Introductory notes to microprocessors and microcontrollers.

1. EI 502Microprocessors & MicrocontrollersPart 1(Basics) Debasis Das 1 Mallabhum Institute of Technology Debasis Das Aug 2011

2. Syllabus-1 Introduction to 8085A architecture Register organization Addressing modes and their features Software instruction set and assembly language programming Pin descriptions and their functions 2 Mallabhum Institute of Technology Debasis Das Aug 2011

3. Syllabus-2 Instruction cycle, machine cycle, timing diagrams Hardware interfacing Interfacing memory I/O mapped I/O Memory mapped I/O Interrupt DMA 3 Mallabhum Institute of Technology Debasis Das Aug 2011

4. Syllabus-3 Peripherals 8279, 8255, 8251, 8253, 8237, 8259 A/D and D/A converters and interfacing Typical applications 16 bit microprocessors 8086 and architecture Segmented memory, bus cycles, read/write in min/max modes Reset, wait state, halt state, hold state, lock operation, interrupt processing, addressing modes and their features 4 Mallabhum Institute of Technology Debasis Das Aug 2011

5. Syllabus-4 Software instruction set ( including specific instructions like string operations, repeat, segment overrides, lock prefix and their uses), assembly language programming with the same Brief overview of some other microprocessors (e. g Motorola 6800) 5 Mallabhum Institute of Technology Debasis Das Aug 2011

6. Recommended Books Microprocessor Architecture, programming and applications with 8085/8085A, Wiley Western, 1989, Ramesh S Gaonkar Advanced Microprocessors, TMH, Ray and Bhurchandi Microprocessor Design and Applications, Nem Chand & Bros, 1987, Debasis Das Microprocessors and Interfacing, McGraw Hill, 1992, Douglas V Hall The Intel Microprocessors: 8086/8088, 80186, 80286, 80386 & 80486, Prentice Hall India, 1976, Barry B Brey 6 Mallabhum Institute of Technology Debasis Das Aug 2011

7. What’s a Microprocessor? Micro sized processor Processor on a micro circuit Aug 2011 Mallabhum Institute of Technology Debasis Das 7

8. Major Blocks inside a Microprocessor Aug 2011 Mallabhum Institute of Technology Debasis Das 8 Set of registers Arithmetic An Logic Unit Timing and control unit

9. Microprocessor BasedSystems Aug 2011 Mallabhum Institute of Technology Debasis Das 9 Processor Memory Input device Output device System Bus

10. Bus Structure Aug 2011 Mallabhum Institute of Technology Debasis Das 10 Group of signals that presents an address on the bus, No of Lines in the group will depend on number of addressable units. Address Bus Group of lines that facilitate transfer of data between two units Data Bus Control Bus Group of lines, signals on which helps complete the data transaction

11. 8085 Block Diagram Aug 2011 Mallabhum Institute of Technology Debasis Das 11