Hi,
We are developing a product with the nrf5340 and an external QSPI FLASH which contains bitmap images for display rendering. We noticed the nrfx qspi driver incorporates fixes for errata 121, setting the IFTIMING->RSDELAY value to "6". How does this affect the maximum QSPI clock frequency we can use? If we set the 192Mhz QSPI clock prescaler to 1, I'm assuming the QSPI peripheral samples 6/192Mhz = 31.25ns after the rising edge of the QSPI clock signal. Since the QSPI clock PERIOD would have to be >= 2x the sample period, the maximum QSPI clock frequency would be 16Mhz. Is this correct?
