RCC APB1L Sleep enable register
| TIM2LPENS | TIM2 sleep enable |
| TIM3LPENS | TIM3 sleep enable |
| TIM4LPENS | TIM4 sleep enable |
| TIM5LPENS | TIM5 sleep enable |
| TIM6LPENS | TIM6 sleep enable |
| TIM7LPENS | TIM7 sleep enable |
| TIM12LPENS | TIM12 sleep enable |
| TIM13LPENS | TIM13 sleep enable |
| TIM14LPENS | TIM14 sleep enable |
| LPTIM1LPENS | LPTIM1 sleep enable |
| WWDGLPENS | WWDG sleep enable |
| TIM10LPENS | TIM10 sleep enable |
| TIM11LPENS | TIM11 sleep enable |
| SPI2LPENS | SPI2 sleep enable |
| SPI3LPENS | SPI3 sleep enable |
| SPDIFRX1LPENS | SPDIFRX1 sleep enable |
| USART2LPENS | USART2 sleep enable |
| USART3LPENS | USART3 sleep enable |
| UART4LPENS | UART4 sleep enable |
| UART5LPENS | UART5 sleep enable |
| I2C1LPENS | I2C1 sleep enable |
| I2C2LPENS | I2C2 sleep enable |
| I2C3LPENS | I2C3 sleep enable |
| I3C1LPENS | I3C1 sleep enable |
| I3C2LPENS | I3C2 sleep enable |
| UART7LPENS | UART7 sleep enable |
| UART8LPENS | UART8 sleep enable |