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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 |
| --- | :---: | :---: | :---: | ---: | ---: |
|**CLK_50MHZ**
- **CLK_50MHZ**: plasma_3e.vhd#24 (Port)|
|✔|✔|**10**/56 (17.86%)|**2**/15|
## Instances using this clock domain
**Count: 2**
| Instance | Rising | Falling |
| --- | :---: | :---: |
|TOP (plasma_3e)|✔|✗|
|TOP (plasma_3e) > u2_ddr (ddr_ctrl)|✔|✔|
## Flip-flops using this clock domain
**Count: 10**
### Rising-edge usage
| Count: 5 |
| --- |
| ddr_ctrl.vhd#263 |
| plasma_3e.vhd#163 |
### Falling-edge usage
| Count: 5 |
| --- |
| ddr_ctrl.vhd#284 |
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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