RCC APB1 Low Sleep Clock Register
| TIM2LPEN | TIM2 peripheral clock enable during CSleep mode |
| TIM3LPEN | TIM3 peripheral clock enable during CSleep mode |
| TIM4LPEN | TIM4 peripheral clock enable during CSleep mode |
| TIM5LPEN | TIM5 peripheral clock enable during CSleep mode |
| TIM6LPEN | TIM6 peripheral clock enable during CSleep mode |
| TIM7LPEN | TIM7 peripheral clock enable during CSleep mode |
| TIM12LPEN | TIM12 peripheral clock enable during CSleep mode |
| TIM13LPEN | TIM13 peripheral clock enable during CSleep mode |
| TIM14LPEN | TIM14 peripheral clock enable during CSleep mode |
| LPTIM1LPEN | LPTIM1 Peripheral Clocks Enable During CSleep Mode |
| WWDG2LPEN | WWDG2 Clock Enable During CSleep Mode |
| SPI2LPEN | SPI2 Peripheral Clocks Enable During CSleep Mode |
| SPI3LPEN | SPI3 Peripheral Clocks Enable During CSleep Mode |
| SPDIFRXLPEN | SPDIFRX Peripheral Clocks Enable During CSleep Mode |
| USART2LPEN | USART2 Peripheral Clocks Enable During CSleep Mode |
| USART3LPEN | USART3 Peripheral Clocks Enable During CSleep Mode |
| UART4LPEN | UART4 Peripheral Clocks Enable During CSleep Mode |
| UART5LPEN | UART5 Peripheral Clocks Enable During CSleep Mode |
| I2C1LPEN | I2C1 Peripheral Clocks Enable During CSleep Mode |
| I2C2LPEN | I2C2 Peripheral Clocks Enable During CSleep Mode |
| I2C3LPEN | I2C3 Peripheral Clocks Enable During CSleep Mode |
| HDMICECLPEN | HDMI-CEC Peripheral Clocks Enable During CSleep Mode |
| DAC12LPEN | DAC1/2 peripheral clock enable during CSleep mode |
| USART7LPEN | USART7 Peripheral Clocks Enable During CSleep Mode |
| USART8LPEN | USART8 Peripheral Clocks Enable During CSleep Mode |