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Question about Clock enable

Question asked by Uwe Bonnes on Nov 3, 2014
Latest reply on Nov 3, 2014 by Clive One

let us assume I want to put all pins of GPIOA into pull-up, but don't need GPIOA later. After enabling RCC_AHB1ENR_GPIOAEN and setting the mode in GPIOA can I safely disable RCC_AHB1ENR_GPIOAEN again without affecting the status set to GPIOA? Does the same hold e.g. for SYSCFG when some Interrupt remap is needed? Can the SYSCFG clock be disabled after doing the remap?