Hitachi H8S/2646 Hardware Manual page 1121

*1
P3n
*2
Legend
WDDR3
: Write to P3DDR
WDR3
: Write to P3DR
WODR3
: Write to P3ODR
RDR3
: Read P3DR
RPOR3
: Read port 3
RODR3
: Read P3ODR
n = 6 or 7
Figure C-3 (g) Port 3 Block Diagram (Pins P36 and P37)
Reset
Q
P3nDDR
WDDR3
Reset
Q
P3nDR
WDR3
Reset
Q
P3nODR
WODR3
Notes: *1 Output enable signal
*2 Open drain control signal
R
D
C
R
D
C
R
D
C
RODR3
RDR3
RPOR3
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