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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First , as an 6 x 102 analogy , recall the weight of numbers in the base o x 103 10 system , as shown in the diagram . By the same 4 x 104 token , each digit position in a number in base 27 x 105 has a weight associated with it : 3 80 ...
Find the time delay for the DELAY : MOV R3 , # 150 delay subroutine shown to HERE : NOP the right , if the system freNOP quency is 11.0592 MHz . NOP DJNZ R3 , HERE RET DELAY : HERE : 33. Find the time delay for the delay subroutine ...
RS232 Connector DB - 25 Since not all the pins are used in PC cables , IBM introduced the DB - 9 version of the serial I / O standard , which uses 9 pins only , as shown in Table 10-2 . The DB - 9 pins are shown in Figure 10-5 .
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The 8051 Microcontrollers
8051 ASSEMBLY LANGUAGE PROGRAMMING
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