SPRUIE9D May 2017 – May 2024 DRA74P , DRA75P , DRA76P , DRA77P
| Step | Register/ Bit Field / Programming Model | Value |
|---|---|---|
| Define the number of DDR clock cycles after which the EMIF puts the external SDRAM in Power Down mode, when EMIF is idle. | EMIF_POWER_MANAGEMENT_CONTROL[15:12] PD_TIM | 0x- |
| Enable (enter) the Power-down mode | EMIF_POWER_MANAGEMENT_CONTROL[10:8] LP_MODE | 0x4 |
| Write the shadow register of EMIF_POWER_MANAGEMENT_CONTROL | EMIF_POWER_MANAGEMENT_CONTROL_SHADOW | 0x- |
| Step | Register/ Bit Field / Programming Model | Value |
|---|---|---|
| Change LP_MODE bitfield from 0x4 to any value. | EMIF_POWER_MANAGEMENT_CONTROL[10:8] LP_MODE | 0x- |
| Write the shadow register of EMIF_POWER_MANAGEMENT_CONTROL | EMIF_POWER_MANAGEMENT_CONTROL_SHADOW | 0x- |