distrib/docxml2/text/common/configuration/cnf_stbctk.xml

   1 <?xml version="1.0" encoding="ISO-8859-1" ?>
   2 <section niv='3'><title>Running</title>
   3
   4
   5 <glossary>
   6 <row type='split'><article><index>stbCtkWorstBeginCondition</index></article><def>
   7   <glossary width='small'>
   8   <row><article><f>yes</f></article><def>The SI engine performs a worst case static timing
   9   analysis with crosstalk. All aggression is assumed initially. Any false aggression is detected and removed.</def></row>
  10   <row><article><f>no</f></article><def>Default</def></row>
  11   </glossary>
  12 </def></row>
  13
  14 <row type='split'><article><index>stbCrosstalkMode</index></article><def>
  15   <glossary width='small'>
  16   <row><article><f>yes</f></article><def>Enables crosstalk analysis.</def></row>
  17   <row><article><f>no</f></article><def>Default</def></row>
  18   </glossary>
  19 </def></row>
  20
  21 <row type='split'><article><index>stbCtkObservableMode</index></article><def>
  22   <glossary width='small'>
  23   <row><article><f>yes</f></article><def>Default. The SI engine performs a best case static timing analysis with
  24   crosstalk. No aggression is assumed initially. Any aggression is detected and added. Uses a less pessimistic algorithm
  25   to detect observable aggression.</def></row>
  26   <row><article><f>no</f></article><def></def></row>
  27   </glossary>
  28 </def></row>
  29
  30 <row type='split'><article><index>stbCtkNoInfoActif</index></article><def>
  31   <glossary width='small'>
  32   <row><article><f>yes</f></article><def>The SI engine considers aggressors not defined
  33   in the timing view as active aggressors. No information on an aggressor are usually due to a coupling capacitance between
  34   usual net and an internal gate net.</def></row>
  35   <row><article><f>no</f></article><def>Default.</def></row>
  36   </glossary>
  37 </def></row>
  38
  39 <row type='split'><article><index>stbCtkMinOccurenceProbability</index></article><def>
  40   <glossary width='small'>
  41   <row><article><f>value</f></article><def>[IN ALPHA DEVELOPMENT STAGE] Defines the probability value (from 0 to 1) under which a agression occurence probability is considered as not interesting during a crosstalk analysis. Default value is 1. </def></row>
  42   <row><article><f>no</f></article><def>Default.</def></row>
  43   </glossary>
  44 </def></row>
  45
  46 <row type='split'><article><index>stbCtkReportFile</index></article><def>
  47   <glossary width='small'>
  48   <row><article><f>yes</f></article><def>The SI engine generates a <f>.ctk</f> crosstalk report
  49   file.</def></row>
  50   <row><article><f>no</f></article><def>Default.</def></row>
  51   </glossary>
  52 </def></row>
  53
  54
  55 </glossary>
  56
  57 </section>
  58 <section niv='3'><title>Models</title>
  59
  60
  61
  62 <glossary>
  63 <row type='split'><article><index>stbCtkMargin</index></article><def>
  64   <glossary width='small'>
  65   <row><article><f>&lt;float&gt;</f></article><def>Minimum delay between two switching windows implying
  66   that there is no possibility of aggression. Default value is 0 picoseconds.</def></row>
  67   </glossary>
  68 </def></row>
  69
  70 <row type='split'><article><index>ctkNoiseDefaultResi</index></article><def>
  71   <glossary width='small'>
  72   <row><article><f>&lt;float&gt;</f></article><def>Resistance in Ohms representing the driving strengh of input pins,
  73   in order to obtain pertinent peak noise values.</def></row>
  74   <row><article><f>10000</f></article><def>Default value</def></row>
  75   </glossary>
  76 </def></row>
  77
  78
  79 <row type='split'><article><index>rcxCtkModel</index></article><def>
  80 Model used to compute elementary delay when taking into account crosstalk effect if an aggression is detected.
  81   <glossary width='small'>
  82   <row><article><f>MILLER_0C2C</f></article><def>Coupling capacitance is removed or replaced to
  83   a ground capacitance with a doubled value. </def></row>
  84   <row><article><f>MILLER_NOMINAL</f></article><def>Default, coupling capacitance is replaced to a ground capacitance
  85   with a value multiplied by 0.0 to 2.0 according to relative slope computed without coupling effect between
  86   victim and its aggressor. </def></row>
  87   <!--<row><article><f>MILLER_NC3C</f></article><def>Same as <f>MILLER_NOMINAL</f>, except capacitance
  88   is multiplied by a value between -1.0 and 3.0. Set <f>rcxCtkNoise</f> to <f>NOISE_NEVER</f> with this configuration.</def></row>-->
  89   </glossary>
  90 </def></row>
  91
  92 <!--<row type='split'><article><index>rcxCtkNoise</index></article><def>
  93   <glossary width='small'>
  94   <row><article><f>NOISE_FINE</f></article><def>Default, allows modeling to take into account the
  95   changing in amplitude (noise effect) on a net due to coupling effect.</def></row>
  96   <row><article><f>NOISE_NEVER</f></article><def>Changing in amplitude is not taken into account</def></row>
  97   </glossary>
  98 </def></row>-->
  99
 100 <row type='split'><article><index>rcxMinRelCtkFilter</index></article><def>
 101   <glossary width='small'>
 102   <row><article><f>&lt;float&gt;</f></article><def>Number between 0 and 1. If the ratio between one coupling
 103   capacitance and the total capacitance is less than <f>float</f>,  then the filtering of this coupling capacitance
 104   is controlled by <f>stbCtkNoInfoActif</f>. Default is 0.05</def></row>
 105   </glossary>
 106 </def></row>
 107
 108 <row type='split'><article><index>rcxMinRelCtkSignal</index></article><def>
 109   <glossary width='small'>
 110   <row><article><f>&lt;float&gt;</f></article><def>Number between 0 and 1. If the ratio between the sum of coupling
 111   capacitance and the total capacitance is less than <f>float</f> then all the coupling capacitances are filtered.
 112   Default is 0.05</def></row>
 113   </glossary>
 114 </def></row>
 115
 116 <row type='split'><article><index>rcxCtkSlopeDelay</index></article><def>
 117   <glossary width='small2'>
 118   <row><article><f>SLOPE_DELAY_CTK</f></article><def>Default, basic slope is used during delay calculation. Gives
 119   pessimistic results, but is faster</def></row>
 120   <row><article><f>SLOPE_DELAY_ENHANCED</f></article><def>Removes the contribution of the victim on the slopes of its aggressors. More precise but requires more computation
 121   time</def></row>
 122   </glossary>
 123 </def></row>
 124
 125 <row type='split'><article><index>rcxCtkSlopeNoise</index></article><def>
 126   <glossary width='small'>
 127   <row><article><f>SLOPE_CTK</f></article><def>Default, uses worst slopes with crosstalk to compute voltage
 128   noise</def></row>
 129   <row><article><f>SLOPE_NOMINAL</f></article><def>Uses slopes computed without aggression to compute voltage
 130   noise </def></row>
 131   <row><article><f>SLOPE_REAL</f></article><def>Removes the contribution of the victim on the slopes of its aggressors. Requires more computation
 132   time but gives better results</def></row>
 133   </glossary>
 134 </def></row>
 135
 136 </glossary>
 137
 138
 139 </section>
 140 <section niv='3'><title>Convergence</title>
 141
 142 <glossary>
 143 <row type='split'><article><index>stbCtkMaxIteration</index></article><def>
 144   <glossary width='small'>
 145   <row><article><f>&lt;int&gt;</f></article><def>Defines the maximum number of iteration the SI can perform. Default value: 999</def></row>
 146   </glossary>
 147 </def></row>
 148
 149 <row type='split'><article><index>stbCtkminSlopeChange</index></article><def>
 150   <glossary width='small'>
 151   <row><article><f>&lt;int&gt;</f></article><def>When no further aggression is detected or removed,
 152   this variable represents the minimum slope variation, in ps, that induces slope re-calculation. Default is 2</def></row>
 153   </glossary>
 154 </def></row>
 155
 156 <row type='split'><article><index>stbCtkMaxLastIter</index></article><def>
 157   <glossary width='small'>
 158   <row><article><f>&lt;int&gt;</f></article><def>When no further aggression is detected or removed,
 159   this variable represents the maximum number of iterations of slope re-calculation. Default is 3</def></row>
 160   </glossary>
 161 </def></row>
 162
 163 </glossary>
 164
 165
 166 </section>
 167 <section niv='3'><title>Reports</title>
 168
 169
 170
 171 <glossary>
 172 <row type='split'><article><index>ctkDeltaDelayMin</index></article><def>
 173   <glossary width='small'>
 174   <row><article><f>&lt;int&gt;</f></article><def>Minimum amount, in ps, of the propagation delay variation,
 175   versus crosstalk-free propagation delay. If the variation is greater than <f>int</f>, then it is reported in the <f>.ctk</f>
 176   file. Default is 0 ps.</def></row>
 177   </glossary>
 178 </def></row>
 179
 180 <row type='split'><article><index>ctkDeltaSlopeMin</index></article><def>
 181   <glossary width='small'>
 182   <row><article><f>&lt;int&gt;</f></article><def>Minimum amount, in ps, of the slope variation,
 183   versus crosstalk-free slope. If the variation is greater than <f>int</f>, then it is reported in the <f>.ctk</f>
 184   file. Default is 0 ps.</def></row>
 185   </glossary>
 186 </def></row>
 187
 188 <row type='split'><article><index>ctkNoiseMin</index></article><def>
 189   <glossary width='small'>
 190   <row><article><f>&lt;int&gt;</f></article><def>Minimum value, in mV, of the voltage noise to
 191   be reported in the <f>.ctk</f> file.</def></row>
 192   </glossary>
 193 </def></row>
 194
 195 <row type='split'><article><index>ctkCapaMin</index></article><def>
 196   <glossary width='small'>
 197   <row><article><f>&lt;int&gt;</f></article><def>Number between 0 and 100. Minimum percentage of
 198   coupling capacitance. If the ratio of the coupling capacitance on a net is greater than <f>int</f>
 199   then it is reported in the <f>.ctk</f> file. </def></row>
 200   </glossary>
 201 </def></row>
 202
 203 <row type='split'><article><index>stbCtkMaxReportedSignals</index></article><def>
 204   <glossary width='small'>
 205   <row><article><f>&lt;number&gt;</f></article><def>Number of signals to report at each crosstalk iteration. Setting the number to 0 disables the report generated at each iteration.
 206   Default is 0.
 207   </def></row>
 208   </glossary>
 209 </def></row>
 210
 211 </glossary>
 212
 213
 214 </section>
 215 <section niv='3'><title>Scores</title>
 216
 217
 218
 219 <glossary>
 220 <row type='split'><article><index>stbCtkCoefNoise</index></article><def>
 221   <glossary width='small'>
 222   <row><article><f>&lt;int&gt;</f></article><def>Between 0 and 10. Specifies the noise voltage score part of
 223   the total score. Default is 4.</def></row>
 224   </glossary>
 225 </def></row>
 226
 227 <row type='split'><article><index>stbCtkMinNoise</index></article><def>
 228   <glossary width='small'>
 229   <row><article><f>&lt;int&gt;</f></article><def>Minimum noise voltage score under which no
 230   report for this net is provided. </def></row>
 231   </glossary>
 232 </def></row>
 233
 234 <row type='split'><article><index>stbCtkCoefInterval</index></article><def>
 235   <glossary width='small'>
 236   <row><article><f>&lt;int&gt;</f></article><def>Between 0 and 10. Specifies the interval score part of
 237   the total score. Default is 3.</def></row>
 238   </glossary>
 239 </def></row>
 240
 241 <row type='split'><article><index>stbCtkMinInterval</index></article><def>
 242   <glossary width='small'>
 243   <row><article><f>&lt;int&gt;</f></article><def>Minimum interval score under which no
 244   report for this net is provided. </def></row>
 245   </glossary>
 246 </def></row>
 247
 248
 249 <row type='split'><article><index>stbCtkCoefCtk</index></article><def>
 250   <glossary width='small'>
 251   <row><article><f>&lt;int&gt;</f></article><def>Between 0 and 10. Specifies the crosstalk
 252   score part of the total score. Default is 2.</def></row>
 253   </glossary>
 254 </def></row>
 255
 256 <row type='split'><article><index>stbCtkMinCtk</index></article><def>
 257   <glossary width='small'>
 258   <row><article><f>&lt;int&gt;</f></article><def>Minimum crosstalk score under which no
 259   report for this net is provided. </def></row>
 260   </glossary>
 261 </def></row>
 262
 263
 264 <row type='split'><article><index>stbCtkCoefActivity</index></article><def>
 265   <glossary width='small'>
 266   <row><article><f>&lt;int&gt;</f></article><def>Between 0 and 10. Specifies the activity score part of
 267   the total score. Default is 1.</def></row>
 268   </glossary>
 269 </def></row>
 270
 271 <row type='split'><article><index>stbCtkMinActivity</index></article><def>
 272   <glossary width='small'>
 273   <row><article><f>&lt;int&gt;</f></article><def>Minimum activity score under which no
 274   report for this net is provided. </def></row>
 275   </glossary>
 276 </def></row>
 277
 278 </glossary>
 279
 280
 281 </section>