Master of Science I (Electronics Science) Examination:
Oct Nov 2016 Semester II (Old CGPA)
SLR No. Day
Date Time Subject Name Paper
No. Seat No.
SLR SJ
347
Tuesday
22/11/2016
10.30 AM
To
01.00 PM
Advanced
Microcontrollers
C
VII
Instructions: Q. no. 1 and Q. no 2 are compulsory
Attempt any three questions from Q. No.3 to Q. No. 7
Q.1 should be answered on the question paper itself
Figure to the right indicate full marks
Use of nonprogrammable calculator is allowed
Total Marks: 70
Q.1 Choose a correct alternative 08
The ST R16 is an example of addressing mode
Data direct addressing I/O direct addressing
Data indirect addressing None of these
can be used as a RESET source in AVR
Power-on reset External reset
Watchdog reset All of these
Which of the following statement is not true about AVR?
All the AVR pointers can be use
with LPM/SPM operation
AVR has four I/O ports
Most of AVR instructions can
execute in 1 CLK cycle
None of these
Which of the following statement is true about AVR
AVR has RISC architecture AVR supports fully static
operation
AVR has three data pointers All of these
AVR external interrupt cab be triggered by
Low level signal Falling edge signal
Rising edge signal All of these signal types
The address space in ARM is
224 264
216 232
In ARM, PC is implemented by using
Cashes Heaps
General purpose registers Stack
Which of the following provides fastest access
Tightly coupled memory Hard disk
On-board flash memory Register file
Page 1 of 2
State True of False 06
Some of the AVR status flags are cleared by writing a logical to them.
The AVR code memory has been recognized as 16 bit words.
The AVR stack pointer is decremented when the data is popped from the
stack.
When the external SRAM is interfaced to AVR, ALE signal is used to
demultiplex address/data bus.
ARM is not a superscalar processor.
ARM9 microprocessor have combination of RISC and CISC features.
Q.2 Explain SRAM data memory organization in AVR.
Explain AMBA in ARM.
Draw and explain status register format of AVR
05
05
04
Q.3 Explain the use of interrupts. List the interrupts sources of AVR
Explain the memory map and memory access instructions of AVR
microcontroller
08
09
Q.4 Explain port functionality of AVR. List alternate functions of AVR ports.
Write a short note on analog comparator of AVR
08
06
Q.5 Explain registers associated with ADC in AVR
What is a Prescaler? Explain timer/counter prescaler used in AVR
08
06
Q.6 What are the different exception and how they are processed in ARM
Explain the register structure of the ARM processor.
08
06
Q.7 Explain the need for fast interrupt service and a normal interrupt service with
their own stack operations in ARM.
Explain conditional code flags present in CPSR
08
06