Datasheet

Appendix C I/O Port Block Diagrams
Rev.6.00 Sep. 27, 2007 Page 1245 of 1268
REJ09B0220-0600
C.10 Port D
R
PDnPCR
C
QD
Reset
WPCRD
Reset
WDRD
R
C
QD
PD
n
RDRD
RPORD
External address
upper write
External address
lower write
PDnDR
WDDRD
C
QD
PDnDDR
RPCRD
Mode 7
Modes 4 to 6
External
address write
Modes
4 to 6
Mode 7
Reset
R
External address
upper read
External address
lower read
Legend:
WDDRD: Write to PDDDR
WDRD: Write to PDDR
WPCRD: Write to PDPCR
RDRD: Read PDDR
RPORD: Read port D
RPCRD: Read PDPCR
Note: n = 0 to 7
Internal upper data bus
Internal lower data bus
Figure C.10 Port D Block Diagram (Pins PD
0
to PD
7
)