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# CDC #20

## Origin Flip-flop

|Graph|Signal|Clock Domain|Flip-flop|
|:---:|---|---|---|
|<a href="/graphs/cdcs/cdc_20_graph.html"><img title="Open CDC Graph" src="/_static/images/icon_graph.png" style="max-height: 25px; width: auto;" alt="Open CDC Graph"></a>|Signal: `u1_plama.opt_cache2.u_cache.state_reg`<br>Usage:<br>- <linty-anchor href="//cache.vhd#131">cache.vhd#131</linty-anchor><br>- <linty-anchor href="//cache.vhd#134">cache.vhd#134</linty-anchor><br>- <linty-anchor href="//cache.vhd#135">cache.vhd#135</linty-anchor>|<linty-anchor href="/plasma_3e.vhd#140">clk_reg (rising)</linty-anchor>|TOP (<linty-anchor href="/plasma_3e.vhd#84">plasma_3e</linty-anchor>) > <linty-anchor href="/plasma_3e.vhd#190">u1_plama</linty-anchor> (<linty-anchor href="/plasma.vhd#39">plasma</linty-anchor>) > <linty-anchor href="/plasma.vhd#151">opt_cache2.u_cache</linty-anchor> (<linty-anchor href="/cache.vhd#21">cache</linty-anchor>) > <linty-anchor href="/cache.vhd#130">cache.vhd#130</linty-anchor>|


## Target Flip-flop

|Graph|Signal|Clock Domain|Flip-flop|
|:---:|---|---|---|
|<a href="/graphs/cdcs/cdc_20_graph.html"><img title="Open CDC Graph" src="/_static/images/icon_graph.png" style="max-height: 25px; width: auto;" alt="Open CDC Graph"></a>|Signal: `u2_ddr.cycle_count`<br>Usage:<br>- <linty-anchor href="//ddr_ctrl.vhd#264">ddr_ctrl.vhd#264</linty-anchor><br>- <linty-anchor href="//ddr_ctrl.vhd#268">ddr_ctrl.vhd#268</linty-anchor><br>- <linty-anchor href="//ddr_ctrl.vhd#269">ddr_ctrl.vhd#269</linty-anchor><br>- <linty-anchor href="//ddr_ctrl.vhd#270">ddr_ctrl.vhd#270</linty-anchor><br>- <linty-anchor href="//ddr_ctrl.vhd#276">ddr_ctrl.vhd#276</linty-anchor><br>- <linty-anchor href="//ddr_ctrl.vhd#278">ddr_ctrl.vhd#278</linty-anchor>|<linty-anchor href="/plasma_3e.vhd#24">CLK_50MHZ (rising)</linty-anchor>|TOP (<linty-anchor href="/plasma_3e.vhd#84">plasma_3e</linty-anchor>) > <linty-anchor href="/plasma_3e.vhd#215">u2_ddr</linty-anchor> (<linty-anchor href="/ddr_ctrl.vhd#57">ddr_ctrl</linty-anchor>) > <linty-anchor href="/ddr_ctrl.vhd#263">ddr_ctrl.vhd#263</linty-anchor>|


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