The features and settings of the GPMC are:
- Supported device type: Up to four NAND or NOR protocol external memories or devices
- Operating voltage: 1.8 V, 3.3 V
- Maximum operating frequency provided externally: See the device data manual for precise information.
- Maximum GPMC addressing capability: 512MiB divided into eight chip-selects
- Maximum supported memory size: 256MiB (must be a power-of-two)
- Minimum supported memory size: 16MiB (must be a power-of-two). Aliasing occurs when addressing smaller memories.
- Data path to external memory or device: 8, 16 bits wide
- Burst and page access: burst of 4, 8, 16 Word16
- Supports bus keeping
- Supports bus turnaround