Course Details

Subject {L-T-P / C} : BM4601 : Medical Embedded Systems { 3-0-0 / 3}

Subject Nature : Theory

Coordinator : Dr. Mirza Khalid Baig

Syllabus

1. Introduction to Medical Embedded Systems: Application of embedded systems in medical devices
2. Introduction to Arduino Platform and ATmega328P microcontroller, Overview of subsystems / peripherals within ATMega328P.
3. Interrupt Subsystem: Interrupt Basics, Foreground and Background Processing, ATmega328 Interrupt System.
4. Communications subsystem: Serial/Parallel Communication, Synchronous/Asynchronous Communication, USART, USB, SPI, I2C / Two-wire interface.
5. GPIO Subsystem: Details of GPIO subsystem, GPIO Registers, Pin ‘muxing’, GPIO output stage - Push-Pull & Open Drain, Related Digital concepts (Counters, Shift Registers), ‘De-bouncing’
6. Timers: Basics – Prescalers, Types of Timers within ATmega328P, Timer Functions and Modes, PWM Generation, Application of PWM, Clock Sources in ATMega328P, Input Capture functionality, Timer Interrupts, Watchdog Timer, RTC.
7. Power Management Subsystem: Link between Power consumption and clock frequency, Different Types of Sleep Modes in ATMega328P,
8. Reset Logic within ATMega328P, Power-On-Reset, External Reset , Watchdog Timer Reset, Brown-out Reset.
9. Memory Subsystem: Digital Concepts Related to RAM : SRAM, DRAM, Monostable/Bistable circuits, SRAM circuit and top-level design, ROM : EEPROM, Flash, ROM top-level design, Addressing Modes, Memory partitions within ATMega: Data Memory, Program Memory
10. Analog Circuits : Opamps: Properties of Ideal Opamp, Concepts related to feedback in opamp, Gain Bandwidth Product, Frequency Response, Phase Response, Opamp non-idealities, CMRR, Instrumentation Amplifier, Opamp Noise Calculations (Input Referred Noise, SNR, Noise Figure, THD), Impedance Matching Concepts, Filter design using Opamps, Design of Biosignal Recording Front-ends using Opamps.
11. Analog-to-Digital Conversion: Concepts related to ADC, Quantization Noise, Errors and Non-linearities within ADC. Different Types of ADC with focus on SAR ADC. Details of ADC present with ATMega328P.
12. Programming concepts specific to Embedded Systems
13. Embedded systems design: Design of a bio-signal data acquisition system from concept to firmware and hardware.

Course Objectives

Course Outcomes

At the end of the course, the student will be able to: <br />1. Gain in-depth understanding of concepts about embedded system. <br />2. Address problems in biomedical devices and develop embedded systems to solve it. <br />3. Learn and link hardware and software concepts used in embedded systems. <br />4. Analyse system level requirements by understanding analogue, digital and firmware related concepts. <br />5. Learn about different tools for embedded systems design.

Essential Reading

Supplementary Reading