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Two TMS570 communication with mibspi

Other Parts Discussed in Thread: HALCOGEN, TMS570LS3137

hi,

     I use two TMS570s,one is master,another is slaver.They communicate with MIBSPI.The master use the group 0 ,the slaver use the group 0, the data send and receive is OK.But I change the slaver to group 1,the data is wrong.

The configuration of the group 0 and group 1 : 

    group 0: start buffer addr 0,length 8.

    group 1: start buffer addr 8,length 8.

    the other configuration is the same:buffer mode ,CS,etc.

why group 0 is ok ,but group 1 is not?I use the HALCOGEN to configure.