äBus
interface
ä8
bit data bus
ä20
bit address bus, each byte in memory is accessible
ä16
bit registers
äPoints
to a byte, can be used to point to words of 2 bytes as well, need to decide on
order of bytes for 2 byte words
ä
ä
ä
ä
ä
äHow
do the 16 bit registers work with 20 bit addresses? We will take a look
soon....
äControl
bus, beyond the scope of this course