Datasheet

Rev.6.00 Oct.28.2004 page 994 of 1016
REJ09B0138-0600H
C.10 Port D Block Diagram
R
PDnPCR
C
QD
Reset
WPCRD
Reset
WDRD
R
C
QD
PD
n
RDRD
RPORD
Internal upper data bus
Internal lower data bus
External address
upper write
WDDRD:
WDRD:
WPCRD:
RDRD:
RPORD:
RPCRD:
n = 0 to 7
Write to PDDDR
Write to PDDR
Write to PDPCR
Read PDDR
Read port D
Read PDPCR
PDnDR
WDDRD
C
QD
PDnDDR
RPCRD
Mode 7
Mode 4/5/6
Mode 7
Mode 4/5/6
External address
write
Reset
R
External address upper read
External address lower read
External address
lower write
Legend:
Figure C-10 Port D Block Diagram (Pin PD
0
to PD
7
)