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📄 footprnt.htm

📁 基于tcp/ip的一个以太网编程的例子程序
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<html>

<head>
<title>Microchip TCP/IP Stack Footprint</title>
</head>

<body bgcolor="#FFFFFF">
		<table border="0" width="100%">
			<tr>
				<td>
					<img src="Mchp.gif"></img>
				</td>
				<td width="100%">
					<p align="right">
						<font size="6" face="MS Sans Serif">
							<b>
								Microchip TCP/IP Stack
							</b>
						</font>
					</p>
				</td>
			</tr>
		</table>
		<table border="0" cellpadding="0" cellspacing="0" width="100%" fgcolor="white">
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				<td width="25%">
					<a href="Index.htm">
						<font color="#FFFFFF">
							<b>Home</b>
						</font>
					</a>
				</td>
				<td width="25%">
					<a href="Features.htm">
						<font color="#FFFFFF">
							<b>Features</b>
						</font>
						</a>
				</td>
				<td width="25%">
						<a href="Arch.htm">
							<font color="#FFFFFF">
								<b>Architecture</b>
							</font>
						</a>
				</td>
				<td width="25%">
							<font color="#FFFFFF">
								<b>Stack Footprint</b>
							</font>
				</td>
			</tr>
		</table>
<br>

<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">1358</td>
        <td width="20%" bgcolor="#D1D1D1">55</td>
        <td width="20%" bgcolor="#D1D1D1">ENC28J60</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>324</td>
        <td>0</td>
        <td>&nbsp;</td>
    </tr>
    <tr>
        <td>ARPTask</td>
        <td>152</td>
        <td>11</td>
        <td>&nbsp;</td>
    </tr>
    <tr>
        <td rowspan="2" bgcolor="#D1D1D1">Internet</td>
        <td bgcolor="#D1D1D1">IP</td>
        <td bgcolor="#D1D1D1">305</td>
        <td bgcolor="#D1D1D1">2</td>
        <td bgcolor="#D1D1D1">&nbsp;</td>
    </tr>
    <tr>
        <td bgcolor="#D1D1D1">ICMP</td>
        <td bgcolor="#D1D1D1">243</td>
        <td bgcolor="#D1D1D1">0</td>
        <td bgcolor="#D1D1D1">&nbsp;</td>
    </tr>
    <tr>
        <td rowspan="2">Transport</td>
        <td>TCP</td>
        <td>2524</td>
        <td>42</td>
        <td>Each extra socket consumes 36 bytes of RAM</td>
    </tr>
    <tr>
        <td>UDP</td>
        <td>608</td>
        <td>20</td>
        <td>Each extra socket consumes 19 bytes of RAM</td>
    </tr>
    <tr>
        <td rowspan=6 bgcolor="#D1D1D1">Application</td>
        <td bgcolor="#D1D1D1">HTTP</td>
        <td bgcolor="#D1D1D1">912</td>
        <td bgcolor="#D1D1D1">10</td>
        <td bgcolor="#D1D1D1">Must include TCP, MPFS</td>
    </tr>
    <tr>
        <td bgcolor="#D1D1D1">DHCP</td>
        <td bgcolor="#D1D1D1">738</td>
        <td bgcolor="#D1D1D1">26</td>
        <td bgcolor="#D1D1D1">Must include UDP</td>
    </tr>
    <tr>
        <td bgcolor="#D1D1D1">SNMP</td>
        <td bgcolor="#D1D1D1">2819</td>
        <td bgcolor="#D1D1D1">28</td>
        <td bgcolor="#D1D1D1">Must include UDP, MPFS</td>
    </tr>
    <tr>
        <td bgcolor="#D1D1D1">FTP Server</td>
        <td bgcolor="#D1D1D1">637</td>
        <td bgcolor="#D1D1D1">35</td>
        <td bgcolor="#D1D1D1">Must include TCP, 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 bgcolor="#D1D1D1">Announce</td>
        <td bgcolor="#D1D1D1">187</td>
        <td bgcolor="#D1D1D1">0</td>
        <td bgcolor="#D1D1D1">&nbsp;</td>
    </tr>
    <tr>
        <td rowspan=5>Other</td>
        <td>File System (MPFS)</td>
        <td>276</td>
        <td>5</td>
        <td>Internal Program Memory Storage</td>
    </tr>
    <tr>
        <td>Stack Manager</td>
        <td>297</td>
        <td>12 + ICMP Buffer</td>
        <td>ICMP Buffer size is user defined</td>
    </tr>
    <tr>
        <td>Tick Manager</td>
        <td>33</td>
        <td>2</td>
        <td>User may use custom Tick Manager too</td>
    </tr>
    <tr>
        <td>Helper/Common functions</td>
        <td>660</td>
        <td>0</td>
        <td>None</td>
    </tr>
    <tr>
        <td>SPI EEPROM Storage Routines</td>
        <td>211</td>
        <td>4 + EEPROM Buffer</td>
        <td>EEPROM Buffer size is user defined</td>
    </tr>
    <tr>
        <td colspan="5" bordercolor="#FFFFFF"><em><strong>Note:</strong></em><em>
        Using Microchip C18 v3.00 Compiler with all optimization.  All values are estimates.  These values may vary as new features and optimizations are added.</em></td>
    </tr>
</table>
</body>
</html>

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