CPU2 AHB3 peripheral clocks enable in Sleep mode register [dual core device only]
| PKASMEN | PKA accelerator clock enable during CPU2 CSleep mode. |
| AESSMEN | AES accelerator clock enable during CPU2 CSleep mode. |
| RNGSMEN | True RNG clock enable during CPU2 CSleep and CStop mode. |
| SRAM1SMEN | SRAM1 interface clock enable during CPU2 CSleep mode. |
| SRAM2SMEN | SRAM2 memory interface clock enable during CPU2 CSleep mode. |
| FLASHSMEN | Flash interface clock enable during CPU2 CSleep mode. |