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How many directives does the 8051 microcontroller have? How can it help the user in program writing? What is the importance of each directive? Where can I find sample programs? - Quora
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8051 Microcontroller Instruction Set Addressing Modes
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8051 Instruction Set
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AT 89S52 IC ATMEL 8051 Microcontroller 40 Pin DIP – Indian Hobby Center