The fastest is still the C native library, topping out at just under 42 MHz. Other languages and libraries are much slower, but the RPi.GPIO Python library stukk sees a 2.5x increase.

Yes, for most applications you really don’t need incredibly fast GPIO, but for the one time in ... scope revealed he was now toggling pins at 2.8 Megahertz, or just about a thousand times ...

The 2.5V General Purpose I/O library provides bidirectional I/O, isolated analog I/O, and a full complement of power cells along with corner and spacer cells to assemble a complete pad ring ... The ...

Figure 2: General GPIO IP Every system contains such GPIO IP, and we need to put effort and time to create verification components to verify the GPIOs. To avoid duplicate effort spent on different ...