Quad Serial Peripheral Interface

The Quad Serial Peripheral Interface (QSPI) slave interface is compatible with the nRF52 and nRF53 Series QSPI master and Serial Peripheral Interface (SPI) master.

The main features of the QSPI slave interface are:

• Single/quad SPI input/output
• Supports up to 32 MHz clock frequency
• Single and block mode read/write accesses
• On-the-fly encryption and decryption