add basic diagrams for pin control

diff --git a/pinmux/pinmux_chennai_2018.tex b/pinmux/pinmux_chennai_2018.tex
index ac0c0235637470813aeb28c32b613cc56ba37444..c1bdb1e16a52a24c958f1b0aa0dfe3f735ed2828 100644 (file)
--- a/pinmux/pinmux_chennai_2018.tex
+++ b/pinmux/pinmux_chennai_2018.tex
@@ -40,6 +40,22 @@
 }
 
 
+\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}
 
  \begin{itemize}

diff --git a/pinmux/reg_gpio_cap_ctrl.jpg b/pinmux/reg_gpio_cap_ctrl.jpg
new file mode 100644 (file)
index 0000000..3976e91
Binary files /dev/null and b/pinmux/reg_gpio_cap_ctrl.jpg differ

diff --git a/pinmux/reg_gpio_fn_ctrl.jpg b/pinmux/reg_gpio_fn_ctrl.jpg
new file mode 100644 (file)
index 0000000..ca88cda
Binary files /dev/null and b/pinmux/reg_gpio_fn_ctrl.jpg differ