HD64F3028F25 Datasheet, PDF (867/925 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

Appendix C I/O Port Block Diagrams
C.1 Port 1 Block Diagram
Software
standby
SSOE
Hardware standby
External bus
released
Mode 6/7
Mode 1 to 4
Reset
R
Q
D
P1 _n DDR
C
WP1D
Mode 6/7
P1n
Reset
R
Q
D
P1 _nDR
Mode
1 to 5
C
WP1
RP1
WP1D: Write to P1DDR
WP1: Write to port 1
RP1: Read port 1
SSOE: Software standby output port enable
n = 0 to 7
Figure C.1 Port 1 Block Diagram
Rev. 2.00, 09/03, page 835 of 890