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# Clock Domain Details
## Summary
| Name: Origin | Graph | Rising | Falling | Number of flip-flops
using this clock domain | Number of instances
using this clock domain |
| --- | :---: | :---: | :---: | ---: | ---: |
|**inst_reset_sync_clk_from_GTY.reset_gen_rr_n**
- **inst_reset_sync_clk_from_GTY.reset_gen_rr_n**: reset_gen.vhd#56 (Flip-flop)|
|✔|✗|**3**/1320 (0.23%)|**1**/109|
## Instances using this clock domain
**Count: 1**
| Instance | Rising | Falling |
| --- | :---: | :---: |
|TOP (spacefibre_light_top) > gen_inst_phy_plus_lane.inst_phy_plus_lane (phy_plus_lane_64b) > inst_ppl_64_parallel_loopback (ppl_64_parallel_loopback)|✔|✗|
## Flip-flops using this clock domain
**Count: 3**
### Rising-edge usage
| Count: 3 |
| --- |
| ppl_64_parallel_loopback.vhd#75 |
### Falling-edge usage
| Count: 0 |
| --- |
Note that there could be fewer source code locations than the number of flip-flops because several flip-flops can be inferred from the same piece of code.
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