| oV1 | VHDL Language basics |
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Objectives
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- Knowledge of digital technology
- Concepts of Boolean algebra
- Some programming concepts are desirable (whatever language)
- Theoretical course
- PDF course material (in English).
- Course dispensed using the Teams video-conferencing system.
- The trainer answers trainees' questions during the training and provide technical and pedagogical assistance through the Teams video-conferencing system.
- Practical activities
- Practical activities represent from 40% to 50% of course duration.
- Code examples, exercises and solutions
- One Online Linux PC per trainee for the practical activities.
- The trainer has access to trainees' Online PCs for technical and pedagogical assistance.
- Eclipse environment and GCC compiler.
- QEMU Emulated board or physical board connected to the online PC (depending on the course).
- Some Labs may be completed between sessions and are checked by the trainer on the next session.
- Downloadable preconfigured virtual machine for post-course practical activities
- At the start of each session the trainer will interact with the trainees to ensure the course fits their expectations and correct if needed
- Total: 24 hours
- 4 sessions, 6 hours each (excluding break time)
- From 40% to 50% of training time is devoted to practical activities
- Some Labs may be completed between sessions and are checked by the trainer on the next session
- Any embedded systems engineer or technician with the above prerequisites.
- The prerequisites indicated above are assessed before the training by the technical supervision of the traineein his company, or by the trainee himself in the exceptional case of an individual trainee.
- Trainee progress is assessed in two different ways, depending on the course:
- For courses lending themselves to practical exercises, the results of the exercises are checked by the trainer while, if necessary, helping trainees to carry them out by providing additional details.
- Quizzes are offered at the end of sections that do not include practical exercises to verifythat the trainees have assimilated the points presented
- At the end of the training, each trainee receives a certificate attesting that they have successfully completed the course.
- In the event of a problem, discovered during the course, due to a lack of prerequisites by the trainee a different or additional training is offered to them, generally to reinforce their prerequisites,in agreement with their company manager if applicable.
Course Outline
- Reminder on digital electronic
- Combinational Logic
- Sequential (Synchronous) Logic
- Schematics / Hierarchical representation
- Structure of an Integrated Circuit
- SSI (small scale integration), TTL
- MSI (medium scale integration), PALs, GALs, PLDs
- LSI (large scale integration), CPLDs
- VLSI (very large scale integration), ASICs, ASSPs, FPGAs
- Development of logical architectures
- Technology constraints
- Interconnection methods (SRAM, Fuse, AntiFuse, Flash)
- Clock distribution
- Logic element types
- Look Up Table
- Basic logic cell
- I/O modules
- Timing issues
- VHDL Contributions
- Benefits of VHDL programming
- The VHDL Design Flow
- Programming
- Simulation
- Synthesis
- Mapping
- Place and Route
- Timing Analysis
- Bitstream generation
- The Entity / architecture concept
- Entity declaration
- Ports
- Different styles of architecture
- Libraries and context
- The “work†library
- Component instantiation
- Port map
- Simulation flow and environment
- The Testbench
- Getting started with the IDE
- Creating a project from scratch
- Synthesis / Translate / Map / Place and Route (PAR) /BitGen
- Report Analysis
- Assigning I/O locations using Planahead (editing constraint file)
- Schematics Views
- Analyzing the placement
- Flashing with Impact
| Exercise: | Understanding the steps of design and programming | |
| Exercise: | Getting started with the simulator, waveform generation and analysis | |
- Lexical items
- Comments
- Identifiers and keywords
- Characters, Strings, Numbers, Bit strings
- Constants
- Signals
- Variables and aliases
- Data types
- Scalar types
- Integer
- Real
- Enumerated type
- Physical types
- Composite types
- Array
- Record
- Special types
- Library and Packages
- Standard package
- IEEE packages
- Std_logic_1164 package
- Multi-valued types
- Multi-driver and resolved types
- Numeric types
- Type conversion
- Aggregates
- Attributes
- Type attributes
- Signal attributes
| Exercise: | Getting started with the simulator, waveform generation and analysis | |
- Concurrent instructions
- Component instantiation
- Signal affectation
- Simple affectation
- With… Select… When statement
- When… Else statement
- Unaffected keyword
- Variable aggregates
- Relational operators
- Arithmetic operators
- Concatenation / Slicing
- Sequential instructions
- Processes
- Sensitivity list, Wait statement
- Potential interpretation incoherencies between logical synthesis and simulation
- Signal affectation
- Transparent Latch
- Use of variables
- If… Then… Else statement
- Case… When statement
- Null statement
- Iterative statements:
- For loop
- While loop
- Conditional Iteration
- Numeric_std / Numeric_bit packages
- Defined Types and Operators
- Conversion functions
- Ambiguity about the types and the « use » clause
| Exercise: | Coding, simulating and synthesizing a bounds enforcer | |
| Exercise: | Designing a 7-segment decoder | |
| Exercise: | Designing a 4-bit adder | |
- Limits of asynchronous designs
- Synchronous Design, Registers and Timing
- Pipeline notion
- D Flip-flop description
- Use of Variable for synchronous process
- Variable Synthesis
- Reset and Set management
- Clock Enable
- Tri-state buffers description
- Synchronous design methodology
- Memory Synthesis
- Asynchronous RAM
- Synchronous RAM
- Single port
- Double port
- Pipelined
- ROM
- IP generator introduction
| Exercise: | Designing a counter/decounter | |
| Exercise: | Designing a FIFO | |
- Synthesis
- Syntactic and Semantic Restriction
- Creating synthesizable Designs
- Inferring Hardware elements
- Initialization and Reset
- Pragmas
- Testbenches
- A few basic rules for the writing of an efficient test bench
- Potential incoherencies between logical synthesis and simulation: how to avoid it
- VHDL instructions specific to simulation
- Testbench with File I/O
| Exercise: | Designing and testing a logical address decoder | |
| Exercise: | Simulation of sequential processes | |
| Exercise: | Advanced simulation techniques Text files | |
- Hierarchical division
- Analysis and Elaboration
- Components and Configurations
- Components
- Configuring components instances
- Direct instantiation
- Basic configurations
- Configuration declaration
- Default binding
- Configuration specification
- Port map and Generic map
- Genericity and automatic configuration of re-usable modules
- Packages
- Package Declarations
- Package Bodies
- Using package
- Libraries
| Exercise: | Designing a generic 4-digits BCD-counter and displaying it on a 7-segment display | |
| Exercise: | Enhancing a 4-bit BCD-counter/decounter to create a generic one | |
| Exercise: | Working with configurations | |
| Exercise: | Designing a n digits BCD-counter/decounter and displaying it on a 7-segment display | |
Duration
24 hours
Cost
2740 € HT
Calendar
To book a training session or for more information, please contact us on info@ac6-training.com.
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This course was designed specifically to be provided online, by one of our skilled trainers.
Scheduled classes are confirmed as soon as there is two confirmed bookings. Bookings are accepted until 2 working days before the course start.
Last update of course schedule: 10 October 2022
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