The 8051 Microcontroller and Embedded Systems, Volume 1
Prentice Hall, 2000 - Digital control systems - 435 pages
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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... data bus 13 The enable pin is used by the LCD to latch information presented to its data pins . 14 DB7 DB6 I / O I / O The 8 - bit data bus The 8 - bit data bus When data is supplied to data pins , a high 236 1: Interfacing an LCD to the ...
... data pins . ( a ) 14 address , 8 data ( b ) 16 address , 8 data ( c ) 12 address , 8 data 3. Find the organization and chip capacity for each RAM with the indicated num- ber of address and data pins . ( a ) 11 address , 1 data SRAM ( c ) ...
Muhammad Ali Mazidi, Janice Gillispie Mazidi. Writing commands and data to LCD without checking busy flag ; Assume PA of 8255 connected to DO - D7 of LCD and ; PB0 = RS , PB1 = R / W , PB2 = E for LCD's control pins connection MOV A ...
The 8051 Microcontrollers
THE 8051 MICROCONTROLLERS 223 Section 1 1 Microcontrollers and Embedded Processors
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