📄 footprnt.htm
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<html>
<head>
<title>Footprint</title>
</head>
<body bgcolor="#FFFFFF">
<table border="1" cellpadding="0" cellspacing="0" width="100%"
bordercolor="#000000">
<tr>
<td width="20%" bgcolor="#FFFF00"><strong>Layer</strong></td>
<td width="20%" bgcolor="#FFFF00"><strong>Component</strong></td>
<td width="20%" bgcolor="#FFFF00"><strong>ROM (Words)</strong></td>
<td width="20%" bgcolor="#FFFF00"><strong>RAM (bytes)</strong></td>
<td width="20%" bgcolor="#FFFF00"><strong>Comment</strong></td>
</tr>
<tr>
<td rowspan="2" width="20%" bgcolor="#D1D1D1">Physical</td>
<td width="20%" bgcolor="#D1D1D1">Ethernet</td>
<td width="20%" bgcolor="#D1D1D1">906</td>
<td width="20%" bgcolor="#D1D1D1">5</td>
<td width="20%" bgcolor="#D1D1D1">RTL8019AS</td>
</tr>
<tr>
<td bgcolor="#D1D1D1">USART</td>
<td bgcolor="#D1D1D1">-</td>
<td bgcolor="#D1D1D1">-</td>
<td bgcolor="#D1D1D1">See SLIP</td>
</tr>
<tr>
<td rowspan="3">Network</td>
<td>SLIP</td>
<td>780</td>
<td>12 + Tx & Rx Buffers</td>
<td>Buffer size is user defined</td>
</tr>
<tr>
<td>ARP</td>
<td>392</td>
<td>0</td>
<td> </td>
</tr>
<tr>
<td>ARPTask</td>
<td>181</td>
<td>11</td>
<td> </td>
</tr>
<tr>
<td rowspan="2" bgcolor="#D1D1D1">Internet</td>
<td bgcolor="#D1D1D1">IP</td>
<td bgcolor="#D1D1D1">396</td>
<td bgcolor="#D1D1D1">2</td>
<td bgcolor="#D1D1D1"> </td>
</tr>
<tr>
<td bgcolor="#D1D1D1">ICMP</td>
<td bgcolor="#D1D1D1">318</td>
<td bgcolor="#D1D1D1">0</td>
<td bgcolor="#D1D1D1"> </td>
</tr>
<tr>
<td rowspan="2">Transport</td>
<td>TCP</td>
<td>3323</td>
<td>42</td>
<td>Each extra socket consumes 36 bytes of RAM</td>
</tr>
<tr>
<td>UDP</td>
<td>662</td>
<td>20</td>
<td>Each extra socket consumes 19 bytes of RAM</td>
</tr>
<tr>
<td rowspan=4 bgcolor="#D1D1D1">Application</td>
<td bgcolor="#D1D1D1">HTTP</td>
<td bgcolor="#D1D1D1">1441</td>
<td bgcolor="#D1D1D1">10</td>
<td bgcolor="#D1D1D1">Must include MPFS</td>
</tr>
<tr>
<td bgcolor="#D1D1D1">DHCP</td>
<td bgcolor="#D1D1D1">1228</td>
<td bgcolor="#D1D1D1">26</td>
<td bgcolor="#D1D1D1">Must include UDP</td>
</tr>
<tr>
<td bgcolor="#D1D1D1">FTP Server</td>
<td bgcolor="#D1D1D1">1063</td>
<td bgcolor="#D1D1D1">35</td>
<td bgcolor="#D1D1D1">Must include MPFS</td>
</tr>
<tr>
<td bgcolor="#D1D1D1">IP Gleaning</td>
<td bgcolor="#D1D1D1">20</td>
<td bgcolor="#D1D1D1">1</td>
<td bgcolor="#D1D1D1">Approx. size - Part of Stack Manager</td>
</tr>
<tr>
<td rowspan=4>Other</td>
<td>File System (MPFS)</td>
<td>306</td>
<td>5</td>
<td>Internal Program Memory Storage</td>
</tr>
<tr>
<td>Stack Manager</td>
<td>334</td>
<td>12 + ICMP Buffer</td>
<td>ICMP Buffer size is user defined</td>
</tr>
<tr>
<td>Tick Manager</td>
<td>37</td>
<td>2</td>
<td>User may use custom Tick Manager too.</td>
</tr>
<tr>
<td>Helper/Common functions</td>
<td>290</td>
<td>0</td>
<td>None</td>
</tr>
<tr>
<td colspan="5" bordercolor="#FFFFFF"><em><strong>Note:</strong></em><em>
Using Hi-Tech PICC-18 V8.11PL1 Compiler. These values may vary as new features and optimizations
are added.</em></td>
</tr>
</table>
</body>
</html>
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