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How to set BF512 PPI  fs when it works in RX mode, 2 external frame syncs mode

Question asked by Sue.Wu Employee on Nov 8, 2011
Latest reply on Nov 8, 2011 by Prashant

Hi Guys,


In BF512, when PPI works in RX mode, 2  external frame syncs mode, in hardware manual, it says

we should provide an external pull-down to GND for the PPI_FS3 pin.


However the PPI_FS pin is multiplexing with SPI0 boot CS signal, if we choose SPI0 Flash boot mode, we should connect SPI0_CS to high.


How should we resolve this conflict? Can we connect the PPI_FS3 pin to GND directly? thanks!