Adafruit_SPIFlash/README.md

Adafruit SPI Flash

Arduino library for external (Q)SPI flash device.

Supported Cores

• adafruit/Adafruit_nRF52_Arduino
• adafruit/ArduinoCore-samd
• earlephilhower/arduino-pico
• espressif/arduino-esp32

Features

• Support SPI interfaces for all cores
• Support QSPI interfaces for nRF52 and SAMD51
• Support FRAM flash devices
• Provide raw flash access APIs
• Implement block device APIs from SdFat's BaseBlockDRiver with caching to facilitate FAT filesystem on flash device