ZiLOG Z80380 User Manual page 13

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