Appendix C I/O Block Diagrams; Port 1 Block Diagram - Hitachi H8/3022 Hardware Manual

C.1 Port 1 Block Diagram
P1
n
WP1D: Write to P1DDR
WP1: Write to port 1
RP1: Read port 1
n = 0 to 7
Set priority
*:

Appendix C I/O Block Diagrams

Software standby
Hardware standby
Modes 6 and 7
Modes 1, 3, and 5
Figure C-1 Port 1 Block Diagram
Modes 6 and 7
Modes 1, 3, and 5
Reset
S R
Q D
P1 DDR
n
C *
WP1D
Reset
R
Q D
P1 DR
n
C
WP1
RP1
635