58.6.8.2 Suspend

The QSPI suspend procedure is as follows.

  1. Send a QSPI_CR.LASTXFER command.
  2. Wait for QSPI_SR.RBUSY = 0 and QSPI_SR.HIDLE = 1.
  3. Set QSPI_CR.QSPIDIS and wait for QSPI_SR.QSPIENS = 0.
  4. Disable the GCLK clock.
  5. Disable the peripheral clock.