The core supports 24-bit and 32-bit addressing modes. Unsupported commands/features for this memory are:
•All the double data rate (DDR) commands are not supported in any mode of the core.
•Spansion Flash supports 32-bit addressing mode with 24-bit address commands provided the ExtAddr bit is set to 1. This feature is not supported by the core.
•Autoboot commands of Spansion Flash are not supported by the core in any mode.