Hitachi H8/3048 Hardware Manual page 841

C.8 Port 8 Block Diagrams
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P8
0
WP8D: Write to P8DDR
WP8: Write to port 8
RP8: Read port 8
Figure C-8 (a) Port 8 Block Diagram (Pin P8
Reset
R
Q
P8 DDR
0
C
WP8D
Reset
R
Q
P8 DR
0
C
Mode 7
WP8
RP8
834
D
D
Refresh
controller
Output
enable
RFSH
output
Interrupt
controller
IRQ
0
input
)
0