This usually happens if the REG_UPDATE bit in the CONTROL register is not set to '1' after changing the VTC Generator timing parameters.
Setting the REG_UPDATE bit to '1' tells the Video Timing Controller that the register settings have been changed.
See the Video Timing Controller Product Guide PG016 for more information.
http://www.xilinx.com/support/documentation/ipaudiovideoimageprocess_processing_ef-di-vid-timing.htm
Please see (Xilinx Answer 32754) for a detailed list of LogiCORE Video Timing Controller Release Notes and Known Issues.
| Answer Number | Answer Title | Version Found | Version Resolved |
|---|---|---|---|
| 32754 | LogiCORE IP Video Timing Controller - Release Notes and Known Issues | N/A | N/A |
| 54541 | LogiCORE IP Video Timing Controller - Release Notes and Known Issues for Vivado 2013.1 and newer tool versions | N/A | N/A |
| AR# 52741 | |
|---|---|
| Date | 08/12/2014 |
| Status | Active |
| Type | General Article |
| IP |
|