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# 1.1.13.2 SST26 Driver

This driver provides a non-blocking interface to read, write and erase SST26 Flash memory. The driver uses the below peripheral library to interface with the SST26 Flash.

- QSPI Peripheral Library

  - Supports both SPI mode and Quad IO Mode

- SPI Peripheral Library

  - Supports only SPI mode

- SQI peripheral Library

  - Supports Quad Lane Mode and Single Lane Mode

Key Features:

- Supports Multiple variants of the SST26 Flash devices

- Supports a single instance of the SST26 Flash and a single client to the driver

- Supports Sector/Bulk/Chip Erase Operations

- Supports writes to random memory address within page boundaries

- The library interface is compliant to the block media interface expected by the Memory Driver. This allows running a file system on the AT25DF Flash using the Memory Driver and the File System Service

- The library can be used in both Bare-Metal and RTOS environments