Question Paper: Embedded System Design Question Paper - May 17 - Electronics Engineering (Semester 7) - Mumbai University (MU)
Electronics Engineering (Semester 7)
Total marks: 80
Total time: 3 Hours
(1) Question No. 1 is compulsory
(2) Solve any three from remaining five questions
(3) Draw neat diagrams wherever necessary
1(a) Justify the need for brown-out detection circuit in embedded systems environment and the mechanism of implementing the same.
1(b) What is a watch-dog timer, its use and typical application for an embedded system.
1(c) Explain the structure of typical C source program for ARM based target processor. Typically list the various data types along-with memory size supported by a C compiler.
1(d) Compare the serial communication protocols RS - 232C and RS - 485 protocols.
2(a) Write a note on the interrupt structure of Cortex - M architecture.
2(b) Explain the utilisation bound in task scheduling in light of Rate Monotonic Scheduling algorithm.
3(a) What is a task and various states that a task can lie in for an embedded environment.
3(b) Explain briefly the register structure of Cortex - M3 architecture along-with the function of various special registers.
4(a) Compare the features of Cortex-A8 and Cortex-R4 architectures.
Explain the operation and significance of following Micro C/OS - II functions
- OSSemPend(); & OSSemPost();
- OSMboxPost(); & OSMboxPend();
5(a) Write a bried note on boundary scan architecture.
5(b) Explain the various inter-process task communication and synchronization tools like semaphores, mutex, mailbox and pipe used by an RTOS environment.
Write short notes on (Any two)
- a) Problem of priority inversion and mechanism to prevent the same.
- b) MSP-430 architecture and its low power capability.
- c) Design metrics for a typical embedded system.
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