add muxer block diagram

diff --git a/pinmux/pinmux_chennai_2018.tex b/pinmux/pinmux_chennai_2018.tex
index 181f60232ba1527a0706de3120fff0399d5801f1..ac0c0235637470813aeb28c32b613cc56ba37444 100644 (file)
--- a/pinmux/pinmux_chennai_2018.tex
+++ b/pinmux/pinmux_chennai_2018.tex
@@ -38,6 +38,8 @@
   {\bf 4-in, 4-out, pullup/down, hysteresis, edge-detection}
  \end{center}
 }
+
+
 \frame{\frametitle{Summary}
 
  \begin{itemize}