HD6433308 Datasheet, PDF (125/349 Pages) Hitachi Semiconductor – Hitachi Single-Chip MicroComputer

DPME Mode 3
Reset
R
Q
D
P8n DDR
C
WP8D
Reset
R
P8 n
Q
D
P8n DR
C
WP8
RP8
WP8D: Write Port 8 DDR
WP8: Write Port 8
RP8: Read Port 8
n = 2, 3
Dual-port RAM
module
Register select
input
Figure 5-16. Port 8 Schematic Diagram (Pins P82 and P83)
110