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MCBSP interface issue

Other Parts Discussed in Thread: TMS320F28335, TMS320F2812

Hi friends,

I am facing issue in interfacing TMS320F2812 McBSP to TMS320F28335. I have connected TMS320F2812 McBSP-A channel to TMS320F28335 McBSP-A channel.Here after transmission of word i am getting proper interrupt but i am not getting proper data.Every time i am receiving 255 at receiver side.I have checked both McBSP in loop back mode on this both processors and its working fine.But when i am trying to send this accross the processors through this channels i am always receiving 255 value.

Please suggest me the way i can come out of this problem.