Embedded Systems — Summer 2023

Write down the skills required for an Embedded System Designer.

Describe an embedded processor as (i) GPP (ii) ASIP (iii) Single purpose processor.

Differentiate between serial and parallel communication. Explain USART protocol in brief.

Describe the features associated with Bluetooth and Zigbee protocols used in wireless and mobile systems.

List the features associated with AHB and ASB Buses.

Explain I2C and CAN bus protocol in brief.

What is Device driver? Explain role of Interrupt in Device driver programming.

Explain different types of interrupt sources.

What is Semaphore? Explain where Semaphore can be utilized?

Give advantages, disadvantages and uses of mailbox, pipe and socket functions in interprocess communication.

Explain the differences between Preemptive & Non-Preemptive scheduling policies.

Define Interrupt Latency and Interrupt Service Deadline. Describe the parameters that govern their values

Explain device, file and I/Omanagement in RTOS.

What is RTOS ? Describe types of RTOS with two examples.

Define and explain different Benchmarking parameters for an RTOS.

Explain process context switching and thread context switching in detail. Justify “threads are lightweight processes”.

Define: Process Control Block. Which data is stored in PCB?

Describe the differences between Hard Real Time and Soft Real Time System with an example of each one.

Compare process, task and thread with an appropriate example. Explain multithreading mechanism in context of the display process of desktop systems.

Explain the function of Watchdog timer in MSP430 processor.

Describe the four sources of clock in MSP430 processor

Explain interrupt handling process in MSP430.

Describe POR, PUC and BOR for MSP430.

MSP430 is having an orthogonal CPU architecture supported with RISC features. – Justify the statement.

Explain the use of timer for generating Pulse Width Modulated waveform using MSP430.1