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STM32F038X6 Datasheet, PDF (14/102 Pages) STMicroelectronics – Clock management | |||
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Functional overview
Figure 2. Clock tree
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3.7
General-purpose inputs/outputs (GPIOs)
Each of the GPIO pins can be configured by software as output (push-pull or open-drain), as
input (with or without pull-up or pull-down) or as peripheral alternate function. Most of the
GPIO pins are shared with digital or analog alternate functions.
The I/O configuration can be locked if needed following a specific sequence in order to
avoid spurious writing to the I/Os registers.
14/102
DocID026079 Rev 5
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