add muxer block diagram

[libreriscv.git] / pinmux / pinmux_chennai_2018.tex

diff --git a/pinmux/pinmux_chennai_2018.tex b/pinmux/pinmux_chennai_2018.tex
index 169b6e458a6e706fe2e7d2c0e7e9a7b14768dc10..badefaecb1dd1939bbc8869661a0a2a06a9c3c2f 100644 (file)
--- a/pinmux/pinmux_chennai_2018.tex
+++ b/pinmux/pinmux_chennai_2018.tex
@@ -35,11 +35,26 @@
 \frame{\frametitle{Standard GPIO 4-way in/out Mux}
  \begin{center}
   \includegraphics[height=2.5in]{../shakti/m_class/mygpiomux.jpg}\\
-  {\bf 4-in, 4-out, pullup/down, hysteresis, edge-detection}
+  {\bf 4-in, 4-out, pullup/down, hysteresis, edge-detection (EINT)}
  \end{center}
 }
 
 
+\frame{\frametitle{Register-to-pad "control" settings}
+ \begin{center}
+  \includegraphics[height=2.5in]{reg_gpio_cap_ctrl.jpg}\\
+  {\bf pullup/down, hysteresis, current, edge-detection}
+ \end{center}
+}
+
+
+\frame{\frametitle{In/Out muxing, direction control}
+ \begin{center}
+  \includegraphics[height=2.5in]{reg_gpio_fn_ctrl.jpg}\\
+  {\bf Note: function can control I/O direction}
+ \end{center}
+}
+
 
 \frame{\frametitle{Summary}