The 8051

  These notes will not tell you absolutely everything about the 8051 microcontroller. However, we hope they will provide you with a good introduction to this very popular controller. They should help you to start writing simple assembly language programs that you can test on the EdSim51 Simulator.
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  The HEX Sequence
  The CPU
  A Basic Instruction Set
  The 8051 - complete instruction set
  Peripheral Interfacing
Copyright (c) 2005-2009 James Rogers