Linker file for NOR boot in ICE V2

Hi all,

I was going through the linker file / .cmd file for NOR boot in ICE V2 and I sections of memory mapping:-

* SPECIFY THE SYSTEM MEMORY MAP */

MEMORY
{
NOR_MEM : org = 0x08000000 len = 0x10000 /* RAM */
IRAM_MEM : org = 0x402F0400 len = 0x1FBFF /* RAM */
}

Here does NOR_MEM : org = 0x08000000 len = 0x10000 /* RAM */ mean 65,535 bytes are allocated for CSN0 i.e. on board NOR FLash? Why so when the memory is 16MB?

Again why the system memory map does not talk about system memory mapped to DDR3 and why only NOR and Internal SRAM?