Zilog Z80380 - Manual (Page 20)

2-5
Z380 ™
U SER ' S M ANUAL Z ILOG
DC-8297-03
7 6 5 4 3 2 1 0
Bits within a byte:
16-bit word at address n:
Least Significant Byte
Most Significant Byte
Address n
Address n+1
32-bit word at address n:
D7-0 (Least Significant Byte)
D15-8
Address n
Address n+1
Address n+2
Address n+3 D31-24 (Most Significant Byte)
D23-16
Memory addresses:
Least Significant Byte
Even address (A0=0)
Most Significant Byte
Odd address (A0=1)
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Figure 2-2. Bit/Byte Ordering Conventions