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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An interrupt is an external or internal event that interrupts the microcontroller to inform it that a device needs its service . In this chapter we explore the concept of the interrupt and interrupt programming .
Triggering the interrupt by software There are times when we need to test an ISR by way of simulation . This can be done with simple instructions to set the interrupts high and thereby cause the 8051 to jump to the interrupt vector ...
SECTION 11.3 : PROGRAMMING EXTERNAL HARDWARE INTERRUPTS 33. True or false . A single interrupt is assigned to each of the external hardware interrupts EXO and EX1 . 34. What address in the interrupt vector table is assigned to INTO and ...
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The 8051 Microcontrollers
8051 ASSEMBLY LANGUAGE PROGRAMMING
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