SN32F707_tikz.tex

% Diagram of the LQFP 48 pins IC version for SN32F707
% based on Andrew's work: 
% https://tex.stackexchange.com/questions/202230/how-to-draw-an-integrated-circuit-pin-configuration-like-in-data-sheets

\documentclass{standalone}
\usepackage{tikz}
\usepackage{amsmath}
\begin{document}
\begin{tikzpicture}[scale=0.38,pin/.style={draw,rectangle,minimum width=1.8em,font=\small}]
   % Main trick: loop over the label numbers and then adjust their position
   % in the tikzpicture using evaluate to calculate \y=y-coordinate of pin
   \foreach \i/\desc [evaluate=\i as \y using (13.5-\i)]
      in {1/{URXD1/P0.0},
          2/{UTXD1/P0.1},
          3/{SCL1/P0.2},
          4/{SDA1/P0.3},
          5/{SCL0/P0.4},
          6/{SDA0/P0.5},
          7/{SCK0/P0.6},
          8/{SEL0/P0.7},
          9/{MISO0/P0.8},
          10/{MOSI0/P0.9},
         11/{SWCLK/P0.10},
         12/{SWDIO/P0.11} }
   {
     \draw node[pin,anchor=east] at (0,\y){\small$\i$};
     \node [align=right,anchor=east] at (-1.6,\y){\desc};
   }
   \foreach \i/\desc [evaluate=\i as \x using (\i-11.5)]
     in {13/{AIN0/P2.0},
         14/{AIN1/P2.1},
         15/{AIN2/P2.2},
         16/{AIN3/P2.3}, 
         17/{AIN4/P2.4},
         18/{AVDD},
         19/{AVSS},
         20/{AIN5/P2.5},
         21/{AIN6/P2.6},
         22/{AIN7/P2.7},
         23/{AIN8/P2.8},
         24/{AIN9/P2.9} }
   {
     \draw node[pin,anchor=east,rotate=90] at (\x,0){\small$\i$};
     \node [align=right,anchor=east,rotate=90] at (\x,-1.6){\desc};
   }
   \foreach \i/\desc [evaluate=\i as \y using (\i-23.5)]
     in {25/{P1.0/I2SMCLK},
         26/{P1.1/I2SSDA},
         27/{P1.2/I2SBCLK},
         28/{P1.3/I2SWS},
         29/{P1.4/DPDWAKEUP},
         30/{P1.5},
         31/{P1.6/URXD0},
         32/{P1.7/UTXD0},
         33/{P1.8/UCTS0},
         34/{P1.9/USCLK0},
         35/{P1.10/URTS0},
         36/{P1.11/CLKOUT} }
   {
     \draw node[pin,anchor=west] at (14,\y){\small$\i$};
     \node [align=left,anchor=west] at (15.6,\y){\desc};
   }
   \foreach \i/\desc [evaluate=\i as \x using (49.5-\i)]
     in {37/{P3.0/UDTR0/SEL1},
         38/{P3.1/UDSR0/SCK1},
         39/{P3.2/UDCD0/MISO1},
         40/{P3.3/URI0/MOSI1},
         41/{P3.4/LXTALIN},
         42/{P3.5/LXALOUT},
         43/{P3.6/RESET},
         44/{P3.7/XTALIN},
         45/{P3.8/XTALOUT},
         46/{VSS},
         47/{VREG18},
         48/{VDD} }
   {
     \draw node[pin,anchor=west,rotate=90] at (\x,14){\small$\i$};
     \node [align=left,anchor=west,rotate=90] at (\x,15.6){\desc};
   }
   \draw[ultra thick]
      (0,0.8)--(0,13.2)--(0.8,14)--(13.2,14)--(14,13.2)
             --(14,0.8)--(13,0)--(0.8,0)--cycle;
   \draw(1.5,12.2)circle[radius=0.7];
   \node [text width=2.5cm, align=center] at (7,7){SN32F707 (LQFP 48 pins)};
  \end{tikzpicture}
\end{document}