The 8051 Microcontroller: Hardware, Software, and Interfacing (2nd Edition)
Using a clear writing style and a "nuts and bolts" approach, this book describes the entire field of embedded controllers -- hardware, software, and interfacing -- using the Intel 8051 microcontroller as an example. The emphasis throughout is on interfacing the 8051 to real-world devices such as switches, displays, motors, A/D converters, etc. -- through both assembly language and C language programming. Provides abundant programming examples both in assembly language and in C throughout. Covers: Architecture of a Microcomputer; The 8051 Single-Chip Microcontroller; Interfacing: Hardware and Software; State Machines and Interrupt Timing; System Design Techniques; Project Design; Introduction to Assembly Languages; Mcs ® -- 51 Programmers Guide and Instruction Set; and ASCII and EBCDIC Tables. Provides extensive discussion of device characteristics as well as many typical interfaces, such as RS-232 and IEEE-488. A reference for anyone whose work requires familiarity with microcontrollers.
Why Read This Book
You will get a hands‑on, no‑nonsense introduction to the complete embedded controller workflow using the classic Intel 8051 as a concrete example — from internal architecture to real‑world interfacing. Stewart balances assembly and C programming with abundant practical examples and project‑oriented interfacing techniques, so you can move quickly from theory to working hardware.
Who Will Benefit
Embedded engineers, students, hobbyists, or firmware developers who want a practical, project‑focused guide to 8051 architecture, assembly/C programming, and real‑world hardware interfacing.
Level: Beginner — Prerequisites: Basic digital logic and electronics, familiarity with basic programming concepts (variables, loops, functions); no prior 8051 experience required.
Key Takeaways
- Explain the internal architecture and bus structure of the Intel 8051/MCS‑51 family
- Write and debug I/O, timer, and interrupt routines in both 8051 assembly and C
- Interface the 8051 to switches, LEDs, displays, motors, ADCs, and other common peripherals
- Design and implement simple real‑time state machines and interrupt‑driven control
- Apply system design techniques to plan, prototype, and document small embedded projects
Topics Covered
- Introduction to Microcomputer Systems and Embedded Controllers
- The 8051 Single‑Chip Microcontroller: Architecture and Bus Organization
- Memory, SFRs, and I/O Ports of the 8051
- Instruction Set and Assembly Language Programming for the 8051
- C Programming for the 8051: Translating Algorithms to Firmware
- Timers, Counters, and Serial Communication
- Interrupts, Real‑Time Response, and State Machines
- Interfacing Hardware: Switches, Displays, Keyboards, and Sensors
- Analog Interfacing: A/D Converters and Signal Conditioning
- Motor Control, Relays, and Power Considerations
- System Design Techniques, Timing, and Noise Issues
- Project Design Examples and Case Studies
- MCS‑51 Programmer's Guide and Instruction Reference
- Development Tools, Debugging, and Programming EPROM/Flash
- Appendices: Data Sheets, Reference Tables, and Sample Code
Languages, Platforms & Tools
How It Compares
More hands‑on and interfacing‑focused than Mazidi's widely used 8051 texts — Stewart emphasizes practical hardware interfacing and project design over exhaustive instruction‑set reference or modern toolchains.
