Enabling and disabling GPIO peripheral clock   In this article, let’s understand about enabling and disabling of GPIO peripheral clocks. RCC is the engine that controls the clock for all…

    Alternate functionality setting of GPIO pin with example   When GPIO pin is in alternate functionality mode, it can be used for 16 different functionalities from AF0 to…

GPIO Output data register and summary of various modes discussed     GPIO Output data register is used to control the I/O state of the I/O pins. Here only16-bits are…

GPIO Input data register   GPIO input data register is used to read the I/O state of particular GPIO pin or GPIO port. Here you can only read this register…

GPIO Pull-up and Pull-down registers   GPIO Pull-up and Pull-down registers are used to control the internal or external pull-up and pull-down registers. An entire register divide into 16 groups.…

GPIO output speed register and its applicability   GPIO output speed register means, as the name indicates the configuring speed register and it is only applicable when the GPIO pin…