Affected devices and configurations:
- Versal GTM in all I/Q/M/E temperature grades.
- Current or future PAM4 configurations with 38 Gb/s and above. Configurations with PAM4 below 38 Gb/s or NRZ for all line rates are unaffected.
When the GTM transceiver is not currently used but is configured, in certain operating conditions (see Table 1) Vivado 2024.1 or later must be used to ensure that any future use of that transceiver meets the data sheet specifications.
Table 1: conditions where using Vivado 2024.1 or later is required:
|
GT QUAD Use Case |
Instantiation |
Held in power down |
Held in reset |
Future use |
Required to use Vivado 2024.1 or later |
|
Mission mode |
Yes |
No |
No |
Yes |
No |
|
Un-instantiated |
No |
N/A |
N/A |
Yes |
Yes |
|
No |
N/A |
N/A |
No |
No | |
|
TX Power down (pin/attribute) |
Yes |
Yes |
N/A |
Yes |
No |
|
Yes |
Yes |
N/A |
No |
No | |
|
RX Power down (pin/attribute) |
Yes |
Yes |
N/A |
Yes |
Yes |
|
Yes |
Yes |
N/A |
No |
No | |
|
In TX Reset |
Yes |
No |
Yes |
Yes |
No |
|
Yes |
No |
Yes |
No |
No | |
|
In RX Reset |
Yes |
No |
Yes |
Yes |
Yes |
|
Yes |
No |
Yes |
No |
No | |
|
Power down (transceiver power supply rails are off) |
N/A |
N/A |
N/A |
N/A |
No |