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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Table 10-4 : Timer 1 TH1 Register Values for Various Baud Rates Baud Rate TH1 ( Decimal ) 9600 -3 4800 -6 2400 -12 1200 -24 Note : XTAL = 11.0592 MHz . TH1 ( Hex ) FD FA F4 E8 Baud rate in the 8051 The 8051 transfers and receives data ...
ware and thereby double the baud rate . The following sequence of instructions ... Baud rates for SMOD = 0 When SMOD = 0 , the 8051 divides 1/12 of the crystal frequency by 32 and uses that frequency for timer 1 to set the baud rate .
Which of the following baud rates are supported by the BIOS of 486 / Pentium PCs ? ( a ) 4,800 ( b ) 3,600 ( c ) 9,600 ( d ) 1,800 ( e ) 1,200 ( f ) 19,200 30. Which timer of the 8051 is used for baud rate programming ? 31.
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The 8051 Microcontrollers
8051 ASSEMBLY LANGUAGE PROGRAMMING
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