Hitachi H8S/2646 Hardware Manual page 1119

*1
P34
*2
Legend
WDDR3
: Write to P3DDR
WDR3
: Write to P3DR
WODR3
: Write to P3ODR
RDR3
: Read P3DR
RPOR3
: Read port 3
RODR3
: Read P3ODR
Figure C-3 (e) Port 3 Block Diagram (Pin P34)
Q
P34DDR
WDDR3
Q
Q
P34ODR
WODR3
Notes: *1 Output enable signal
*2 Open drain control signal
Reset
R
D
C
Reset
R
D
P34DR
C
WDR3
Reset
R
D
C
RODR3
SCI module
Serial receive
data enable
RDR3
RPOR3
Serial receive data
RxD1
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