bytes away from the program counter . See J condition for further discussion on this . J condition target Function : Conditional jump In this type of jump , control is transferred to a target ...
... address is within 2K bytes of the current PC ( program counter ) . To reach the target address in the 64K bytes maximum ROM space of the 8051 , we must use LCALL . If calling a subroutine , the PC register ( which has the address of the ...
The 8051 Microcontrollers
THE 8051 MICROCONTROLLERS 223 Section 1 1 Microcontrollers and Embedded Processors
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