APB2 peripheral reset register (RCC_APB2RSTR)
| AFIORST | Alternate function I/O reset |
| IOPARST | IO port A reset |
| IOPBRST | IO port B reset |
| IOPCRST | IO port C reset |
| IOPDRST | IO port D reset |
| IOPERST | IO port E reset |
| IOPFRST | IO port F reset |
| IOPGRST | IO port G reset |
| ADC1RST | ADC 1 interface reset |
| ADC2RST | ADC 2 interface reset |
| SPI1RST | SPI 1 reset |
| USART1RST | USART1 reset |
| TIM9RST | TIM9 timer reset |
| TIM10RST | TIM10 timer reset |
| TIM11RST | TIM11 timer reset |