MICROPROCESSOR FUNDAMENTALS AND PROGRAMMING

Architecture of 8085, Memory interfacing, Addressing modes, Instruction set. Assembly language programming, Timing diagrams, Stack operations, Interrupt structure, Concept of lookup table. Parallel data transfer scheme (Synchronous, asynchronous, interrupt driven, polling type). Concepts in serial communication, standards RS232, PCI 8251-Asynchronous mode. Study, interfacing and programming of a) PPI 8255 - mode 0, 1, BSR mode b) PIT 8254 - mode 0, 1, 2. Study of ADC 0809, DAC 0808 Applications of 8085 1. Measurement of voltage 2. Measurement of current 3. Measurement of power factor 4. Measurement of frequency 5. Measurement of energy. Applications of 8085 1. Control of stepper motor 2. Control of DC motor 3. Temperature measurement 4. Speed measurement 5. Flow measurement 6. 7-segment display.