H8S43 Datasheet, PDF (1241/1279 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

Appendix C I/O Port Block Diagrams
Reset
R
Q
D
P74DDR
C
WDDR7
Reset
R
P74
Q
D
P74DR
C
WDR7
RDR7
8-bit timer
8-bit timer output enable
8-bit timer output
RPOR7
System controller
Manual reset input
enable
Manual reset input
Legend^:
WDDR7: Write to P7DDR
WDR7: Write to P7DR
RDR7: Read P7DR
RPOR7: Read port 7
Figure C.6 (d) Port 7 Block Diagram (Pin P74)
Rev. 3.00 Jan 11, 2005 page 1185 of 1220
REJ09B0186-0300O