Hitachi H8/3048 Hardware Manual page 833

C.3 Port 3 Block Diagram
www.DataSheet4U.com
Hardware standby
P3
n
WP3D: Write to P3DDR
WP3: Write to port 3
RP3: Read port 3
n = 0 to 7
External
bus released
Write to external
address
Mode 7
Mode
1 to 6
Read external
address
Figure C-3 Port 3 Block Diagram
826
Reset
R
Mode 7
Q
P3 DDR
n
C
WP3D
Reset
R
Q
P3 DR
n
C
WP3
RP3
D
D