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. |
From inside the book
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Page 330
... Example : Example : ANL A , # 25H ANL A , R3 3. Direct : ANL A , direct Example : ANL A , 30H ; AND A with data in RAM location 30H 4. Register - indirect : Example : ANL A , @RO ; AND A with data pointed to by RO In the next two ...
... Example : Example : ANL A , # 25H ANL A , R3 3. Direct : ANL A , direct Example : ANL A , 30H ; AND A with data in RAM location 30H 4. Register - indirect : Example : ANL A , @RO ; AND A with data pointed to by RO In the next two ...
Page 335
... example . Example : MOV ADD A , # 94H ; A = 1001 0100 A , # 91H DA A ; A = 0010 0101 INCORRECT ; A = 1000 0101 , VALID BCD ; FOR 85 , CY = 1 It is possible that 6 is added to both the high and low nibbles . See the fol- lowing ...
... example . Example : MOV ADD A , # 94H ; A = 1001 0100 A , # 91H DA A ; A = 0010 0101 INCORRECT ; A = 1000 0101 , VALID BCD ; FOR 85 , CY = 1 It is possible that 6 is added to both the high and low nibbles . See the fol- lowing ...
Page 348
... Example : MOV A , # 32H ; A = 32H MOV R4 , # 50H ; R4 = 50H ORL A , R4 ; ( A = 72H ) 32H 0011 0010 50H 0101 0000 72H ... Example : Example : ORL A , # 25H ORL A , R3 ORL A , direct Example : ORL A , 30H ; OR A with data located in ...
... Example : MOV A , # 32H ; A = 32H MOV R4 , # 50H ; R4 = 50H ORL A , R4 ; ( A = 72H ) 32H 0011 0010 50H 0101 0000 72H ... Example : Example : ORL A , # 25H ORL A , R3 ORL A , direct Example : ORL A , 30H ; OR A with data located in ...
Contents
CHAPTERS | 1 |
The 8051 Microcontrollers | 23 |
THE 8051 MICROCONTROLLERS 2323 Section 1 1 Microcontrollers and Embedded Processors | 24 |
Copyright | |
19 other sections not shown
Other editions - View all
The 8051 Microcontroller And Embedded Systems Using Assembly And C, 2/E Muhammad Ali Mazidi,Mazidi 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 transistors True or false voltage Write a program