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Microprocessor & Microcontroller (3141008) Syllabus GTU
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Microprocessor & Microcontroller (3141008) Laboratory manual
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Question with answer :- Download
CO1
1,What does the term Embedded System mean ? Give example for the same.
2 Explain the difference between microprocessor & Microcontroller with figure.
3 Explain the Harward & Von Nuemann Architecture with neat sketch.
4 Write the difference between RISC & CISC Architecture. Explain the advantages of RISC.
5 An embedded system is also called dedicated system. Why ?
6 Explain criteria to select a Microcontroller.
7 What is AVR? Draw a simplified view of AVR microcontroller. Also mention it's features.
8 Write a detail note on AVR family with it's various groups.
9 What do you mean by GPR? How many GPR's available in AVR. Why Accumulator register is not available in AVR µc?
10 Draw & Explain the internal Data memory(RAM) organization of AVR. What do you mean by extended Data memory?
11 Draw & Explain AVR Status register.
12 What is PC? How to decide the size of PC? Write a short note on AVR Program ROM with it's Size for various family members.
13 Draw & Explain the Harvard Architecture of an AVR.
14 Explain the difference between Little & Big endian memory organizations.
15 With diagram explain internal architecture & Pin Diagram of AVR ATmega32 microcontroller
16 Explain the role of DDR register in AVR.
17 Write a note on AVR Data formats & Assembler Directives.
18 Enlist features of 8085 microprocessor. Give Family structure of Intel Family (4004 8008 ……..--> I3 I5 I7)
19 Sketch and Explain pin-diagram of 8085. Sketch and Explain flag register of 8085.
20 Sketch and Explain (A) Demultiplexing of address and data bus (B) Control signal generation using OR gate and decoder IC
21 Sketch diagram for 32KB EEPROM and 16 KB RAM memory interfacing with 8085. Write starting and end address for same.
22 Sketch diagram for Interface 8KB RAM and 8KB Flash Memory with starting address 2000H and C000H respectively
23 Differentiate memory mapped IO and IO mapped IO
24 Differentiate Absolute decoding and Partial Decoding
25 8 switches are interfaced at port 80H and 8 LEDs are connected at port 77H. sketch interfacing diagram.
Assignment-2-Microprocessor & Microcontroller (3141008)
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CO2
1 512 Kbit Memory chip has 8 pins for data. Find out number of address lines in this chip.
2 List differences between 8085 Microprocessor or AVR Microcontroller.
3 What is the meaning of address space partitioning? Draw interfacing diagram to interface 16KB RAM and 16KB PROM with starting address 0000H and 8000H respectively
4 Explain the functions of following pins of 8085. 1. Ready 2.Trap 3.SOD 4. ALE 5. TRAP 6. SID
5 Explain the functions of following pins of AVR Microcontroller: 1. INT2 2. TXD 3. AVCC 4. ICP. 5. OC2
6 A Given AVR has $3FFF as the address of the last location of its on-chip ROM. What is the size of on-chip ROM for this AVR?
Assignment-3-Microprocessor & Microcontroller (3141008)
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CO3
1 Explain following instruction with suitable example : 1. CBI 2. ROL 3. PUSH 4. ASR 5. SWAP 6. CPI 7. NEG 8. SBIS 9. IJMP 10. RET CO3
2 Write a program Assembly to copy a block of 5 bytes of data from data memory location starting at $130 to RAM location starting at $60.
3 Write an ALP for addition of two 16 bit data for AVR microcontroller
4 Assume that bit PB4 is an input and represents the condition of a door alarm. If it goes LOW, it means that the door is open. Monitor the bit continuously. Whenever it goes LOW, send a High-to-Low pulse to port PC5 to turn ON a buzzer. Draw the flow chart and write an ALP for it.
5 Write an AVR program to toggle all the pins of Port B continuously. (a) Use the inverting operator. (b) Use the Ex-OR
6 Write an AVR ALP to perform 253/10, store remainder in R20 register and quotient in R21 register.
7 Write an AVR ALP for multiplication of two 8 bit data without using Multiplication instruction.
8 Explain Look-up table concept in AVR with example.
9 Explain relative call (RCALL) and indirect call (ICALL) instructions with example. What is the role of stack for CALL instruction?
10 What will be status of C, H, V and Z flags after the addition of 0x38 and 0x2F using following instructions?
LDI R16,0x38
LDI R17,0x2F
ADD R16, R17
11 What is Assembler Directive? Explain any four assembler directives with example
12 Explain assembly language instruction used for comparison purpose. Write assembly language program using comparison instruction to Read 8 bit value from Port A, Compare it with reference value 080, If reading is greater than 0x80, set port pin PD0 and if reading is less than or equal to 0x80, reset port pin PD0.
13 LEDs are connected with PORTB of AVR Microcontroller such that Anode of LEDs tied together and connected to +5 V, Cathode of LEDs are connected to eight pins of Port B. Write instructions to (1) glow all LEDs (2) Turn off all LEDs (3) Glow alternate LEDs
14 Write a program to find number of 1s in given byte.
15 Write an AVR ALP to toggle PA0 pin 100 times using conditional branch instruction. .
16 What is the role of stack and stack pointer while executing CALL and RET instruction? Explain it with the help of example.
17 A switch is connected to pin PB2 and LED to pin PB6.Write an assembly language program to get status of switch and send it to LED
18 What is the difference between JMP, RJMP & IJMP instructions?
19 Discuss temperature sensor interfacing with ATmega32 and write an ALP to display temperature on port B.
20 Write a program to generate square wave with 80% duty cycle on bit PC7.
21 Explain addressing modes of ATMega32 with the example.
22 Write the difference between MACRO & Subroutine.
Assignment-4- Microprocessor & Microcontroller (3141008)
question with answer :- Download
CO4
1 Assuming that XTAL=8MHz, Write a program to generate a square wave with a period of 12.5 μsec on pin PORTB.3 using Timer. Explain your algorithm with neat flow chart and proper comments.
2 Write an AVR ‘C’ program to toggle all bits of port B continuously with a some delay. Use Timer0, normal mode and no prescaler option to generate time delay.
3 Write an AVR ‘C’ program using Timer0 and Timer1 interrupt, generate square wave on PB1 and PB7 respectively while transferring data from port C to port D.
4 Write an AVR ‘C’ program to get a byte of data from port ‘C’ if it is less than 100 , send it to port B otherwise send it to port D.
5 Explain the connection of ATmega32 with RS232. Write an AVR ‘C’ program to receive character from the serial port if it is ‘a’ to ‘z’ change
6 Explain ATmega32 ADC feature and write an AVR ‘C’ program using interrupt and polling method to convert analog input into digital form. Assume port A as input port and port B and port D as an output port
7 Write an AVR C program to convert (1) packed BCD 0x29 to ASCII and display the bytes on PORT B and PORT C (2) ASCII digits of ‘4’ and ‘7’ to packed BCD and display them on PORT B.
8 Write an AVR C program to generate square wave of 60% duty cycle on Port B.1 bit using Timer0. Analyze the program.
9 Explain Bitwise AND and Bitwise OR operators with example.
10 Write an AVR C Program to read the content of location 0x013D of EEPROM memory into PORTC
Assignment-5-Microprocessor & Microcontroller (3141008)
question with answer :- Download
CO5
1 Explain with diagram, stepper motor interfacing with AVR.
2 With neat diagram and appropriate programming example discuss the interfacing of LCD with AVR microcontroller.
3 Draw and explain DC motor connection using Darlington transistor.
4 Explain the different types of stepper motor and its interfacing diagram with AVR microcontroller 5 Draw the interfacing diagram of keyboard with AVR microcontroller and explain its working
6 Discuss I2C bus protocol with appropriate diagram.
7 Discuss SPI bus protocol with reference to AVR microcontroller.
8 Draw matrix keyboard connection to AVR and also draw flow chart for identifying the key pressed.
9 Draw the diagram of ATMega32 connection to RS232 and explain how communication is established using Programmable I/O registers?
10 Explain RTC interfacing with AVR
11 List down the Characteristics of ADC peripheral. For 8 bit ADC, Vref = 2.56 V Calculate D0-D7 output if analog input is 2.1 V
12 What is interrupt? Explain steps for executing interrupts. List any eight interrupts available in AVR Microcontroller.
13 Common anode seven segment display is connected to port D. Write assembly language or C language instructions to display number 6 on seven segment display.
14 Draw a circuit diagram for controlling a lamp (working on 12V) using Opto isolator and ATMega32.
15 Discuss the clock stretching and Arbitration feature supported by I2C protocol
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