\subsection{Representations of (digital) Circuits}
-\begin{frame}{\subsecname}
+\begin{frame}[t]{\subsecname}
\begin{itemize}
\item Graphical
\begin{itemize}
\end{itemize}
\bigskip
\begin{block}{Definition}
- \only<1>{Schematic Diagrams are ...}
- \only<2>{Physical Layouts are ...}
- \only<3>{Netlists are ...}
- \only<4>{Hardware Description Languages are ...}
+ \only<1>{Schematic Diagrams are ... TBD}
+ \only<2>{Physical Layouts are ... TBD}
+ \only<3>{Netlists are ... TBD}
+ \only<4>{Hardware Description Languages are ... TBD}
+\end{block}
+\end{frame}
+
+
+\subsection{Levels of Abstraction for Digital Circuits}
+
+\begin{frame}[t]{\subsecname}
+\begin{itemize}
+ \item \alert<1>{System Level}
+ \item \alert<2>{High Level}
+ \item \alert<3>{Behavioral Level}
+ \item \alert<4>{Register-Transfer Level (RTL)}
+ \item \alert<5>{Logical Gate Level}
+ \item \alert<6>{Physical Gate Level}
+ \item \alert<7>{Switch Level}
+\end{itemize}
+\bigskip
+\begin{block}{Definition:
+\only<1>{System Level}%
+\only<2>{High Level}%
+\only<3>{Behavioral Level}%
+\only<4>{Register-Transfer Level (RTL)}%
+\only<5>{Logical Gate Level}%
+\only<6>{Physical Gate Level}%
+\only<7>{Switch Level}}
+\only<1>{
+ Overall view of the circuit: E.g. block-diagrams or instruction-set architecture descriptions
+}%
+\only<2>{
+ Functional implementation of circuit in high-level programming language (C, C++, SystemC, Matlab, Python, etc.).
+}%
+\only<3>{
+ Cycle-accurate description of circuit in hardware description language (Verilog, VHDL, etc.).
+}%
+\only<4>{
+ List of registers (flip-flops) and logic functions that calculate the next state from the previous one. Usually
+ a netlist utilizing high-level cells such as adders, multiplieres, multiplexer, etc.
+}%
+\only<5>{
+ Netlist of single-bit registers and basic logic gates (such as AND, OR,
+ NOT, etc.). Popular form: And-Inverter-Graphs (AIGs) with pairs of primary
+ inputs and outputs for each register bit.
+}%
+\only<6>{
+ Netlist of cells that actually are available on the target architecture
+ (such as CMOS gates in an ASCI or LUTs in an FPGA). Optimized for
+ area and/or and/or speed (static timing or number of logic levels).
+}%
+\only<7>{
+ Netlist of individual transistors.
+}%
\end{block}
\end{frame}
\title{Yosys Open SYnthesis Suite}
\author{Clifford Wolf}
+\institute{http://www.clifford.at/}
+\usetheme{Madrid}
+\usecolortheme{seagull}
\beamertemplatenavigationsymbolsempty
+\definecolor{YosysGreen}{RGB}{85,136,102}
+\setbeamercolor{title}{fg=black,bg=YosysGreen!70}
+\setbeamercolor{titlelike}{fg=black,bg=YosysGreen!70}
+\setbeamercolor{frametitle}{fg=black,bg=YosysGreen!70}
+\setbeamercolor{block title}{fg=black,bg=YosysGreen!70}
+\setbeamercolor{item projected}{fg=black,bg=YosysGreen}
+
\begin{document}
\begin{frame}
\titlepage
\end{frame}
+\begin{frame}{Overview}
+Yosys is an Open Source Verilog synthesis tool, and more.
+
+\bigskip
+Outline of this presentation:
+\begin{itemize}
+\item Introduction to the field and Yosys
+\item Yosys usage examples (synthesis)
+\item Yosys usage examples (beyond synthesis)
+\item Programming Yosys extensions
+\end{itemize}
+\end{frame}
+
\include{PRESENTATION_Intro}
\end{document}