h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 1518

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Appendix C I/O Port Block Diagrams
Rev. 6.00 Feb 22, 2005 page 1458 of 1484
REJ09B0103-0600
P34
Legend:
WDDR3:
WDR3:
WODR3:
RDR3:
RPOR3:
RODR3:
*
*
1
2
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)
3
Notes: 1. Output enable signal
2. Open drain control signal
3. Priority order: IIC output > DR output
4. The IIC0 module is available as an option in the
H8S/2638, H8S/2639, H8S/2630.
Q
Q
Q
P34DDR
P34ODR
WODR3
WDDR3
P34DR
WDR3
Reset
Reset
Reset
R
C
R
C
R
C
RODR3
RDR3
RPOR3
D
D
D
SCI module
IIC0 module
Serial receive
data enable
SDA0 output
IIC0 output enable
SDA0 Input
Serial receive data
RxD1
*
4