Datasheet

Appendix C I/O Port Block Diagrams
R01UH0166EJ0600 Rev. 6.00 Page 1347 of 1434
Mar 02, 2011
H8S/2633 Group, H8S/2633 F-ZTAT
TM
,
H8S/2633R F-ZTAT
TM
, H8S/2695
R
P34DDR
C
QD
Reset
Internal data bus
WDDR3
Reset
WDR3
R
C
QD
P34
RDR3
RODR3
RPOR3
SCI module
IIC0 module
SDA0 output
SDA0 Input
IIC0 output enable
Serial receive
data enable
Serial receive data
RxD1
P34DR
Reset
WODR3
R
C
QD
P34ODR
*
1
*
2
*
3
Notes: 1. Output enable signal
2. Open drain control signal
3. Priority order: IIC output > DR output
Legend:
WDDR3:
WDR3:
WODR3:
RDR3:
RPOR3:
RODR3:
Write to P3DDR
Write to P3DR
Write to P3ODR
Read P3DR
Read port 3
Read P3ODR
Figure C.2 (e) Port 3 Block Diagram (Pin P34)