Intel 80C186EA User Manual page 84

Y + 1
X + 1
A19:1 D15:8
Y + 1
(X + 1)
A19:1
D15:8
Figure 3-2. 16-Bit Data Bus Byte Transfers
Even Byte Transfer
BHE
(High)
Odd Byte Transfer
BHE
(Low)
BUS INTERFACE UNIT
Y
(X)
D7:0 A0
(Low)
Y
X
D7:0
A0
(High)
A1104-0A
3-3