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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They can be used either as timers to generate a time delay or as counters to count events happening outside the microcontroller . ... SECTION 9.1 : PROGRAMMING 8051 TIMERS The 8051 has two timers : timer 0 and timer 1.
TMOD ( timer mode ) register Both timers 0 and 1 use the same register , called TMOD , to set the various timer operation modes . TMOD is an 8 - bit register in which the lower 4 bits are set aside for timer 0 and the upper 4 bits are ...
MCS® - 51 PROGRAMMER'S GUIDE AND INSTRUCTION SET T2CON : TIMER / COUNTER 2 CONTROL REGISTER . BIT ADDRESSABLE 8052 Only TF2 EXF2 RCLK TCLK EXEN2 TR2 C / T2 CP / RL2 As a Timer : Table 7 TACON MODE INTERNAL CONTROL ( NOTE 1 ) EXTERNAL ...
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The 8051 Microcontrollers
8051 ASSEMBLY LANGUAGE PROGRAMMING
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