SPRUIU1D July 2020 – December 2024 DRA821U , DRA821U-Q1
There are registers within the CTRL_MMR0 module address space that are used to dynamically change the DDR clock frequency to support LPDDR4 Frequency Set Point (FSP). These registers are shown in Table 5-693. For more information, see Section 8.2.4.5 DDRSS Dynamic Frequency Change Interface in Chapter 8 Memory Controllers.
| Register Name | Register Name |
|---|---|
| CTRLMMR_CHNG_DDR4_FSP_REQ | CTRLMMR_DDR4_FSP_CLKCHNG_REQ |
| CTRLMMR_CHNG_DDR4_FSP_ACK | CTRLMMR_DDR4_FSP_CLKCHNG_ACK |