Hitachi H8S/2678 Series Reference Manual page 268

Bit 2—Address 18 Enable (A18E): Enables or disables output for address output 18 (A18). Valid
only in modes 4 and 7.
Bit 2
A18E Description
0 DR output when PA2DDR = 1
1 A18 output when PA2DDR = 1
Bit 1—Address 17 Enable (A17E): Enables or disables output for address output 17 (A17). Valid
only in modes 4 and 7.
Bit 1
A17E Description
0 DR output when PA1DDR = 1
1 A17 output when PA1DDR = 1
Bit 0—Address 16 Enable (A16E): Enables or disables output for address output 16 (A16). Valid
only in modes 4 and 7.
Bit 0
A16E Description
0 DR output when PA0DDR = 1
1 A16 output when PA0DDR = 1
(Initial value)
(Initial value)
(Initial value)
251