This anomaly applies to IC Rev. Engineering D, build codes CLAA-DA0, QKAA-DB0.
Application
QSPI is unstable or not working at all.
Always.
QSPI does not work as expected.
NRF_QSPI.IFCONFIG0 |= ((1<<16) | (1<<17));
NRF_QSPI.IFCONFIG0 &= ~(1<<17);
NRF_QSPI.IFCONFIG0 |= (1<<16);