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Configures the tRRD timing parameter. This determines the delay applied after an ACTIVATE command before another ACTIVATE command is issued to the same rank. The _l and _s fields apply to the same bank group, a different bank group, and different logical rank, respectively, as described in the DDR4 specification. Access restrictions: RO Can be read from when in ALL states. Cannot be written to and only updated when in CONFIG, LOW-POWER or PAUSED states.
The t_rrd_now register characteristics are:
There are no usage constraints.
There is only one DMC configuration.