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 208
An interrupt is an external or internal event that interrupts the microcon- troller to inform it that a device needs its service . In this chapter we explore the concept of the interrupt and interrupt programming .
An interrupt is an external or internal event that interrupts the microcon- troller to inform it that a device needs its service . In this chapter we explore the concept of the interrupt and interrupt programming .
Page 230
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 ...
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 ...
Page 232
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 ...
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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Contents
CHAPTERS | 1 |
The 8051 Microcontrollers | 23 |
THE 8051 MICROCONTROLLERS 223 Section 1 1 Microcontrollers and Embedded Processors | 24 |
Copyright | |
19 other sections not shown
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The 8051 Microcontroller and Embedded Systems: Using Assembly and C Mazidi Muhammad Ali No preview available - 2007 |
Common terms and phrases
ACALL ACALL DELAY addr addressing mode ASCII Assembly language baud rate binary bit addresses carry flag Chapter CJNE connected convert data pins decimal decoder discussed DJNZ DPTR EPROM Example execution external interrupt Figure flag bit frequency I/O ports instruction INT1 Intel interfacing interrupt vector table jump latch LCALL LJMP load logic loop machine cycle memory chip memory location microcontroller microprocessor MOV P1 MOV RO MOVX Notice NV-RAM on-chip ROM opcode operand output pointer program counter PSEN pull-up resistors pulse RAM location register bank reset Review Questions SBUF SECTION serial communication SETB TR1 Show signal SJMP Solution square wave stack stepper motor stop bit SUBB subroutine target address TCON timer Timer/counter TMOD transfer transistors True or false voltage Write a program
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 |
| Export Citation | BiBTeX EndNote RefMan |