The status of Write DQS to DQ/DBI Centering Complex can also be determined by decoding the CAL_ERROR result according to the table below. Execute the Tcl commands noted in the Manually Analyzing the XSDB Output section to generate the XSDB output containing the signal results.
| Error Code | Description | Recommended Debug Step |
|---|---|---|
| 55 | Could not find the left edge of valid data window by incrementing DQ and DBI ODELAY (if enabled) together using step size of 10 taps. | Check for a mapping issue. This usually implies a delay is not moving when it should. Check the connections going to the XPHY and ensure the correct RIU is selected based on the byte being adjusted. |
| 56 | Could not find the left edge of valid data window by incrementing DQ and DBI ODELAY (if enabled) together using step size of 1 tap. |
Check for a mapping issue. This usually implies a delay is not moving when it should. Check the connections going to the XPHY and ensure the correct RIU is selected based on the byte being adjusted. |
| 57 | Could not find the right edge of valid data window by incrementing DQS ODELAY using step size of 10 taps. | Check for a mapping issue. This usually implies a delay is not moving when it should. Check the connections going to the XPHY and ensure the correct RIU is selected based on the byte being adjusted. |
| 58 | Could not find the right edge of valid data window by incrementing DQS ODELAY using step size of 1 tap. | Check for a mapping issue. This usually implies a delay is not moving when it should. Check the connections going to the XPHY and ensure the correct RIU is selected based on the byte being adjusted. |
| 59 | Positive sanity check failed. | Check CAL_ERROR_BIT_*_*, CAL_ERROR_DATA_NIBBLE_*_*, CAL_ERROR_PHY_NIBBLE_*_* XSDB registers to determine which nibbles/bits failed. Check margin found during previous stages of calibration for the given byte that failed. |
| 60 | Could not find the right edge of valid data window by decrementing DQ ODELAY using step size of 10 taps. | Check for a mapping issue. This usually implies a delay is not moving when it should. Check the connections going to the XPHY and ensure the correct RIU is selected based on the byte being adjusted. |
| 61 | Could not find the right edge of valid data window by decrementing DQ ODELAY using step size of 1 taps. | Check for a mapping issue. This usually implies a delay is not moving when it should. Check the connections going to the XPHY and ensure the correct RIU is selected based on the byte being adjusted. |
| 62 | Positive sanity check 1 failed. | Check CAL_ERROR_BIT_*_*, CAL_ERROR_DATA_NIBBLE_*_*, CAL_ERROR_PHY_NIBBLE_*_* XSDB registers to determine which nibbles/bits failed. Check margin found during previous stages of calibration for the given byte that failed. |
| 63 | Write complex read DQS oscillator value to be 0. | |
| 64 | Write complex computed tDQS2DQ value to be out of range. |