Preface Chapter 1 Computers, Microprocessors and Microcontrollers ? An Introduction1.1 Introduction1.2 Common Terminologies Associated with Computing Systems1.3 Microprocessors and Microcontrollers1.4 CISC and RISC Systems1.5 Computing Languages1.6 Memory1.7 Computer Architecture: Harvard and von Neumann1.7.1 von Neumann Architecture: Princeton Architecture1.7.2 Harvard Architecture1.8 Evolution of Microcontrollers ? 4 bit to 32 bitChapter 2 Data Representation2.1 Introduction2.2 Number System2.3 Decimal Representation2.4 Complements2.5 Fixed-Point Representation2.6 Floating-Point Representation2.7 Other Binary CodesChapter 3 8051 Architecture3.1 Introduction3.2 Block Diagram of 80513.3 Pin Diagram of 80513.4 Clock and Machine Cycle for 80513.5 Registers of 80513.6 The 8051 Internal Memory3.7 Stack and Stack Pointer3.8 Timers and Counters3.9 I/O Ports3.10 Serial Input/Output3.12 Supply Voltage3.13 Status of SFR?s on Reset3.14 Machine Cycles3.15 Detailed Pin DescriptionChapter 4 Assembly Language Programming I: Addressing Modes and Data Transfer4.1 Introduction4.2 Assembly Language4.3 Flow Charts and Algorithm4.4 8051 Data Types and Directives4.5 Addressing Modes4.6 Data Transfer with Stack4.7 Data Exchange4.8 Complete Set of Data Transfer InstructionsChapter 5 Assembly Language Programming II: Arithmetic and Logic Operators