HD64F2636F20 Datasheet, PDF (1479/1512 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
*1
P31
*2
Reset
R
QD
P31DDR
C
WDDR3
Reset
R
QD
P31DR
C
WDR3
Reset
R
QD
P31ODR
C
WODR3
RODR3
RDR3
SCI module
Serial receive data
enable
RPOR3
Serial receive data
RxD0
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. Output enable signal
2. Open drain control signal
Figure C-2 (b) Port 3 Block Diagram (Pin P31)
REJ09B0103-0800 Rev. 8.00
May 28, 2010
Page 1429 of 1458