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bf70x figure 27-1

Question asked by verysmallbits on Apr 25, 2017
Latest reply on May 26, 2017 by Jithul_Janardhanan

Figure 27-1 shows a mux between the SPI_MOSI and SPI_MISO pins.


i would assume that this is so that when in 3-wire mode, you can read back data that comes in on the MOSI pin.


however it's not obvious from the register descriptions what controls that mux, or how you can be usre you are reading from the MOSI pin instead of the MISO pin.


Howe does that work ?