Embedded Systems — Winter 2023

Define Embedded system. Describe skills and hardware/software needed to design sophisticated embedded system.

Describe use of SOC and FPGA for designing Embedded System.

Describe I2C protocol. Give merits and demerits of I2C over SPI communication.

Enlist example of asynchronous and synchronous communication protocol used in embedded system.

What is watch-dog timer ? Explain with example.

Describe Bluetooth piconet and scatternet connections. Differentiate Bluetooth and WiFi protocol.

(C) Describe AMBA AHB and APB protocol.

Define : (1) Interrupt (2) Interrupt Latency (3) Interrupt Deadline

Describe PV Semaphore.

Define Device Driver. Describe function of device driver.

Describe polled IO and interrupt based IO.

Differentiate: Binary semaphore and Mutex

Sketch and describe direct memory access (DMA) for data transfer between memory and IO device.

Differentiate hard-real time and soft-real time system.

What is Process Control Block? What are the fields included in PCB ?

Discuss shared data problem with example. How to solve shared data problem?

Differentiate co-operative and pre-emptive scheduling method used in RTOS.

Explain various interrupt service (handling) mechanisms used in the embedded systems in brief.

Discuss problem of priority inversion. How to solve it?

Describe features of multiplexed IO lines in MSP430.

Describe clock-sources in MSP430.

Describe Timer-modes for MSP430. Write a C-program to generate square wave of 1Hz using timer-A (up-down mode).

Describe special features of MSP430. Why it is called mixed signal processor?

Describe Status register fields of MSP430 that is used for setting up different low -power modes.

Sketch interfacing diagram to interface following device with MSP430.1 (1) common-cathode 7-segment LED at Port-1 and (2) switch interfacing at P2.0. Write a C-program to count and display on 7-segment display number of times switch pressed .