From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Fri, 15 Jun 2018 06:13:16 +0000 (+0100)
Subject: add basic diagrams for pin control
X-Git-Tag: convert-csv-opcode-to-binary~5204
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4344cb6ac7a9854459de00f82d5062eb4397d103;p=libreriscv.git

add basic diagrams for pin control
---

diff --git a/pinmux/pinmux_chennai_2018.tex b/pinmux/pinmux_chennai_2018.tex
index ac0c02356..c1bdb1e16 100644
--- 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
index 000000000..3976e918a
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
index 000000000..ca88cdaf9
Binary files /dev/null and b/pinmux/reg_gpio_fn_ctrl.jpg differ