Both of the 2 diagrams are daisy-chain - just cpu is in different location. since any device could be master, the cpu makes no differences with others. Cpu usually has abiter, no related to data signals. # ^ {- C1 U7 q$ A, P/ }. B( w- ?* _2 S" k6 E7 ]$ V& ~( H
My opinin: Both are OK.