Video and Vision Processing Suite IP User Guide

ID 683329
Date 3/30/2025
Public
Document Table of Contents
1. About the Video and Vision Processing Suite 2. Getting Started with the Video and Vision Processing IPs 3. Video and Vision Processing IPs Functional Description 4. Video and Vision Processing IP Interfaces 5. Video and Vision Processing IP Registers 6. Video and Vision Processing IPs Software Programming Model 7. Protocol Converter IP 8. 1D LUT IP 9. 3D LUT IP 10. Adaptive Noise Reduction IP 11. Advanced Test Pattern Generator IP 12. AXI-Stream Broadcaster IP 13. Bits per Color Sample Adapter IP 14. Black Level Correction IP 15. Black Level Statistics IP 16. Chroma Key IP 17. Chroma Resampler IP 18. Clipper IP 19. Clocked Video Input IP 20. Clocked Video to Full-Raster Converter IP 21. Clocked Video Output IP 22. Color Plane Manager IP 23. Color Space Converter IP 24. Defective Pixel Correction IP 25. Deinterlacer IP 26. Demosaic IP 27. FIR Filter IP 28. Frame Cleaner IP 29. Full-Raster to Clocked Video Converter IP 30. Full-Raster to Streaming Converter IP 31. Genlock Controller IP 32. Generic Crosspoint IP 33. Genlock Signal Router IP 34. Guard Bands IP 35. Histogram Statistics IP 36. Interlacer IP 37. Mixer IP 38. Pixels in Parallel Converter IP 39. Scaler IP 40. Stream Cleaner IP 41. Switch IP 42. Text Box IP 43. Tone Mapping Operator IP 44. Test Pattern Generator IP 45. Unsharp Mask IP 46. Video and Vision Monitor Intel FPGA IP 47. Video Frame Buffer IP 48. Video Frame Reader Intel FPGA IP 49. Video Frame Writer Intel FPGA IP 50. Video Streaming FIFO IP 51. Video Timing Generator IP 52. Vignette Correction IP 53. Warp IP 54. White Balance Correction IP 55. White Balance Statistics IP 56. Design Security 57. Document Revision History for Video and Vision Processing Suite User Guide

31.2. Genlock Controller IP Parameters

The IP offers compile- and run-time parameters
Table 550.   Genlock Controller IP Parameters
Parameter Values Description
Configuration
Number of reference clock 1 to 4 The number of reference clocks as source for VCXO tracking.
PFD Parameters
Differential value size 12 to 27 The size of the PFD clock counters and output difference value.
Differential value size 8 to 24 The number of bits for the error counter to calculate the difference between two samples of output difference values.
Sample period counter size 4 to 32 Select how many least significant bits (LSB) the IP uses for the sample period counter.
LPF Parameters
Filter Mode

Frequency Mode

Phase Mode

CPU selectable

Select the filter mode

P Gain Mode

Positive Only

Negative Only

CPU selectable

Select the proportional gain modes

I Gain Mode

Positive Only

Negative Only

CPU selectable

Select the integral gain modes

D Term enable On or off Turn on the derivative term logic
D Gain Mode

Positive Only

Negative Only

CPU selectable

Select the derivative gain modes.

LPF to DAC LSB Position 0 to 3 Select the LPF output to DAC least significant bit position. Allows the IP to ignore error wobble by moving the LSB.
VCXO Lock Confidence Counter Size 6 to 32 The lock confidence count size in bits. The number of successive samples with no error before the IP indicates lock.
DAC Parameters
Resolution 8 to 24 PWM DAC value output size. Defines the precision of the value to drive the DAC. Higher number of bits indicates more resolution, and longer time to lock. Fewer bits could decrease the locking time but increase the VCXO jitter.
PMW Output Clock Divider 3 to 4096

The IP divides the VCXO clock by this value (and then by an additional 2). The IP uses the value to drive the DAC output pin.

The value should be low enough to provide a fast response, but not too low to increase VCXO jitter.

Debug
Enable Debug 0 to 2

Extra CPU debugging registers:

  • 0 = Debug off
  • 1 = VCXO and reference clock measurement
  • 2 = PFD status value
Enable Genlock Profiler

Profiler enabled

Profiler disabled

The profiler allows you to measure the difference between receive and transmit video pixel clocks.

The profiler also measures the latency between receive and transmit start-of-frame (SOF) toggle signals.

CPU Clock Frequency 1 MHz to 1 GHz CPU clock frequency for measuring VCXO and reference clock frequencies for debugging,
Figure 96. Genlock Controller IP Parameters