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[lis3dx] What should the FSS[4:0] be valued when the fifo is full

Question asked by Kefei Yao on Mar 20, 2018
Latest reply on Mar 20, 2018 by Kefei Yao

FSS[4:0] contains the unread samples stored in the FIFO. So when the EMPTY is 1, the FSS[4:0] is 0. But when the OVRN_FIFO is 1, the FSS[4:0] should be 32 but it can't. So when FSS[4:0] is 31 we should check the OVRN_FIFO flag to judge the real unread sample number. Is that correct?

 

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