APB1 peripheral reset register
| TMR2RST | Timer 2 reset |
| TMR3RST | Timer 3 reset |
| TMR4RST | Timer 4 reset |
| TMR5RST | Timer 5 reset |
| WWDTRST | Window watchdog timer reset |
| SPI2RST | SPI2 reset |
| USART2RST | USART 2 reset |
| USART3RST | USART 3 reset |
| UART4RST | UART 4 reset |
| UART5RST | UART 5 reset |
| I2C1RST | I2C1 reset |
| I2C2RST | I2C2 reset |
| USBRST | USB reset |
| CAN1RST | CAN1 reset |
| BPRRST | Battery powered domain register reset |
| PWCRST | Power controller reset |
| CAN2RST | CAN2 reset |