The address range assigned to the OCM memory exists in the higher 256 KB in the 4 GB address map (32-bit addresssing). This cannot be modified.
The 256 KB RAM array is mapped to a high address range
0xFFFF_FFFF) in a granularity
of four independent 64 KB banks. Each bank is on a separate power island controlled
by the PMC. The mapping summary is listed in the following table.
|Memory Bank||Address Range||Size|