DBGMCU APB1L peripheral freeze register CPU2
| DBG_TIM2 | TIM2 stop in debug |
| DBG_TIM3 | TIM3 stop in debug |
| DBG_TIM4 | TIM4 stop in debug |
| DBG_TIM5 | TIM5 stop in debug |
| DBG_TIM6 | TIM6 stop in debug |
| DBG_TIM7 | TIM4 stop in debug |
| DBG_TIM12 | TIM12 stop in debug |
| DBG_TIM13 | TIM13 stop in debug |
| DBG_TIM14 | TIM14 stop in debug |
| DBG_LPTIM1 | LPTIM1 stop in debug |
| DBG_WWDG2 | WWDG2 stop in debug |
| DBG_I2C1 | I2C1 SMBUS timeout stop in debug |
| DBG_I2C2 | I2C2 SMBUS timeout stop in debug |
| DBG_I2C3 | I2C3 SMBUS timeout stop in debug |