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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Inverter a 0 The inverter , also called NOT , outputs the value opposite to that input to the gate . That is , a 1 Logical Inverter input will give a 0 output , while a 0 input will give a Input Output 1 output .
Draw a 3 - input OR gate using a 2 - input OR gate . 12. Show the truth table for a 3 - input OR gate . 13. Draw a 3 - input AND gate using a 2 - input AND gate . 14. Show the truth table for a 3 - input AND gate . 15.
Port 1 as input To make port 1 an input port , it must programmed as such by writing 1 to all its bits . The reason for this is discussed in Appendix C.2 . In the following code , port 1 is configured first as an input port by writing ...
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The 8051 Microcontrollers
8051 ASSEMBLY LANGUAGE PROGRAMMING
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