https://community.nxp.com/t5/MPC5xxx/MPC5643L-DSPI/m-p/474545#M2076 <HTML><HEAD></HEAD><BODY><P>Hello, I am working on read and write the EEPROM by DSPI. And I found that as soon as I send a word the status register</P><P>DSPI_0.SR.B.RFDF will be set and I try to write 1 to this bit. As the datasheet said DSPI_0.SR.B.RFDF is cleared will be expected. But it doesn't work. I don't know why.</P></BODY></HTML> Fri, 01 Apr 2016 07:21:09 GMT haotianwei1983 2016-04-01T07:21:09Z https://community.nxp.com/t5/MPC5xxx/MPC5643L-DSPI/m-p/474545#M2076 <HTML><HEAD></HEAD><BODY><P>Hello, I am working on read and write the EEPROM by DSPI. And I found that as soon as I send a word the status register</P><P>DSPI_0.SR.B.RFDF will be set and I try to write 1 to this bit. As the datasheet said DSPI_0.SR.B.RFDF is cleared will be expected. But it doesn't work. I don't know why.</P></BODY></HTML> Fri, 01 Apr 2016 07:21:09 GMT https://community.nxp.com/t5/MPC5xxx/MPC5643L-DSPI/m-p/474545#M2076 haotianwei1983 2016-04-01T07:21:09Z https://community.nxp.com/t5/MPC5xxx/MPC5643L-DSPI/m-p/474546#M2077 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>You did not share your code.</P><P>But did you also read the RX FIFO? The RFDF should be cleared after the DSPIx_POPR register is read.</P><P>Also use the register access to clear flags in DSPIx_SR register.</P><P></P><P>BR, Petr.</P></BODY></HTML> Fri, 01 Apr 2016 08:16:59 GMT https://community.nxp.com/t5/MPC5xxx/MPC5643L-DSPI/m-p/474546#M2077 PetrS 2016-04-01T08:16:59Z