RCC APB1L Sleep enable register
| TIM2LPENC | TIM2 sleep enable |
| TIM3LPENC | TIM3 sleep enable |
| TIM4LPENC | TIM4 sleep enable |
| TIM5LPENC | TIM5 sleep enable |
| TIM6LPENC | TIM6 sleep enable |
| TIM7LPENC | TIM7 sleep enable |
| TIM12LPENC | TIM12 sleep enable |
| TIM13LPENC | TIM13 sleep enable |
| TIM14LPENC | TIM14 sleep enable |
| LPTIM1LPENC | LPTIM1 sleep enable |
| WWDGLPENC | WWDG sleep enable |
| TIM10LPENC | TIM10 sleep enable |
| TIM11LPENC | TIM11 sleep enable |
| SPI2LPENC | SPI2 sleep enable |
| SPI3LPENC | SPI3 sleep enable |
| SPDIFRX1LPENC | SPDIFRX1 sleep enable |
| USART2LPENC | USART2 sleep enable |
| USART3LPENC | USART3 sleep enable |
| UART4LPENC | UART4 sleep enable |
| UART5LPENC | UART5 sleep enable |
| I2C1LPENC | I2C1 sleep enable |
| I2C2LPENC | I2C2 sleep enable |
| I2C3LPENC | I2C3 sleep enable |
| I3C1LPENC | I3C1 sleep enable |
| I3C2LPENC | I3C2 sleep enable |
| UART7LPENC | UART7 sleep enable |
| UART8LPENC | UART8 sleep enable |