\listfiles
\documentclass{jarticle}
\usepackage{array}

\begin{document}

{\tiny
\setlength{\tabcolsep}{3pt}
\begin{tabular}{|%
>{\centering}m{0.6cm}|%
>{\centering}m{0.6cm}|%
>{\centering}m{0.6cm}|%
>{\centering}m{0.6cm}|%
>{\centering}m{0.6cm}|%
>{\centering}m{0.6cm}|%
>{\centering}m{0.6cm}|%
>{\centering}m{0.6cm}|%
>{\centering}m{0.6cm}|%
>{\centering}m{0.6cm}|%
>{\centering}m{0.6cm}|%
>{\centering}m{0.8cm}|%
l}
10 & 9 & 8 & 7 & 6 & 5 & 4 & 3 & 2 & 1 & 0 & \\
\hline
   &   &   &   &   &   &   &   &   &   &   & \\ 
\multicolumn{3}{|c|}{STKSZ} & ROM S1 & SGT DIS & ROM EN & BYT DIS & CLK EN &
WRC FG & CSC FG & - &  \\ 
   &   &   &   &   &   &   &   &   &   &   & \\ 
\hline
\end{tabular}
}

\end{document}
