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Define T-state, machine cycle and instruction cycle. Draw the timing diagram for the 8085 instruction IN AA h.
What are Tri-state devices and why are they essential in a bus oriented system?
Draw and Explain the functional block diagram 0f 8085. Microprocessor.
Discuss the internal RAM structure of 8051. Explain SFR space in detail.
Write a 8051 C program to generate a delay of 1 ms using timer0 in Mode1. Utilize this delay routine to blink LED connected at pin number 0 of Port P2 with a ON time of 1 sec and OFF time of 1 sec. Assume crystal frequency to be 11.0592 MHz.
Write advantage of embedded C programming over assembly language. Discuss the data types used in 8051 embedded C language.
List out the various interrupt in 8051 μc. How the default priority of an interrupt can be changed?
Write 8051 assembly language program to exchange a number stored at external memory location 2000h with number stored at external memory location 2001h.
Discuss the auto-reload Mode2 of timers in 8051. What are the advantages of this mode?
Explain any two bit wise instructions of 8051 with suitable example.
Define baud rate for serial communication in 8051 μc. Explain Mode0 and Mode1 for serial communication in 8051 μc.
Write the bit configuration of PCON register of 8051. Also explain function of each bit.
Compare the difference between the ARM and 8051 μc. Also state various applications of ARM microcontroller.
Draw and explain each bit of current program status register of ARM processor.
Discuss how stepper motor can be interfaced with 8051 using detailed block diagram.
Discuss the interfacing of ADC 0808 and 8051 with detailed schematic diagram.
Draw and explain an interfacing of 4 digit seven segment display with 8051.
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Official Gujarat Technological University (GTU) examination paper for Microprocessors and Microcontrollers (Summer 2025, B.E. · Electrical Engineering, Sem 6). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.
3160914 Microprocessors and Microcontrollers
Official GTU PDF · Summer 2025
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