HD6413007F20 Datasheet, PDF (749/798 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

Appendix C I/O Port Block Diagrams
Appendix C I/O Port Block Diagrams
C.1 Port 4 Block Diagram
8-bit bus mode 16-bit bus mode
Write to external
address
P4n
Reset
R
RP4P
Q
D
P4 _n PCR
C
WP4P
Reset
R
Q
D
P4 _nDDR
C
WP4D
Reset
R
Q
D
P4_n DR
C
WP4
RP4
Read external
address
Legend:
WP4P: Write to P4PCR
RP4P: Read P4PCR
WP4D: Write to P4DDR
WP4: Write to port 4
RP4: Read port 4
Note: n = 0 to 7
Figure C.1 Port 4 Block Diagram
Rev.5.00 Sep. 12, 2007 Page 719 of 764
REJ09B0396-0500