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# CDC #128

## Origin Flip-flop

|Graph|Signal|Clock Domain|Flip-flop|
|:---:|---|---|---|
|<a href="/spacefibrelight/graphs/cdcs/cdc_128_graph.html"><img title="Open CDC Graph" src="/spacefibrelight/_static/images/icon_graph.png" style="max-height: 25px; width: auto;" alt="Open CDC Graph"></a>|Signal: `inst_data_link.gen_data_in_buff(0)\.inst_data_in_buf.ints_fifo_dc_axis_m.fifo_dc_inst.ptr_rd_gray`<br>Usage:<br>- <linty-anchor href="//src/ip/fifo_dc/fifo_dc.vhd#363">fifo_dc.vhd#363</linty-anchor><br>- <linty-anchor href="//src/ip/fifo_dc/fifo_dc.vhd#365">fifo_dc.vhd#365</linty-anchor>|<linty-anchor href="/src/ip_spacefibre_light_top/spacefibre_light_top.vhd#65">AXIS_ACLK_RX_DL (rising)</linty-anchor>|TOP (<linty-anchor href="/src/ip_spacefibre_light_top/spacefibre_light_top.vhd#146">spacefibre_light_top</linty-anchor>) > <linty-anchor href="/src/ip_spacefibre_light_top/spacefibre_light_top.vhd#567">inst_data_link</linty-anchor> (<linty-anchor href="/src/module_data_link/data_link.vhd#31">data_link</linty-anchor>) > <linty-anchor href="/src/module_data_link/data_link.vhd#803">gen_data_in_buff(0)\.inst_data_in_buf</linty-anchor> (<linty-anchor href="/src/module_data_link/data_in_buf.vhd#33">data_in_buf</linty-anchor>) > <linty-anchor href="/src/module_data_link/data_in_buf.vhd#157">ints_fifo_dc_axis_m</linty-anchor> (<linty-anchor href="/src/ip/fifo_dc_custom_to_axis/FIFO_DC_AXIS_M.vhd#36">FIFO_DC_AXIS_M</linty-anchor>) > <linty-anchor href="/src/ip/fifo_dc_custom_to_axis/FIFO_DC_AXIS_M.vhd#174">fifo_dc_inst</linty-anchor> (<linty-anchor href="/src/ip/fifo_dc/fifo_dc.vhd#36">FIFO_DC</linty-anchor>) > <linty-anchor href="/src/ip/fifo_dc/fifo_dc.vhd#362">fifo_dc.vhd#362</linty-anchor>|


## Target Flip-flop

|Graph|Signal|Clock Domain|Flip-flop|
|:---:|---|---|---|
|<a href="/spacefibrelight/graphs/cdcs/cdc_128_graph.html"><img title="Open CDC Graph" src="/spacefibrelight/_static/images/icon_graph.png" style="max-height: 25px; width: auto;" alt="Open CDC Graph"></a>|Signal: `inst_data_link.gen_data_in_buff(0)\.inst_data_in_buf.ints_fifo_dc_axis_m.fifo_dc_inst.ptr_rd_in_wr`<br>Usage:<br>- <linty-anchor href="//src/ip/fifo_dc/fifo_dc.vhd#223">fifo_dc.vhd#223</linty-anchor><br>- <linty-anchor href="//src/ip/fifo_dc/fifo_dc.vhd#226">fifo_dc.vhd#226</linty-anchor><br>- <linty-anchor href="//src/ip/fifo_dc/fifo_dc.vhd#228">fifo_dc.vhd#228</linty-anchor>|<linty-anchor href="/src/ip_spacefibre_light_top/spacefibre_light_top.vhd#45">CLK (rising)</linty-anchor>|TOP (<linty-anchor href="/src/ip_spacefibre_light_top/spacefibre_light_top.vhd#146">spacefibre_light_top</linty-anchor>) > <linty-anchor href="/src/ip_spacefibre_light_top/spacefibre_light_top.vhd#567">inst_data_link</linty-anchor> (<linty-anchor href="/src/module_data_link/data_link.vhd#31">data_link</linty-anchor>) > <linty-anchor href="/src/module_data_link/data_link.vhd#803">gen_data_in_buff(0)\.inst_data_in_buf</linty-anchor> (<linty-anchor href="/src/module_data_link/data_in_buf.vhd#33">data_in_buf</linty-anchor>) > <linty-anchor href="/src/module_data_link/data_in_buf.vhd#157">ints_fifo_dc_axis_m</linty-anchor> (<linty-anchor href="/src/ip/fifo_dc_custom_to_axis/FIFO_DC_AXIS_M.vhd#36">FIFO_DC_AXIS_M</linty-anchor>) > <linty-anchor href="/src/ip/fifo_dc_custom_to_axis/FIFO_DC_AXIS_M.vhd#174">fifo_dc_inst</linty-anchor> (<linty-anchor href="/src/ip/fifo_dc/fifo_dc.vhd#36">FIFO_DC</linty-anchor>) > <linty-anchor href="/src/ip/fifo_dc/fifo_dc.vhd#222">fifo_dc.vhd#222</linty-anchor>|


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