Q.1
14 Marks(a)
Differentiate between microprocessor and microcontroller.
(b)
Explain ATmega32 pin configuration and functions of pins.
(c)
Draw and explain architecture of 8085 microprocessor.
Gujarat Technological UniversitySummer 2026 examination
GTU BE04000061 Microcontroller Summer 2026 Question Paper & PDF
B.E. · EC Engineering · Semester 4 · Subject code BE04000061
- Total
- 70 marks
- To pass
- 23 marks (33%)
- Duration
- 2.5 Hours 10:30 AM – 1:00 PM
- Questions
- 5 with internal choice
No solutions on this paper yetNeed them for your exam? Ask once. Papers that students ask for are solved first, and we aim to add them within 24 hours.
Noted. This paper is in our queue now. Check back tomorrow.
We could not record that here. Email the paper name to hirenjsca@gmail.com and we will add it.
Q.2
14 Marks(a)
Explain the role of microcontrollers in embedded systems.
(b)
Describe AVR register organization.
(c)
Explain DDR, PIN and PORT registers associated with GPIO with one example of each.
OR
(c)
Draw the Status Register (SREG) in AVR microcontrollers. Explain each flag of the SREG with help of example.
Q.3
14 Marks(a)
Explain following instructions with proper example:
1LDI 2. BREQ 3. ORI
(b)
Write an assembly language program to do multiplication of any two numbers using addition instructions.
(c)
Define stack memory in microcontroller. Explain stack operations in AVR microcontroller with example.
OR
(a)
Explain following instructions with proper example:
1STS 2 PUSH 3. EOR
(b)
Explain Pros and cons of C and assembly language programming.
(c)
Explain various addressing modes of AVR microcontroller with appropriate example.
Q.4
14 Marks(a)
What is UART communication?
(b)
Write a program to generate time delay loop using Timer2 AVR.
(c)
A Switch is connected to pin PD0 and LED to pin PD7.Write a program toggle the LED status when switch is pressed.
OR
(a)
Define interrupt. Explain the process of setting an interrupts in AVR
(b)
Write down the steps to program Timer 0 in normal mode
(c)
Write C program to check value at PORT C, if <100 send to PORTB else to PORTD
Q.5
14 Marks(a)
Give full Form RTC. Explain the need of RTC .
(b)
Explain I2C protocol and its advantages
(c)
Explain stepper motor interfacing with AVR microcontroller in full-step.
OR
(a)
Explain the use of ADC with one application example.
(b)
Explain SPI communication with suitable diagram.
(c)
Explain PWM programming in AVR microcontroller for controlling the speed of a DC motor
Other Semester 4 subjects
BE EC
Preparing with friends?
Send this paper to your class group. Every question has its own link.
About this paper
Official Gujarat Technological University (GTU) examination paper for Microcontroller (Summer 2026, B.E. · EC Engineering, Sem 4). 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.