GTU B.Tech 2020 Winter Question Papers || Gujarat Technological University
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Subject Name: Microcontrollers and Embedded Systems
Time: 10:30 AM TO 12:30 PM
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) Draw block diagram of a generalized embedded system. [03]
(b) Describe the challenges faced in Embedded system design. [04]
(c) Write a note on serial interface protocols (i) I2C (ii) SPI [07]
(b) Define checksum byte. Why is checksum operation performed & how? [04]
(c) Draw & explain RS-232 connections to Atmel 8051. [07]
Q.3 (a) Explain the bits of TCON SFR that are related to interrupts. [03]
(c) An external pulse train is connected to pin T0. WAP in C to display the count on ports P1 & P2. [07]
Q.4 (a) Enlist the types of interrupts in 8051 with priority & vector address. [03]
(b) WAP in C to convert BCD to decimal & display the value on ports P1, P2 & P3. [04]
Q.5 (a) Explain the instructions related to subroutines in PIC18F4xx. [03]
(b) Explain PORTA functions of PIC18F4xx. [04]
(c) Interface 7-segment display with PIC18F4xx. [07]
Q.6 (a) Differentiate between SFR, FSR & BSR. [03]
(b) Enlist & explain the addressing modes of PIC18F4xx with examples. [04]
(c) How can data be transferred from program memory to data memory in PIC18F4xx? Illustrate with an example. [07]
(b) State the machine control instructions. [04]
(c) Write an ALP to generate a square wave of 10kHz on RC0 port pin, given clock frequency of 40MHz. [07]
Q.8 (a) State the name & function of SFRs related to I/O ports in PIC18F4xx. [03]
(c) An array of 10 data is stored at addresses beginning from 0x100 in PIC18F4xx. Write an ALP to square those numbers & store them at addresses beginning from 0x120. [07]
GUJARAT TECHNOLOGICAL UNIVERSITY
Subject Code: 2172001 Date: 19/01/2021
Total Marks: 56
Subject Name: Microcontrollers and Embedded Systems
Time: 10:30 AM TO 12:30 PM
--- Content provided by FirstRanker.com ---
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
--- Content provided by FirstRanker.com ---
Q.1 (a) Draw block diagram of a generalized embedded system. [03]
(b) Describe the challenges faced in Embedded system design. [04]
(c) Write a note on serial interface protocols (i) I2C (ii) SPI [07]
--- Content provided by FirstRanker.com ---
Q.2 (a) How can one access code ROM space in 8051? [03](b) Define checksum byte. Why is checksum operation performed & how? [04]
(c) Draw & explain RS-232 connections to Atmel 8051. [07]
Q.3 (a) Explain the bits of TCON SFR that are related to interrupts. [03]
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(b) Draw a neat interfacing diagram of ADC0848 with Atmel 8051. [04](c) An external pulse train is connected to pin T0. WAP in C to display the count on ports P1 & P2. [07]
Q.4 (a) Enlist the types of interrupts in 8051 with priority & vector address. [03]
(b) WAP in C to convert BCD to decimal & display the value on ports P1, P2 & P3. [04]
--- Content provided by FirstRanker.com ---
(c) WAP in C to rotate stepper motor in an S-step sequence. [07]Q.5 (a) Explain the instructions related to subroutines in PIC18F4xx. [03]
(b) Explain PORTA functions of PIC18F4xx. [04]
(c) Interface 7-segment display with PIC18F4xx. [07]
--- Content provided by FirstRanker.com ---
Q.6 (a) Differentiate between SFR, FSR & BSR. [03]
(b) Enlist & explain the addressing modes of PIC18F4xx with examples. [04]
(c) How can data be transferred from program memory to data memory in PIC18F4xx? Illustrate with an example. [07]
--- Content provided by FirstRanker.com ---
Q.7 (a) Explain bit configuration of TOCON SFR of PIC18F4xx. [03](b) State the machine control instructions. [04]
(c) Write an ALP to generate a square wave of 10kHz on RC0 port pin, given clock frequency of 40MHz. [07]
Q.8 (a) State the name & function of SFRs related to I/O ports in PIC18F4xx. [03]
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(b) Explain the bit pattern of IPR1 & PIE1 SFRs of PIC18F4xx. [04](c) An array of 10 data is stored at addresses beginning from 0x100 in PIC18F4xx. Write an ALP to square those numbers & store them at addresses beginning from 0x120. [07]
GUJARAT TECHNOLOGICAL UNIVERSITY
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BE- SEMESTER-VII (NEW) EXAMINATION - WINTER 2020Subject Code: 2172001 Date: 19/01/2021
Total Marks: 56
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