C.3 Port 3 Block Diagram - Renesas F-ZTAT H8 Series Hardware Manual

Appendix C I/O Port Block Diagrams
C.3 Port 3 Block Diagram
P3
n
WP3D: Write to P3DDR
WP3: Write to port 3
RP3: Read port 3
n = 0 to 7
Rev. 7.00 Sep 21, 2005 page 846 of 878
REJ09B0259-0700
Hardware standby
External
bus released
Mode 7
Mode
1 to 6
Read external
address
Figure C.3 Port 3 Block Diagram
Mode 7
Q
Write to external
address
Q
RP3
Reset
R
D
P3 DDR
n
C
WP3D
Reset
R
D
P3 DR
n
C
WP3