PeripheralsΒΆ The following list offers an overview of all available peripheral IP cores. General-Purpose I/O (GPIO) Pin Multiplexer (Pinmux) Programmable I/O (PIO) Pulse-Width Modulation (PWM) General-Purpose Timer Universal Asynchronous Receiver-Transmitter (UART) Inter-Integrated Circuit (I2C) Device Inter-Integrated Circuit (I2C) Controller