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PORTALE DELLA DIDATTICA

Digital systems electronics

04OIHNX

A.A. 2023/24

2021/22

Digital systems electronics

The course is optional in the BS-level programme in Electronic And Communications Engineering and is offered in the second period of the third year. It deals with the basics of Digital Electronics, covering all different aspects of digital design. The most important design methodologies related to basic digital circuits up to complex processing systems are shown and applied. The knowledges and the abilities developed in this module are necessary for the more advanced courses on digital systems.

Digital systems electronics

The course is optional in the BS-level program in Electronic And Communications Engineering and is offered in the second period of the third year. The course provides the basics of Digital Electronics, from the elementary combinational and sequential circuits up to the design of complex processing systems. Moreover, the course introduces the use of Microcontrollers for the implementation of embedded systems. A relevant number of hours is devoted to practical activities, tailored around several projects to be completed step by step in the laboratory, by following the learned design methodologies, and by exploiting professional CAD tools and hardware boards.

Digital systems electronics

-Knowledge of basic combinatorial circuits and their synthesis tools; - Knowledge of sequential circuits and their synthesis tools; -Knowledge and ability in the use of a Hardware Description Language such as VHDL: description and syntesis of digital blocks. -Knowledge of complex programming digital circuits (FPGAs); -Knowledge of memory structures and architectures, and their use in processing systems. - Basic knowledge of microcontrollers architectures and applications.

Digital systems electronics

1) Knowledge of basic combinatorial circuits and related analysis and synthesis methodologies. 2) Knowledge of sequential circuits and related analysis and synthesis methodologies. 3) Knowledge and ability in the use of a Hardware Description Languages such as VHDL: description and synthesis of digital components. 4) Knowledge of modern configurable digital circuits (FPGAs). 5) Knowledge of memory structures and architectures, and their use in processing systems. 6) Knowledge of microcontrollers architectures and applications. 7) Knowledge and ability in the use of development tools for microcontrollers.

Digital systems electronics

Boole's Algebra; elementary combinatorial and sequential digital functions; concept of finite state machine.

Digital systems electronics

Boole's Algebra; elementary gates; basics in electronic devices; basics in C programming language and computer architecture.

Digital systems electronics

- Combinatorial circuits: synthesis techinques for basic and arithmetic circuits (1 CFU) - Sequential circuits: elementary FSMs and complex control architectures (ASM charts) (2 CFU) - Hardware Description Languages (VHDL): statements, data structures and coding techniques for hardware description and modelling (2 CFU); - Memories: circuits, architectures and applications (1 CFU); - Microcontrollers: internal architecture, programming model and use; peripheral units (2 CFU);

Digital systems electronics

Combinational circuits: relevant circuits, timing, synthesis techniques for basic circuits, arithmetic circuits. (0.5 CFU) Sequential circuits: elementary circuits, flip flops, FSMs. (1 CFU) Complex architectures (ASM charts, datapath and control unit). (1.5 CFU) Hardware Description Languages (VHDL): statements, data structures, and coding techniques for hardware description and modeling (2 CFU) Microcontrollers: internal architecture, programming model, peripherals, development tools (3 CFU) Memories: circuits, architectures, and applications. (1 CFU) Programmable devices (PLD, FPGA). (1 CFU)

Digital systems electronics

Digital systems electronics

Digital systems electronics

Practice classes will focus on small digital designs. Laboratory sessions consist in the development, synthesis and implementation of digital designs, described using VHDL language and microcontrollers. Evaluation boards will be available to test the designs. Overall, laboratory assignments will be completed by groups of 3 or 4 students. A report is required for each laboratory session and it will be considered in the final grade. Assignments must be completed and delivered within specific dates distributed during the spring term.

Digital systems electronics

Practice classes will focus on a number of assigned digital designs: 1) VHDL as a language for design entry (behavioural simulation, synthesis, post place & route simulation) 2) Application design on an FPGA board (design entry, simulation, synthesis) 3) FPGA configuration and test 4) Microcontroller technology : development of simple projects (C language), test on STM32 microcontroller Laboratory sessions consist of the development, synthesis, and implementation of dedicated digital designs described using VHDL language or microcontroller-based applications. Evaluation boards will be available to test the designs. Overall, laboratory assignments will be completed by groups of 3 or 4 students. A report is required for each laboratory session and it will be considered in the final grade. Assignments must be completed and delivered within specific dates distributed during the spring term.

Digital systems electronics

The learning material used for the lessons is made available through the course website. This includes notes provided by the professor, datasheets of electronic components, free ebooks and past written tests. Reference books: "Fundamentals of Digital Logic with VHDL Design (Third Edition)" di Stephen Brown e Zvonko Vranesic , Mc Graw Hill.

Digital systems electronics

The learning material used for the lessons is made available through the course website. This includes notes provided by the professor, datasheets of electronic components, free ebooks and past written tests. Reference textbooks: "Fundamentals of Digital Logic with VHDL Design (Third Edition)" Stephen Brown and Zvonko Vranesic , Mc Graw Hill “Introduction to Microcontrollers”, Günther Gridling, Bettina Weiss, Vienna University of Technology, 2007 “Mastering STM32”, Carmine Noviello, Lean Publishing, 2017. Free ebooks: “Free Range VHDL”, Bryan Mealy, Fabrizio Tappero, 2016 “The VHDL Cookbook”, Peter J. Ashenden, 1990 “Introduction to Embedded Systems - Interfacing to the Freescale 9S12”, Jonathan W. Valvano, 2010

Digital systems electronics

Modalità di esame: Prova scritta (in aula); Prova orale obbligatoria; Elaborato progettuale in gruppo;

Digital systems electronics

The written test includes three open answer questions and one design problem. The available time is 2 hours. The questions cover all course topics and they intend to verify the acquired knowledge and capabilities. The design problem requires to understand the initial specifications, to develop a detailed datapath architecture, to properly model the control unit, and to describe one or multiple elements by means of VHDL. No books and notes are admitted. Normally, the same weight is given to each question. However, the weight of questions that achieved a very low average mark may be slightly reduced. A mark at least equal to 18/30 is required to pass to the oral exam, which concerns both the subjects already covered in the written test and the discussion of the submitted projects. Normally, two questions are asked and one of them is about laboratory projects. The evaluation of laboratory projects is based on: - completeness, - adopted methodology - obtained results. The final grade is a weighted average of the written and oral exams (weighted 0.8) and lab reports (weighted 0.2).

Digital systems electronics

Exam: Written test; Compulsory oral exam; Group project;

Digital systems electronics

The exam has three components: 1) Written test on the whole set of covered topics. Questions include at least one (simple) design problem to be solved and two/three open answer questions, where you have to describe what you know about a given subject. There are no multiple-choice questions. This component assigns up to 21 points in the 30-point scale. 2) Evaluation of the group projects, based on material delivered within the given deadlines. Late deliveries will not be evaluated. This component assigns up to 9 points. 3) Oral exam, mandatory, covering questions about the completed projects, questions about the written test (if necessary), additional questions on any course topic. In the written test, the available time is 2 hours. The questions cover all course topics and they intend to verify the acquired knowledge and capabilities. The design problem requires understanding the initial specifications, developing a detailed datapath architecture, to properly model the control unit, and describing one or multiple elements by means of VHDL. No books and notes are admitted. Each question has a uniform distribution of weights. However, these weights may be slightly modified (by no more than 20%) after the correction of tests, based on the statistical distribution of marks. The evaluation of the written test initially assigns a mark in the 0 to 30 range (passing threshold = 18). Passing marks are then multiplied by 21/30 (range 12.6 to 21) . The evaluation of the laboratory projects gives additional points up to a maximum of 9/30, depending on: quality of the delivered code (functional correctness, synthesizability, readability, …), and quality of the report (clarity, completeness, …). The oral exam is accessible only if the written test has been passed (mark >= 18/30 or >=12.6/21). One of the main roles of the oral exam is evaluating the individual contribution of a student in the delivered group projects. The oral exam can correct the mark resulting from the sum of the two previous evaluations by +/- 3 points.

Digital systems electronics

Modalità di esame: Prova orale obbligatoria; Prova scritta a risposta aperta o chiusa tramite PC con l'utilizzo della piattaforma di ateneo Exam integrata con strumenti di proctoring (Respondus); Elaborato progettuale in gruppo;

Digital systems electronics

Both the written test and the oral exam can be taken onsite or online. The written test includes two/three open answer questions and one design problem. The available time is 2 hours. The questions cover all course topics and they intend to verify the acquired knowledge and capabilities. The design problem requires to understand the initial specifications, to develop a detailed datapath architecture, to properly model the control unit, and to describe one or multiple elements by means of VHDL. No books and notes are admitted. Normally, the same weight is given to each question. However, the weight of questions that achieved a very low average mark may be slightly reduced. A mark at least equal to 18/30 is required to pass the written test and to access the oral exam, which deals with the complete set of subjects covered in the course, including the laboratory activities. Normally, two questions are asked and one of them is about laboratory projects. The evaluation of laboratory projects is based on: - completeness, - adopted methodology - obtained results. The final grade is a weighted average of the written and oral exams (weighted 0.7) and lab reports (weighted 0.3). Although not recommended, it is possible to pass the exam without the laboratory contribution. However, in this case, an excellent result in the written test and in the oral exam is necessary: in particular, more than 25/30 must be achieved after the written test, so as the 70% of the received evaluation is larger than the passing threshold (18/30). Written test: organization In the online case, we will use the EXAM platform and the proctoring system Respondus. There will be two or three separate test sessions: 1. The first session is about the design of a complex digital system. The answer has to be typed on your PC according to a detailed template specified for every step in the design procedure (see the example given at the end of the document). During the test, you must also provide two or three drawings, each one on a separate paper, according to the rules specified in the exam text. Do not deliver any other drawing in addition to the one explicitly required. Before the end of the test, the student must frame each drawing with his webcam. Then, after the end of the test and within 5 minutes, the same drawings must be delivered, according to the following rules: a. Upload your drawings to the “Elaborati” section of the “Portale della didattica” by means of the Polito App. In case you are unable to do that, send the drawings by email and, in this case, compose the file names as: student ID followed by the word PHOTO and by a progressive number (example: S123456PHOTO1). b. You have to provide clear and complete pictures of the same drawings as the ones that were framed at the end of the written test. c. Please, provide good quality pictures with files of limited size (approximately no more than 1 or 2 MB per picture). d. Each photo must only contain the required drawing and your name; no other text descriptions are admitted. Any description, explanation or comment related to the design must be typed on your PC. e. Each photo must be a JPEG or PDF image saved in a separate file. Drawings delivered too late will not be considered. Drawings that were not properly framed with the webcam at the end of the test or different from the ones framed will not be considered. 2. The second session of the written exam includes two-three open answer questions. In this case, for each question, the student has to type the answer on the PC, with no extra material admitted. Each question will detail both the requested content and the template to be followed in providing the answer. There can be a word number limit for each answer. Oral exam: they can be organized onsite or, alternatively, online by using the BBB tool (Virtual Classroom platform).

Digital systems electronics

Exam: Compulsory oral exam; Computer-based written test with open-ended questions or multiple-choice questions using the Exam platform and proctoring tools (Respondus); Group project;

Digital systems electronics

The exam has three components: 1) Written test on the whole set of covered topics. Questions include at least one (simple) design problem to be solved and two/three open answer questions, where you have to describe what you know about a given subject. There are no multiple-choice questions. This component assigns up to 21 points in the 30-point scale. 2) Evaluation of the group projects, based on material delivered within the given deadlines. Late deliveries will not be evaluated. This component assigns up to 9 points. 3) Oral exam, mandatory, covering questions about the completed projects, questions about the written test (if necessary), additional questions on any course topic. In the written test, the available time is 2 hours. The questions cover all course topics and they intend to verify the acquired knowledge and capabilities. The design problem requires understanding the initial specifications, developing a detailed datapath architecture, to properly model the control unit, and describing one or multiple elements by means of VHDL. No books and notes are admitted. Each question has a uniform distribution of weights. However, these weights may be slightly modified (by no more than 20%) after the correction of tests, based on the statistical distribution of marks. The evaluation of the written test initially assigns a mark in the 0 to 30 range (passing threshold = 18). Passing marks are then multiplied by 21/30 (range 12.6 to 21) . The evaluation of the laboratory projects gives additional points up to a maximum of 9/30, depending on: quality of the delivered code (functional correctness, synthesizability, readability, …), and quality of the report (clarity, completeness, …). The oral exam is accessible only if the written test has been passed (mark >= 18/30 or >=12.6/21). One of the main roles of the oral exam is evaluating the individual contribution of a student in the delivered group projects. The oral exam can correct the mark resulting from the sum of the two previous evaluations by +/- 3 points. Both the written test and the oral exam can be taken onsite or online. Written test: organization In the online case, we will use the EXAM platform and the proctoring system Respondus. There will be two separate test sessions: 1. The first session is about the design of a complex digital system. The answer has to be typed on your PC according to a detailed template specified for every step in the design procedure (see the example given at the end of the document). During the test, you must also provide two or three drawings, each one on a separate paper, according to the rules specified in the exam text. Do not deliver any other drawing in addition to the one explicitly required. Before the end of the test, the student must frame each drawing with his webcam. Then, after the end of the test and within 5 minutes, the same drawings must be delivered, according to the following rules: a. Upload your drawings to the “Elaborati” section of the “Portale della didattica” by means of the Polito App. In case you are unable to do that, send the drawings by email and, in this case, compose the file names as: student ID followed by the word PHOTO and by a progressive number (example: S123456PHOTO1). b. You have to provide clear and complete pictures of the same drawings as the ones that were framed at the end of the written test. c. Please, provide good quality pictures with files of limited size (approximately no more than 1 or 2 MB per picture). d. Each photo must only contain the required drawing and your name; no other text descriptions are admitted. Any description, explanation or comment related to the design must be typed on your PC. e. Each photo must be a JPEG or PDF image saved in a separate file. Drawings delivered too late will not be considered. Drawings that were not properly framed with the webcam at the end of the test or different from the ones framed will not be considered. 2. The second session of the written exam includes two-three open answer questions. In this case, for each question, the student has to type the answer on the PC, with no extra material admitted. Each question will detail both the requested content and the template to be followed in providing the answer. There can be a word number limit for each answer. Oral exam: they can be organized onsite or, alternatively, online by using the BBB tool (Virtual Classroom platform).

Digital systems electronics

Modalità di esame: Prova scritta (in aula); Prova orale obbligatoria; Prova scritta a risposta aperta o chiusa tramite PC con l'utilizzo della piattaforma di ateneo Exam integrata con strumenti di proctoring (Respondus); Elaborato progettuale in gruppo;

Digital systems electronics

Both the written test and the oral exam can be taken onsite or online. The written test includes two/three open answer questions and one design problem. The available time is 2 hours. The questions cover all course topics and they intend to verify the acquired knowledge and capabilities. The design problem requires to understand the initial specifications, to develop a detailed datapath architecture, to properly model the control unit, and to describe one or multiple elements by means of VHDL. No books and notes are admitted. Normally, the same weight is given to each question. However, the weight of questions that achieved a very low average mark may be slightly reduced. A mark at least equal to 18/30 is required to pass the written test and to access the oral exam, which deals with the complete set of subjects covered in the course, including the laboratory activities. Normally, two questions are asked and one of them is about laboratory projects. The evaluation of laboratory projects is based on: - completeness, - adopted methodology - obtained results. The final grade is a weighted average of the written and oral exams (weighted 0.7) and lab reports (weighted 0.3). Although not recommended, it is possible to pass the exam without the laboratory contribution. However, in this case, an excellent result in the written test and in the oral exam is necessary: in particular, more than 25/30 must be achieved after the written test, so as the 70% of the received evaluation is larger than the passing threshold (18/30). Written test: organization In the online case, we will use the EXAM platform and the proctoring system Respondus. There will be two or three separate test sessions: 1. The first session is about the design of a complex digital system. The answer has to be typed on your PC according to a detailed template specified for every step in the design procedure (see the example given at the end of the document). During the test, you must also provide two or three drawings, each one on a separate paper, according to the rules specified in the exam text. Do not deliver any other drawing in addition to the one explicitly required. Before the end of the test, the student must frame each drawing with his webcam. Then, after the end of the test and within 5 minutes, the same drawings must be delivered, according to the following rules: a. Upload your drawings to the “Elaborati” section of the “Portale della didattica” by means of the Polito App. In case you are unable to do that, send the drawings by email and, in this case, compose the file names as: student ID followed by the word PHOTO and by a progressive number (example: S123456PHOTO1). b. You have to provide clear and complete pictures of the same drawings as the ones that were framed at the end of the written test. c. Please, provide good quality pictures with files of limited size (approximately no more than 1 or 2 MB per picture). d. Each photo must only contain the required drawing and your name; no other text descriptions are admitted. Any description, explanation or comment related to the design must be typed on your PC. e. Each photo must be a JPEG or PDF image saved in a separate file. Drawings delivered too late will not be considered. Drawings that were not properly framed with the webcam at the end of the test or different from the ones framed will not be considered. 2. The second session of the written exam includes two-three open answer questions. In this case, for each question, the student has to type the answer on the PC, with no extra material admitted. Each question will detail both the requested content and the template to be followed in providing the answer. There can be a word number limit for each answer. Oral exam: they can be organized onsite or, alternatively, online by using the BBB tool (Virtual Classroom platform).

Digital systems electronics

Exam: Written test; Compulsory oral exam; Computer-based written test with open-ended questions or multiple-choice questions using the Exam platform and proctoring tools (Respondus); Group project;

Digital systems electronics

The exam has three components: 1) Written test on the whole set of covered topics. Questions include at least one (simple) design problem to be solved and two/three open answer questions, where you have to describe what you know about a given subject. There are no multiple-choice questions. This component assigns up to 21 points in the 30-point scale. 2) Evaluation of the group projects, based on material delivered within the given deadlines. Late deliveries will not be evaluated. This component assigns up to 9 points. 3) Oral exam, mandatory, covering questions about the completed projects, questions about the written test (if necessary), additional questions on any course topic. In the written test, the available time is 2 hours. The questions cover all course topics and they intend to verify the acquired knowledge and capabilities. The design problem requires understanding the initial specifications, developing a detailed datapath architecture, to properly model the control unit, and describing one or multiple elements by means of VHDL. No books and notes are admitted. Each question has a uniform distribution of weights. However, these weights may be slightly modified (by no more than 20%) after the correction of tests, based on the statistical distribution of marks. The evaluation of the written test initially assigns a mark in the 0 to 30 range (passing threshold = 18). Passing marks are then multiplied by 21/30 (range 12.6 to 21) . The evaluation of the laboratory projects gives additional points up to a maximum of 9/30, depending on: quality of the delivered code (functional correctness, synthesizability, readability, …), and quality of the report (clarity, completeness, …). The oral exam is accessible only if the written test has been passed (mark >= 18/30 or >=12.6/21). One of the main roles of the oral exam is evaluating the individual contribution of a student in the delivered group projects. The oral exam can correct the mark resulting from the sum of the two previous evaluations by +/- 3 points. Both the written test and the oral exam can be taken onsite or online. Written test: organization In the online case, we will use the EXAM platform and the proctoring system Respondus. There will be two separate test sessions: 1. The first session is about the design of a complex digital system. The answer has to be typed on your PC according to a detailed template specified for every step in the design procedure (see the example given at the end of the document). During the test, you must also provide two or three drawings, each one on a separate paper, according to the rules specified in the exam text. Do not deliver any other drawing in addition to the one explicitly required. Before the end of the test, the student must frame each drawing with his webcam. Then, after the end of the test and within 5 minutes, the same drawings must be delivered, according to the following rules: a. Upload your drawings to the “Elaborati” section of the “Portale della didattica” by means of the Polito App. In case you are unable to do that, send the drawings by email and, in this case, compose the file names as: student ID followed by the word PHOTO and by a progressive number (example: S123456PHOTO1). b. You have to provide clear and complete pictures of the same drawings as the ones that were framed at the end of the written test. c. Please, provide good quality pictures with files of limited size (approximately no more than 1 or 2 MB per picture). d. Each photo must only contain the required drawing and your name; no other text descriptions are admitted. Any description, explanation or comment related to the design must be typed on your PC. e. Each photo must be a JPEG or PDF image saved in a separate file. Drawings delivered too late will not be considered. Drawings that were not properly framed with the webcam at the end of the test or different from the ones framed will not be considered. 2. The second session of the written exam includes two-three open answer questions. In this case, for each question, the student has to type the answer on the PC, with no extra material admitted. Each question will detail both the requested content and the template to be followed in providing the answer. There can be a word number limit for each answer. Oral exam: they can be organized onsite or, alternatively, online by using the BBB tool (Virtual Classroom platform).

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