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CDC #27

Origin Flip-flop

Graph

Signal

Clock Domain

Flip-flop

Open CDC Graph

Signal: u2_ddr.refresh_cnt
Usage:
- ddr_ctrl.vhd#221
- ddr_ctrl.vhd#253
- ddr_ctrl.vhd#255

clk_reg (rising)

TOP (plasma_3e) > u2_ddr (ddr_ctrl) > ddr_ctrl.vhd#218

Target Flip-flop

Graph

Signal

Clock Domain

Flip-flop

Open CDC Graph

Signal: u2_ddr.cycle_count
Usage:
- ddr_ctrl.vhd#264
- ddr_ctrl.vhd#268
- ddr_ctrl.vhd#269
- ddr_ctrl.vhd#270
- ddr_ctrl.vhd#276
- ddr_ctrl.vhd#278

CLK_50MHZ (rising)

TOP (plasma_3e) > u2_ddr (ddr_ctrl) > ddr_ctrl.vhd#263


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