H8S-2345 Datasheet, PDF (889/927 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer

Appendix C I/O Port Block Diagrams
Reset
R
Q
D
P1nDDR
C
WDDR1
Reset
R
Q
D
P1_n
P1nDR
C
WDR1
TPU module
Output compare output/
PWM output enable
RDR1
Output compare output/
PWM output
RPOR1
Legend:
WDDR1 : Write to P1DDR
WDR1 : Write to P1DR
RDR1 : Read P1DR
RPOR1 : Read port 1
Input capture input
External clock input
Note: n = 5 or 7
Figure C.1 (d) Port 1 Block Diagram (Pins P1₅ and P1₇)
Rev. 4.00 Feb 15, 2006 page 865 of 900
REJ09B0291-0400