I am trying to drive 8mA through a series resistor and LED and do not wish to use a transistor to do so because of cost requirements. I am wondering if I can use two DIO pins, (each with their own resistors) to drive a single LED so that I can get the required current I need. As of now, I can drive close to 8mA but am seeing a voltage drop on the pin when doing so. The IC I'm using is the CC1312R1F3RGZR.