Hitachi H8S/2633 Hardware Manual page 1123

* 1
P31
*
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-2 (b) Port 3 Block Diagram (Pin P31)
Notes: 1. Output enable signal
2. Open drain control signal
Reset
R
Q D
P31DDR
C
WDDR3
Reset
R
Q D
P31DR
C
WDR3
Reset
R
Q D
P31ODR
C
WODR3
RODR3
SCI module
Serial receive data
enable
RDR3
RPOR3
Serial receive data
RxD0/IrRxD
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