add example

diff --git a/pinmux/pinmux_chennai_2018.tex b/pinmux/pinmux_chennai_2018.tex
index c8459082e0813e79c78064b3d23b55d72ead2456..215c62e5f1d6bfeb6d8cc8c11d7f13251f3f9796 100644 (file)
--- a/pinmux/pinmux_chennai_2018.tex
+++ b/pinmux/pinmux_chennai_2018.tex
@@ -205,6 +205,7 @@
    \item Pull-up enable: built-in 10k (50k?) resistor
    \item Pull-down enable: built-in 10k (50k?) resistor
    \item Muxing and IRQ Edge-detection not part of the I/O pin
+   \item Other? (impedance? not normally part of commercial pinmux)
   \end{itemize}
 }