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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Assume that XTAL = 16 MHz . find the TH1 , TL1 value to generate a time delay of 5 ms . Timer 1 is programmed in mode 1 . 22. Assuming that XTAL = 11.0592 MHz , program timer 0 to generate a time delay of 2.5 ms . 23.
ROW 0 : MOV DPTR , #KCODEO SJMP FIND ROW 1 : MOV DPTR , # KCODE1 SJMP FIND ROW 2 : MOV DPTR , # KCODE2 SJMP FIND ROW 3 : MOV DPTR , # KCODE3 FIND : RRC A JNC MATCH INC DPTR SJMP FIND MATCH : CLR A MOVC A ...
Find the control word for PA = output with handshaking , PB = handshaking . Unused bits of PC = don't care . SUMMARY output with This chapter described how to expand the I / O ports of the 8031/51 by con- necting it to an 8255 chip .
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The 8051 Microcontrollers
THE 8051 MICROCONTROLLERS 223 Section 1 1 Microcontrollers and Embedded Processors
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Other editions - View all
The 8051 Microcontroller and Embedded Systems: Using Assembly and C
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