Hitachi H8S/2633 Hardware Manual page 1146

C.9 Port D Block Diagram
PDn
1134
Legend
WDDRD : Write to PDDDR
WDRD : Write to PDDR
WPCRD : Write to PDPCR
RDRD : Read PDDR
RPORD : Read port D
RPCRD : Read PDPCR
n= 1 to 7
Figure C-9 Port D Block Diagram (Pin PDn)
External address
write
Mode 7
Mode 4/5/6
External address
upper write
External address upper read
Reset
R
Q D
PDnPCR
C
WPCRD
RPCRD
Reset
R
Q D
PDnDDR
C
WDDRD
Reset
R
Q D
PDnDR
C
WDRD
RDRD
RPORD