DDR5 RTT有五种模式: RTT_WR:在写入操作时启用,调整写操作的时序。 RTT_NOM_RD:在读操作时启用,特别是在读命令的第二脉冲时。 RTT_NOM_WR:在写操作时启用,特别是在写命令的激活时。 RTT_PARK:在读写命令未激活时启用,提供一个默认的电阻值。 DQS_RTT_PARK:在DQS...
To stabilize the system, first we have to check the neighboring RTT / PARK values and only then try to change the procODT. You should not be in a hurry to change the CAD, as there are too many variables and you may lose a lot of time trying to stabilize the system. There are seve...