System Memories

System RAM and ROM

Table 1. System Memories
Memory Base Address Size
System RAM 0xc0000000 256M
System ROM 0xd0000000 16M
System memory covers the entire 32-bit address space that is not mapped to any configured local memory port. Generally, system memories are not part of the processor configuration, but:

Beyond the limitations noted above, system memories can be added, removed, resized and repositioned as desired in your final system without rebuilding the processor on the XPG. See the Xtensa Linker Support Packages (LSPs) Reference Manual for information on changing and regenerating linker scripts to match the memory you intend to use with software support.