Datasheet

Appendix C I/O Port Block Diagrams
Rev. 4.00 Jun 06, 2006 page 988 of 1004
REJ09B0301-0400
D
R
QD
P8nDR
C
Reset
HIF
HIFSD input
(P82 only)
R
Q
P8nDDR
C
Reset
WP8D
WP8
P8n
RP8
Mode 2, 3
EXPE
HI12E
Legend:
WP8D: Write to P8DDR
WP8: Write to port 8
RP8: Read port 8
Note: n = 2, 3
Internal data bus
Hardware
standby
Figure C.25 Port 8 Block Diagram (Pins P82, P83)