h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 1516

• 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 1456 of 1484
REJ09B0103-0600
P32
Legend:
WDDR3:
WDR3:
WODR3:
RDR3:
RPOR3:
RODR3:
*
*
2
3
Write to P3DDR
Write to P3DR
Write to P3ODR
Read P3DR
Read port 3
Read P3ODR
*
1
Figure C-2 (c) Port 3 Block Diagram (Pin P32)
Notes: 1. Priority order: IIC output > Serial clock output > DR output
2. Output enable signal
3. Open drain control signal
4. The IIC1 module is available as an option in the
H8S/2638, H8S/2639, H8S/2630.
Q
Q
Q
P32ODR
P32DDR
WDDR3
WODR3
P32DR
WDR3
Reset
Reset
Reset
R
C
R
C
R
C
RODR3
RDR3
RPOR3
D
D
D
IIC1 module
SCI module
Interrupt controller
SDA1 output
IIC1 output enable
SDA1 input
Serial clock output
enable
Serial clock output
Serial clock input
enable
Serial clock input
IRQ4 interrupt input
*
4