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