HD6433308 Datasheet, PDF (134/349 Pages) Hitachi Semiconductor – Hitachi Single-Chip MicroComputer

DPME Mode 3
Hardware standby
Mode 3
P9 n
Mode 1 or 2
Mode 1 or 2
Reset
R
Q
D
P9n DDR
C
WP9D
Reset
R
Q
D
P9n DR
C
WP9
RD output
WR output
RP9
WP9D: Write Port 9 DDR
WP9: Write Port 9
RP9: Read Port 9
n: 3, 4
Dual-port RAM
module
CS input
OE input
Figure 5-22. Port 9 Schematic Diagram (Pins P93 and P94)
119