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AN0012: General Purpose Input Output - Silicon Labs
www.silabs.comAN0012: General Purpose Input Output This application note describes usage of the EFM32 and EFR32 general-purpose input/output (GPIO) subsystem. This document discusses configuration, read and writing pin values, peripheral function routing, external interrupt capability, and use of GPIO pins as producers for the Periph-eral Reflex System (PRS).
AN0021: Analog to Digital Converter - Silicon Labs
www.silabs.comAN0021: Analog to Digital Converter (ADC) This application note describes how to use the Analog to Digital Converter (ADC) of EFM32 Gecko Series 0 and 1 devices to con-vert an analog input voltage to a digital value. Many aspects of the ADC, including inputs, references, and the different operating modes are described.