Hello ereryone, i'm a freshman about bf533.now i'm faced a problem which confule me about one weeked. that is: I want use the sport0'Rx and spi'Rx port to receive two group of datas. then employ subtraction on these two group datas after the two group data was normalizated. in order not to lose data, i use pingpong method. the bf533 EZ-KIT Lite has 4 input jarks and 6 output jarks. now my queston is how i can discriminate the input jarks. how i konw the spi input jack and sport0 input jark. i has read the visul dsp++'s example ,the project is C_Talkthrough_TDM. what functon about iChannel0LeftIn iChannel0RightOut in project. hope have explain the problem clearly .who can help me,thank you vevy much.