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GPIO AF mode

Question asked by bit.udi on Jun 6, 2011
Latest reply on Jun 9, 2011 by bit.udi
Lets say i want to connect analog signal to ADC channel12 (which is default pin is PORTC-2).
Should i configure GPIOC-2 mode as: GPIO_Mode_AIN or GPIO_Mode_AF_OD/PP?
I suppose GPIO_Mode_AIN, so when do i use GPIO_Mode_AF_OD/PP?
Thanks - Udi