The 8051 Microcontroller and Embedded Systems, Volume 1For 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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Page 44
Ist SECTION 2.4 : THE PROGRAM COUNTER AND ROM SPACE IN THE 8051 In this section we examine the role of the program counter ( PC ) register in executing an 8051 program . We also discuss ROM memory space for various 8051 family members .
Ist SECTION 2.4 : THE PROGRAM COUNTER AND ROM SPACE IN THE 8051 In this section we examine the role of the program counter ( PC ) register in executing an 8051 program . We also discuss ROM memory space for various 8051 family members .
Page 100
... enable control TMOD Timer / counter mode control TCON * Timer / counter control T2CON * Timer / counter 2 control T2MOD Timer / counter mode control THO Timer / counter 0 high byte TLO Timer / counter 0 low byte THI Timer / counter ...
... enable control TMOD Timer / counter mode control TCON * Timer / counter control T2CON * Timer / counter 2 control T2MOD Timer / counter mode control THO Timer / counter 0 high byte TLO Timer / counter 0 low byte THI Timer / counter ...
Page 173
In mode 1 , the counter rolls over when the counter goes from 7. In mode 2 , the counter rolls over when the counter goes from to 8. In the instruction “ MOV TH1 , # -200 ” , find the hex value for the TH register . 9.
In mode 1 , the counter rolls over when the counter goes from 7. In mode 2 , the counter rolls over when the counter goes from to 8. In the instruction “ MOV TH1 , # -200 ” , find the hex value for the TH register . 9.
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Contents
CHAPTERS | 1 |
The 8051 Microcontrollers | 23 |
8051 ASSEMBLY LANGUAGE PROGRAMMING | 35 |
Copyright | |
18 other sections not shown
Other editions - View all
The 8051 Microcontroller and Embedded Systems: Using Assembly and C Mazidi Muhammad Ali No preview available - 2007 |
Common terms and phrases
ACALL accumulator activated addition addressing mode ASCII assembler assigned Assume BACK bank baud rate binary bit addresses byte called carry Chapter chip clear command communication connected contents convert counter cycle decimal delay devices direct discussed DJNZ DPTR enable Example execution external Figure Find flag frequency Function gates ground hardware indicate input instruction interfacing internal interrupt jump latch load logic loop machine memory microcontroller mode MOVX Note Notice on-chip operand operation output pointer port provides pulse RAM location receive referred result serial SETB Show shown signal SJMP Solution space stack steps stop subroutine Table timer transfer True or false Write a program XTAL
Bibliographic information
| Title | The 8051 Microcontroller and Embedded Systems, Volume 1 The 8051 Microcontroller and Embedded Systems, Muhammad Ali Mazidi |
| Authors | Muhammad Ali Mazidi, Janice Gillispie Mazidi |
| Edition | illustrated |
| Publisher | Prentice Hall, 2000 |
| Original from | the University of Michigan |
| Digitized | 5 Aug 2011 |
| ISBN | 0138610223, 9780138610227 |
| Length | 435 pages |
| Subjects | › House & Home / Equipment, Appliances & Supplies |
| Export Citation | BiBTeX EndNote RefMan |