Memory mapping for m65 module

Hello guys,
Can anyone explain/share memory mapping & architecture for Quectel m65 module?
Thanks.

__ROM_START_ADDR = 0x88310000;
__MAX_ROM_SIZE = 320*1024;

__RAM_START_ADDR = 0x823E7000;
__RAM_END_ADDR = 0x82400000;

Thank you very much WiziO.