#1. Does “64GByte address space” means 64*(1024^3)8 of different addresses?
#2. Or 64(1024^3) different addresses and each locations is 1 byte wide. According to the documentation that I am reading (not sharable) a 36 bits address is used (2^36=64G). Thus the expression of “64GByte address space” means #2. But why not use just “64G address space”? Is there a convention for this?
In reply to leonelh:
You should ask the person who wrote the document. Memories are sized in bytes, but memory layout impacts the address width.
A 64 GByte address space usually means having an address width to individually access 68,719,476,735 bytes, each byte having 8 bits.