HD64F2638F20J Datasheet, PDF (1483/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
Appendix C I/O Port Block Diagrams
*2
P35
*1
*3
Reset
R
Q
D
P35DDR
C
WDDR3
Reset
R
Q
D
P35DR
C
WDR3
Reset
R
Q
D
P35ODR
C
WODR3
RODR3
RDR3
SCI module
Serial clock output
enable
Serial clock output
Serial clock input
enable
RPOR3
Serial clock input
IIC0 module^*4
SCL0 output
IIC0 output enable
SCL0 input
Interrupt controller
IRQ5 interrupt input
Legend:
WDDR3: Write to P3DDR
WDR3: Write to P3DR
WODR3: Write to P3ODR
RDR3: Read P3DR
RPOR3: Read port 3
RODR3: Read P3ODR
Notes: 1. Priority order: IIC output > Serial clock output > DR output
2. Output enable signal
3. Open drain control signal
4. The IIC0 module is available as an option in the
H8S/2638, H8S/2639, H8S/2630.
Figure C-2 (f) Port 3 Block Diagram (Pin P35)
REJ09B0103-0800 Rev. 8.00
May 28, 2010
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