Hi,
We are developing a device using the nRF5340 DK and need to add external Flash memory accessible via QSPI with XIP, as the available memory is insufficient due to DFU requirements, which halve the memory available for the application.
Additionally, we need to communicate with an nRF7002 EK to enable the coexistence of Wi-Fi and Bluetooth LE.
- Is it possible to share the QSPI bus to communicate with both the nRF7002 and the external memory (using XIP)?
- Is it possible to share an SPI bus to communicate with the nRF7002 and other SPI peripherals?
- What are the constraints of using SPI compared to QSPI?
- Do you have sample code I could use as a reference?