HD6433308 Datasheet, PDF (128/349 Pages) Hitachi Semiconductor – Hitachi Single-Chip MicroComputer

Reset
R
Q
D
P86 DDR
C
SCI module
WP8D
Reset
Synchronous
serial clock
input enable
P8 6
Q ^RD
P86 DR
C
Synchronous
WP8
serial clock
output enable
Synchronous
serial clock
output
RP8
WP8D: Write Port 8 DDR
WP8: Write Port 8
RP8: Read Port 8
Figure 5-19. Port 8 Schematic Diagram (Pin P86)
Synchronous
serial clock
input
IRQ5 input
IRQ enable
register
IRQ5 enable
113