RCC AHB4 Sleep Clock Register
| GPIOALPEN | GPIO peripheral clock enable during CSleep mode |
| GPIOBLPEN | GPIO peripheral clock enable during CSleep mode |
| GPIOCLPEN | GPIO peripheral clock enable during CSleep mode |
| GPIODLPEN | GPIO peripheral clock enable during CSleep mode |
| GPIOELPEN | GPIO peripheral clock enable during CSleep mode |
| GPIOFLPEN | GPIO peripheral clock enable during CSleep mode |
| GPIOGLPEN | GPIO peripheral clock enable during CSleep mode |
| GPIOHLPEN | GPIO peripheral clock enable during CSleep mode |
| GPIOILPEN | GPIO peripheral clock enable during CSleep mode |
| GPIOJLPEN | GPIO peripheral clock enable during CSleep mode |
| GPIOKLPEN | GPIO peripheral clock enable during CSleep mode |
| CRCLPEN | CRC peripheral clock enable during CSleep mode |
| BDMALPEN | BDMA Clock Enable During CSleep Mode |
| ADC3LPEN | ADC3 Peripheral Clocks Enable During CSleep Mode |
| BKPRAMLPEN | Backup RAM Clock Enable During CSleep Mode |
| SRAM4LPEN | SRAM4 Clock Enable During CSleep Mode |