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\chapter{La placa PHR}
 
\section{El chip FPGA}
 
\section{Memoria del FPGA}
 
\section{Interfaz JTAG}
 
\section{Relojes}
 
\section{GPIO}
 
\begin{figure}[h]
\begin{center}
  \includegraphics{./img/phr/gpio_header.pdf}
\end{center}
\caption{Conector para entradas y salidas de propósito general.}
\label{phr:gpio}
\end{figure}
 
\section{MOD}
 
\section{Periféricos}
\subsection{LEDs}
 
\begin{table}
\begin{center}
\begin{tabular}{|c|c||c|c|}
	\hline
	\textbf{Periférico} & \textbf{Pin}  & \textbf{Periférico} & \textbf{Pin}  \\
	\hline
	LED1 & 10 & LED5 & 14\\
	LED2 & 11 & LED6 & 15\\
	LED3 & 12 & LED7 & 16\\
	LED4 & 13 & LED8 & 17\\
	\hline
\end{tabular}
\end{center}
\caption{Correspondencia entre los  pines de la FPGA y los LEDs (periféricos).}
\label{phr:tabka}
\end{table}
 
\subsection{Pulsadores \emph{(Tact switches)}}
\begin{figure}[h]
\begin{center}
  \includegraphics{./img/phr/tact_switch.pdf}
\end{center}
\caption{Tact.}
\label{phr:tact}
\end{figure}
 
 
\subsection{Llaves DIP}
 
 
\subsection{Displays de 7 segmentos}
 
\begin{figure}[h]
\begin{center}
  \includegraphics{./img/phr/quad7seg.pdf}
\end{center}
\caption{Circuito 7 segmentos.}
\label{phr:quad7seg}
\end{figure}
 
\subsection{Puerto serie}
 
\begin{figure}[h]
\begin{center}
  \includegraphics{./img/phr/3232.pdf}
\end{center}
\caption{Circuito de la interfaz RS-232}
\label{phr:3232}
\end{figure}
 
 

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