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1.92 + 1.93 + } 1.94 + 1.95 + 1.96 + if (window.setRelStartPage) 1.97 + { 1.98 + setRelStartPage("msb_peripherals.htm"); 1.99 + 1.100 + autoSync(0); 1.101 + sendSyncInfo(); 1.102 + sendAveInfoOut(); 1.103 + } 1.104 + 1.105 +} 1.106 +else 1.107 + if (window.gbIE4) 1.108 + document.location.reload(); 1.109 +//--> 1.110 +</script> 1.111 +</head> 1.112 +<body><script type="text/javascript" language="javascript1.2"> 1.113 +<!-- 1.114 +if (window.writeIntopicBar) 1.115 + writeIntopicBar(4); 1.116 +//--> 1.117 +</script> 1.118 +<h1>LatticeMico32 Timer <a title="View Data Sheet" href="timer.pdf" target="_blank" onmouseover="if ((parseInt(navigator.appVersion) == 4) && (navigator.appName == 'Netscape')) ehlp_showtip(this,event,'View Data Sheet');" onmouseout="if ((parseInt(navigator.appVersion) == 4) && (navigator.appName == 'Netscape')) ehlp_hidetip();"><img src="ds_icon_ast.jpg" x-maintain-ratio="TRUE" width="29px" height="31px" border="0" class="img_whs1"></a></h1> 1.119 + 1.120 +<p>The LatticeMico32 timer is a highly configurable countdown timer with 1.121 + a WISHBONE-compliant slave interface compatible with the LatticeMico32 1.122 + microprocessor. </p> 1.123 + 1.124 +<p class="whs2"><span style="font-style: italic;"><I>*If the 1.125 + data sheet fails to open, see the note at the bottom of this page.</I></span></p> 1.126 + 1.127 +<h2>Revision History</h2> 1.128 + 1.129 +<table x-use-null-cells cellspacing="0" width="636" height="84" class="whs3"> 1.130 +<script language='JavaScript'><!-- 1.131 +if ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) == 4)) document.write("</table><table x-use-null-cells cellspacing='0' width='636' height='84' border='1' bordercolor='silver' bordercolorlight='silver' bordercolordark='silver'>"); 1.132 +//--></script> 1.133 +<col class="whs4"> 1.134 +<col class="whs5"> 1.135 + 1.136 +<tr valign="top" class="whs6"> 1.137 +<td bgcolor="#DEE8F4" width="87px" class="whs7"> 1.138 +<p class=Table 1.139 + style="font-weight: bold;">Version</td> 1.140 +<td bgcolor="#DEE8F4" width="502px" class="whs8"> 1.141 +<p class=Table 1.142 + style="font-weight: bold;">Description</td></tr> 1.143 + 1.144 +<tr valign="top" class="whs6"> 1.145 +<td colspan="1" rowspan="1" width="87px" class="whs9"> 1.146 +<p class=Table 1.147 + style="font-weight: normal;"><span style="font-weight: normal;">3.0 1.148 + (7.0 SP2)</span></td> 1.149 +<td colspan="1" rowspan="1" width="502px" class="whs10"> 1.150 +<p class=Table>Version number change only. No RTL code change.</td></tr> 1.151 + 1.152 +<tr valign="top" class="whs6"> 1.153 +<td colspan="1" rowspan="1" width="87px" class="whs9"> 1.154 +<p class="whs11">1.0</td> 1.155 +<td colspan="1" rowspan="1" width="502px" class="whs10"> 1.156 +<p class=Table>Initial release.</td></tr> 1.157 +<script language='JavaScript'><!-- 1.158 +if ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) == 4)) document.write("</table></table><table>"); 1.159 +//--></script> 1.160 +</table> 1.161 + 1.162 + 1.163 + 1.164 +<h2>Dialog Box Parameters</h2> 1.165 + 1.166 +<table x-use-null-cells cellspacing="0" class="whs12"> 1.167 +<script language='JavaScript'><!-- 1.168 +if ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) == 4)) document.write("</table><table x-use-null-cells cellspacing='0' border='1' bordercolor='silver' bordercolorlight='silver' bordercolordark='silver'>"); 1.169 +//--></script> 1.170 +<col class="whs13"> 1.171 +<col class="whs5"> 1.172 + 1.173 +<tr valign="top" class="whs14"> 1.174 +<td bgcolor="#DEE8F4" width="86px" class="whs15"> 1.175 +<p class=Table 1.176 + style="font-weight: bold;">Property</td> 1.177 +<td bgcolor="#DEE8F4" width="502px" class="whs16"> 1.178 +<p class=Table 1.179 + style="font-weight: bold;">Description</td></tr> 1.180 + 1.181 +<tr valign="top" class="whs14"> 1.182 +<td colspan="1" rowspan="1" width="86px" class="whs17"> 1.183 +<p class=Table>Instance Name</td> 1.184 +<td colspan="1" rowspan="1" width="502px" class="whs18"> 1.185 +<p class=Table>Specifies the name of the timer instance. Alphanumeric values 1.186 + and underscores are supported. The default is timer.</td></tr> 1.187 + 1.188 +<tr valign="top" class="whs14"> 1.189 +<td width="86px" class="whs17"> 1.190 +<p class=Table>Base Address</td> 1.191 +<td width="502px" class="whs18"> 1.192 +<p class=Table>Specifies the base address for configuring the timer device. 1.193 + The minimum boundary alignment is 0X80. Supported values 1.194 + are 0X00000000 to 0XFFFFFFFF. The default is 0X00000000.</td></tr> 1.195 + 1.196 +<tr valign="top" class="whs14"> 1.197 +<td colspan="1" rowspan="1" width="86px" class="whs17"> 1.198 +<p class=Table>Writeable Tick Count</td> 1.199 +<td colspan="1" rowspan="1" width="502px" class="whs18"> 1.200 +<p class=Table>Determines whether the period register is writable. A tick 1.201 + is equivalent to one clock cycle. This option is selected by default.</td></tr> 1.202 + 1.203 +<tr valign="top" class="whs14"> 1.204 +<td colspan="1" rowspan="1" width="86px" class="whs17"> 1.205 +<p class=Table>Readable Tick Count</td> 1.206 +<td colspan="1" rowspan="1" width="502px" class="whs18"> 1.207 +<p class=Table>Determines whether the snapshot register is readable. This 1.208 + option is selected by default.</td></tr> 1.209 + 1.210 +<tr valign="top" class="whs14"> 1.211 +<td colspan="1" rowspan="1" width="86px" class="whs17"> 1.212 +<p class=Table>Start Stop Control</td> 1.213 +<td colspan="1" rowspan="1" width="502px" class="whs18"> 1.214 +<p class=Table>Determines whether the START and STOP bits are controllable. 1.215 + This option is selected by default.</td></tr> 1.216 + 1.217 +<tr valign="top" class="whs14"> 1.218 +<td colspan="1" rowspan="1" width="86px" class="whs19"> 1.219 +<p class=Table>Default Reload Ticks</td> 1.220 +<td colspan="1" rowspan="1" width="502px" class="whs20"> 1.221 +<p class=Table>Specifies the initial countdown value. The period number 1.222 + is the reload value used to initialize the counter. The value should be 1.223 + in the range that can be represented by the period width. Supported values 1.224 + are 0X00000000 to 0XFFFFFFFF. The default is 20 (0X14).</td></tr> 1.225 + 1.226 +<tr valign="top" class="whs14"> 1.227 +<td colspan="1" rowspan="1" width="86px" class="whs17"> 1.228 +<p class=Table>Counter Width</td> 1.229 +<td colspan="1" rowspan="1" width="502px" class="whs18"> 1.230 +<p class=Table>Controls the period register and internal counter's width. 1.231 + The period width is the width of the adder-subtractor used to implement 1.232 + the counter. Supported values are 1 to 31. The default is 32.</td></tr> 1.233 +<script language='JavaScript'><!-- 1.234 +if ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) == 4)) document.write("</table></table><table>"); 1.235 +//--></script> 1.236 +</table> 1.237 + 1.238 + 1.239 + 1.240 +<p><span style="font-weight: bold;"><B>Note</B></span>: If the data sheet fails 1.241 + to open, click <img src="qm_icon.jpg" x-maintain-ratio="TRUE" width="14px" height="16px" border="0" class="img_whs21"> on the Available Components toolbar, and 1.242 + then click the note button.</p> 1.243 + 1.244 +<script type="text/javascript" language="JavaScript"> 1.245 +<!-- 1.246 + if ((parseInt(navigator.appVersion) == 4) && (navigator.appName == 'Netscape')) 1.247 + document.write("<div id='tooltip' class='WebHelpPopupMenu'></div>"); 1.248 +//--> 1.249 +</script><script type="text/javascript" language="javascript1.2"> 1.250 +<!-- 1.251 +if (window.writeIntopicBar) 1.252 + writeIntopicBar(0); 1.253 +//--> 1.254 +</script> 1.255 +</body> 1.256 +</html>