HD6433308 Datasheet, PDF (124/349 Pages) Hitachi Semiconductor – Hitachi Single-Chip MicroComputer

DPME Mode 3
Mode 3
P8 1
Mode 1 or 2
Reset
R
Q
D
P81 DDR
C
WP8D
Reset
R
Q
D
P81 DR
C
WP8
IOS output
RP8
WP8D: Write Port 8 DDR
WP8: Write Port 8
RP8: Read Port 8
Dual-port RAM
module
Register select
input
Figure 5-15. Port 8 Schematic Diagram (Pin P81)
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