STM32F4xx_HAL_Driver  1.8.3
APB2 Peripheral Clock Enable Disable

Enable or disable the High Speed APB (APB2) peripheral clock.

+ Collaboration diagram for APB2 Peripheral Clock Enable Disable:

Enable or disable the High Speed APB (APB2) peripheral clock.

Note
After reset, the peripheral clock (used for registers read/write access) is disabled and the application software has to enable this clock before using it.