h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 1130

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Appendix C I/O Port Block Diagrams
Rev. 5.00 Sep 22, 2005 page 1104 of 1136
REJ09B0257-0500
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.3 (e) Port 3 Block Diagram (Pin P34)
Notes: 1. Output enable signal
2. Open drain control signal
Q
Q
Q
P34ODR
P34DDR
WODR3
WDDR3
P34DR
WDR3
Reset
Reset
Reset
R
C
R
C
R
C
RODR3
RDR3
RPOR3
D
D
D
SCI module
Serial receive
data enable
Serial receive data
RxD1