Datasheet

Appendix C I/O Port Block Diagrams
Rev. 4.00 Sep 27, 2006 page 1107 of 1130
REJ09B0327-0400
C.8 Port 8 Block Diagrams
D
R
QD
P80DR
C
Reset
R
Q
P80DDR
C
Reset
HI12E
Hardware standby
EXPE
Mode 2, 3
WP8D
WP8
HIF
HA0 input
P80
RP8
WP8D: Write to P8DDR
WP8: Write to port 8
RP8: Read port 8
Internal data bus
Legend:
Figure C.23 Port 8 Block Diagram (Pin P80)