HD6433308 Datasheet, PDF (102/349 Pages) Hitachi Semiconductor – Hitachi Single-Chip MicroComputer

P3 n
Mode 3
DPME Mode 3
CS
OE
External
address
write
Mode 1 or 2
Reset
R
Q
D
P3nDDR
C
WP3D
Reset
R
Q
D
P3nDR
C
WP3
CSS
W^WEE
RP3
External address read
WP3D: Write Port 3 DDR
WWPP33D: : WWrirtietePPoortr3t _3DDR
WRPP33:: WRreitaedPPorotr3t ₃
RnP=30: Rtoe3ad Port 3
n = 0 to 7
Figure 5-3. Port 3 Schematic Diagram
Figure 5-3
87