There are a few things to consider when choosing a flash part for application purposes. This application report covers some of the basic requirements that a specific flash memory must support to be compatible with the AM263x device during both boot operation and application execution.
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The QSPI Flash memory can be utilized two different ways in the user system:
When picking a Flash memory IC, the device must comply with all boot requirements of the system-on-chip (SoC). If the memory is used as boot media, some guidelines must be followed to work efficiently as a storage device during application.
Figure 1-1 depicts the Flash memory organization once the secondary bootloader (SBL) image and valid application image are present.