Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 6th Sem New 2161102 Advanced Microprocessor Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VI(NEW) ? EXAMINATION ? SUMMER 2019
Subject Code:2161102 Date:16/05/2019
Subject Name:Advanced Microprocessor
Time:10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) What is the difference between RISC and CISC philosophy? Explain
features of RISC system.
03
(b) Explain embedded system design challenges. Explain embedded
system design parameters where improving one design parameter
worsening other design parameter with suitable example. How ARM
processor is useful in meeting this design challenge.
04
(c) Explain concept of pipeline used in ARM processor. Explain three stage
pipeline used in ARM7TDMI processor.
07
Q.2 (a) Why FIQ response is fast in ARM processor compared to IRQ? 03
(b) What are the exceptions in ARM processor? Explain process of
exception entry and exception return.
04
(c) Discuss ARM core extensions and architecture revisions. List at least
two applications for Cortex A, Cortex M and Cortex R processors.
07
OR
(c) Explain looping and branch instructions of ARM processor with
suitable examples.
07
Q.3 (a) Which features of RISC design philosophy are rejected in ARM
architecture?
03
(b) Explain difference between (1) Little Endian & Big Endian (2)
Harvard & Von-Neumann Architecture
04
(c) Explain following instructions of ARM7TDMI processor.
(1) LDMIA r0!,{r2-r6} (2) MVN R1,R3 (3) MOV R1,R2,LSL #3
(4) LDR R1,[R2] [5] RSC r0,r1,r2 [6] ADDEQ r0,r1,r2
[7] LDR R1,[R2],#8
07
OR
Q.3 (a) Explain barrel shifter instructions LSL, LSR and ASR with example. 03
(b) Write C program to turn ON all eight Electrical devices which are
controlled by Port pins P0.0 to P0.7 one by one at the interval of 1
second. Assume that there is relay driver used to control electrical
devices and logic 1 on the port pin turns on the electrical device.
04
(c) What is conditional execution? What are the mnemonics extension
codes used for conditional execution? Explain any two examples of
conditional execution.
07
Q.4 (a) What are the advantages and disadvantages of assembly language
programming compared to C programming?
03
(b) Write subroutines IOSET() to set port pins and IOCLR() to clear port
pins where port pin number can be specified in argument of these
subroutines. Write main program to set port pin P1.4 and clear port pin
P1.5 using these subroutines.
04
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Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VI(NEW) ? EXAMINATION ? SUMMER 2019
Subject Code:2161102 Date:16/05/2019
Subject Name:Advanced Microprocessor
Time:10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) What is the difference between RISC and CISC philosophy? Explain
features of RISC system.
03
(b) Explain embedded system design challenges. Explain embedded
system design parameters where improving one design parameter
worsening other design parameter with suitable example. How ARM
processor is useful in meeting this design challenge.
04
(c) Explain concept of pipeline used in ARM processor. Explain three stage
pipeline used in ARM7TDMI processor.
07
Q.2 (a) Why FIQ response is fast in ARM processor compared to IRQ? 03
(b) What are the exceptions in ARM processor? Explain process of
exception entry and exception return.
04
(c) Discuss ARM core extensions and architecture revisions. List at least
two applications for Cortex A, Cortex M and Cortex R processors.
07
OR
(c) Explain looping and branch instructions of ARM processor with
suitable examples.
07
Q.3 (a) Which features of RISC design philosophy are rejected in ARM
architecture?
03
(b) Explain difference between (1) Little Endian & Big Endian (2)
Harvard & Von-Neumann Architecture
04
(c) Explain following instructions of ARM7TDMI processor.
(1) LDMIA r0!,{r2-r6} (2) MVN R1,R3 (3) MOV R1,R2,LSL #3
(4) LDR R1,[R2] [5] RSC r0,r1,r2 [6] ADDEQ r0,r1,r2
[7] LDR R1,[R2],#8
07
OR
Q.3 (a) Explain barrel shifter instructions LSL, LSR and ASR with example. 03
(b) Write C program to turn ON all eight Electrical devices which are
controlled by Port pins P0.0 to P0.7 one by one at the interval of 1
second. Assume that there is relay driver used to control electrical
devices and logic 1 on the port pin turns on the electrical device.
04
(c) What is conditional execution? What are the mnemonics extension
codes used for conditional execution? Explain any two examples of
conditional execution.
07
Q.4 (a) What are the advantages and disadvantages of assembly language
programming compared to C programming?
03
(b) Write subroutines IOSET() to set port pins and IOCLR() to clear port
pins where port pin number can be specified in argument of these
subroutines. Write main program to set port pin P1.4 and clear port pin
P1.5 using these subroutines.
04
2
(c) Explain I2C and SPI protocols. Explain interfacing of any one device
with ARM microprocessor using SPI protocol.
07
OR
Q.4 (a) Discuss any three ARM optimization techniques 03
(b) Write ARM assembly language program for HEX number to ASCII
conversion. Assume HEX number is stored in register R1.
04
(c) Draw interfacing diagram to interface LCD with ARM Processor.
Connect LCD data lines with P1.16 to P1.23, RS with P0.0 and EN with
P0.1. Connect RW pin with ground. Write C program to display
message on the LCD ?GTU IS BEST? on first line and ?EXAM
REFORMS? on second line of LCD.
07
Q.5 (a) What is cache performance? On which factor it depends? 03
(b) Explain concept of translation look aside buffer 04
(c) Explain techniques used for memory optimization in embedded
systems.
07
OR
Q.5 (a) Write features of advanced microprocessor bus architecture (AMBA) 03
(b)
Explain interfacing of DAC with ARM processor. Write program to generate
ramp waveform.
04
(c) Explain concept of virtual memory for advance microprocessor based
system design.
07
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This post was last modified on 20 February 2020