HD6433308 Datasheet, PDF (126/349 Pages) Hitachi Semiconductor – Hitachi Single-Chip MicroComputer

Reset
R
Q
D
P84 DDR
C
WP8D
Reset
R
P8 4
Q
D
P84 DR
C
SCI module
WP8
Synchronous serial
transmit enable
Synchronous serial
transmit data
RP8
WP8D: Write Port 8 DDR
WP8: Write Port 8
RP8: Read Port 8
IRQ3 input
IRQ enable
register
IRQ3 enable
Figure 5-17. Port 8 Schematic Diagram (Pin P84)
111