EFM32 Starter kit pins ADC tape sensor PD0-PD7. ADC0 Channel 0-7. Motor PWM PE0: Timer3 channel 0 location 1. PE1: Timer3 channel 1 location 1. Direction Use any of PE2, PE3, A12, A13, A14. Pynq Communication PC0-PC7: PC1 and PC2 next to USB-micro. PC0 and PC3-PC7 on expansion header.