"HBM3 has an issue with independent operation of pseudochannels."

[najun-auto]

There is an issue with independent operation of HBM3 Pseudochannels. In order to achieve true independent operation, different Pseudochannels should be able to have different commands even within the same clock cycle. However, the current code has a problem where there needs to be a minimum difference of 1 clock cycle.

[hmkoh728]

Two pseudo channels share command decoder, so that they interleave between 0 and 1 at least every 1 clock cycle. Power-down and self-refresh commands are applied to both pseudo channels (one channel).