AHB3 peripheral clocks enable in Sleep and Stop modes register
| QSPISMEN | QSPISMEN |
| PKASMEN | PKA accelerator clocks enable during CPU1 sleep mode |
| AES2SMEN | AES2 accelerator clocks enable during CPU1 sleep mode |
| RNGSMEN | True RNG clocks enable during CPU1 sleep mode |
| SRAM2SMEN | SRAM2a and SRAM2b memory interface clocks enable during CPU1 sleep mode |
| FLASHSMEN | Flash interface clocks enable during CPU1 sleep mode |